I pump the bulb til hard, choke and turn key. Jan 3, 2011 · Re: Starting Problem with 40 hp 4 stroke EFI I would take a fuel sample out of the Vapor Seperator Tank. Outboard has a 703 forward control, with a throttle advance but no choke. Includes an overview of the 4, 5 and 6 HP T Jan 2, 2012 · I have a 90HP Yamaha 2-Stroke on the back of my HPX-V 17. Also 4 strokes often like a little throttle to start, try 1/8 to 1/4. (No my motor dont need no *****!) 2- Crank for 3 to 5 seconds twice. The motor turns but doesn't seem to fire for quite a while. it has a solinoid tyat acuates anytime the key is in start position. This is usually more effective than randomly fixing/replacing parts until the problem goes away. ) Press the key in a few times. May 15, 2011 · I had a hard starting 9. like when it hasn't been started for a week or two. When it finally starts it feels like it's not hitting on all cylinders. is this normal for a 4 stroke yamaha? Feb 10, 2002 · Re: Mercury 9. I try to start the engine but it does not start on the first try. That is just a fact of life. 9 232CC manual start engine. Good luck. May 13, 2017 · My 2 stroke yamaha 50 hp is hard to start when cold and even after starting if I leave it setting 30 minutes I have to raise the cold start lever, very hard to start when cold ! Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. Once it is warm it idols no worries but you have to warm it up by reving for a while. (New motor has new gas, new oil, new plugs) Finally got it to run, did the 10 minute idling for new engine break-in. that motor doesnt like cold starts at a dead idle at ALL. Each in and out motion shoots extra fuel into the engine. Jul 11, 2011 · I have a 90hp mercury 2 stroke which is really hard to start after sitting for a few days, once started it will start every time after that unless you let it sit for 30 mins then it is hard to start again and you get a big puff of smoke. If you are restoring an old boat or considering the purchase of an older used boat, read the article below for more information on how to start a Carbureted 2-Stroke Engine. . Sep 10, 2008 · Re: 2002 Mercury 125 Hard to Start There are lots of possibilities and lots of possible guesses as to the cause of hard start. When the engine is cold the needle valve is "open" this ollows for a prime circuit to be open. I was with him. Ever since I got this boat and motor (had 50 hours at the time) if I let it sit more than a couple days, it always takes 2 starts to fire up. After 10 to 20 tries we get a sputter but dies straight away. It cranks and cranks with no attempt to start, then tries a few times and finally when I am ready to quit, it starts. Keep in mind that some 9. my problem is it is very hard to start when cold. Any ideas before I take her back to the Jul 25, 2013 · Ask the experts on our Yamaha Outboard Forum for repair issues, diagnosing problems, links to diagrams, suggestions on buying parts and more. Fast idle lever doesn't help. Battery is new( AutoCraft M24-3 800 CCA) Bulb is firm, engine will crank for 5-10 seconds and battery will start to give out. Thought it would get better after break in, but almost 3 years later, still the same. i can't hear any noise when Jun 18, 2006 · I have a new 50 hp 2 stroke on my flats boat. this prime circuit has a fuel supply and an air supply. It is still hard to get started, but once it does after cranking for 2 to 3 min and priming the you know what out of it it will start to sputter and then kick on. Your trouble is quite common and is most commonly caused by hidden corrosion in the connections of the battery cables. Motor immediately Aug 20, 2009 · Re: Boat Hard To Start the First Time There should be a throttle neutral button or lever on your throttle assembly that allows you to move it without engaging the gears. Apr 9, 2012 · My 1996 Johnson 88 hp is the same block as yours. Go to this link and download the appropriate owner's manual for your outboard (you'll need its serial number). What Type of Outboard Do You Have? The key to this portion is understanding what type of engine you have. Outboard Troubleshooting Tip 1: Check the Obvious. The Marine Mechanic I'm going to connect you with knows all Oct 16, 2016 · Motor is hard to start cold. Hard to start cold. #1 my brother has a lil honda that seems to be hard to start when cold. Get a couple of weak pops, then nothing, after about 20 or so pulls, it finally catches What I have done: 1. The motor has always seemed to be "cold natured" and hard to start when I first get to the lake. Jul 27, 2015 · The first time it ran it went great, was a little hard to start cold and thought it may have been me not priming enough, after the first start it started great, just a bump and it was off. To start turn to on position, push-hold to choke and turn to start all at the same time, hold till engine starts but no longer than 20 seconds, as soon as the engine starts release key. I going to start making these for retrofit on the 9. However it is getting more difficult to start when cold. Before attempting to start I twisted throttle 3-5 times, twisted back to idle, pulled string many times and nothing. <br /><br />It all that fails you can try what I did to mine. I would suggest that you do a few basic/systematic troubleshooting tests to help narrow down or eliminate some causes. Apr 16, 2006 · Re: Honda BF8 hard starting when cold. Visually inspect tell-tale for solid stream indicating proper cooling. The problem that I am having is that she is really hard to start. The Solenoid Choker function is working Apr 18, 2013 · Re: very hard to start Honda 9. Mar 24, 2009 · I have a 1998 9. The problem just started and has happened twice. First try it starts and runs for about 2 seconds, then dies. When I turn the key on I can hear the fuel pump cycle and stop and the remote beeps once. have to push throttle wide open a few times and then start. Feb 19, 2004 · Re: Yamaha 50 hp Four Stroke, difficult Starting " Cold "hello<br /> without actually looking at your engine I willgo out on a limb. may have to do that 2 or 3 times to get it to stay running. i also have problems getting it to run from cold starts. Mine didn't , and putting one in made all the difference. Aug 12, 2021 · Here's a good 1, help ! Went to Change gas tanks, motor IMMEDIATLY won't start, unless in neutral with throttle advanced. I have primed the bulb firm, used the choke and have to milk the throttle a little. This article seeks to provide an explanation for the difficulties experienced by boaters while starting their 2-stroke outboard motor. The second try it may start but then stalls. 9yamaha 4stroke hard to start I've owned a Yamaha 4 stroke for about 10 years now (purchased new in Spring '91). Apr 8, 2021 · A discussion of outboard motor starting problems, some of the causes and quick solutions, aimed at non-mechanics. Jul 19, 2009 · Re: '01 Yamaha 115 2 stroke starting problem This is my second 115 two stroke and each one has had their own way of cold starting but I find this newer unit with precision blend oil pump to be a more difficult unit to get started cold than my older unit which had no oil mixer. Motor takes about 20 pulls to get it started for the first time in a day. Fuel primer bulb is hard. PLEASE help me as I am getting very frustrated with it! Thanks in advance!!" Apr 15, 2010 · Hey all, I have a 1995 Mercury 15 2 stroke outboard. Jul 22, 2010 · Outboard Motors Forum '06 8 hp 4 stroke hard starting. I bought it on line from a dealer in New York; I live in Indiana. It seems to start better when I give it more gas by turning the throttle past “start”. Nov 22, 2005 · Hi Sully, I have a new 05 90 2 stroke also. Adjusted it so the carb linkage is slightly engaged in start, and the problem was corrected. sounds May 22, 2012 · I have a 1998 25hp 4 stroke BigFoot. Last time out same deal, had to convince her to start. I have changed spark plugs and the fuel filter. Still same thing, so then we checked for spark. Jul 7, 2013 · Re: 1989 Mercury 25 hp hard cold starting According to the owners manual for my 1990 25hp EH model,you rotate the choke knob fully clockwise,pull choke knob out to prime engine,push choke knob in and try to start. 9MSHU four stroke model. Mar 15, 2005 · Re: hard starting 115hp mercury DocF76,<br /><br />The I-6's are known for hard starting when cold. the key says push to choke. Doesn't seem to fire up like it used to. Pushing key switch does nothing. after motor is warmed up no need to push key in to start. Openning the throttle will open the butterflies in the carburetor and not "choke" it as well. Jun 30, 2011 · Re: 97 Yamaha 115hp 2 stroke - help it won't crank Re: 97 Yamaha 115hp 2 stroke - help it won't crank What Bob said. It takes a real whip to get this motor started . Oct 16, 2007 · If you tilted your motor up for cold-start, lower the motor to its normal operating position. cleaned but it did not help. Jun 12, 2013 · Hello everyone. Somethings not right. but it don't help. He brought in for service. When I crank it over it acts like it will start but then dies. We would get at most one spark from each plug, we then went through and checked Feb 8, 2017 · Anyways, I ended up checking compression and got 180 in all 4 holes out of a cold motor. 4. It will turn over but not start on a cold start. Nov 15, 2002 · Pump the fuel bulb until it is hard. Then it will not start until after a cool down period of at least 15 minutes (time can vary). Two Stroke engines burn oil. Make sure the choke plates fit snug against the carb body. Only used Yama Lube Oil. However, since a service about 2 months ago, the motor is a pig to start cold. I have a 1964 Johnson Super Seahorse 40hp I'm trying to put back on the water. use the warm up lever or the free throttle button so at start up its set about 1500-2000 RPM. Nov 22, 2016 · This troubleshooting guide will help you determine why your 9. First I cleaned out the carb and switched out the spark plugs. This year I am noting a surging at Jul 20, 2021 · My Yamaha F15SMHA outboard (manufactured 05/13) has always been difficult to start when cold or when it has not been run for a day or more. 9 Four-Stroke 2003 model and it is hard to start. A primer ball is normally not hard when the motor is running. Having to do this led me to search for a choke button or pull. 9 Mercury Outboard Engine Very Cold StartThis engine has been sitting for over a year outside, my buddy couldn't get it started, but all i had to do was th Sep 20, 2009 · Re: 150 Yamaha VMax Carb hard to start the carbed Vmax is NOT a prime start engine. Pump up the primer ball 5 or 6 times then it takes several attempts to start. and it has an electro thermal plunger that assists with cold start but allows less choke when the ambient temp is higher. This is all after about 8-10 attempts on the starter. of 2012). It acts like it's not getting enough fuel. If the gas is stale and smells varnished you might want to drain it and fill the fuel filter with qickkleen or ringfree and prime the bulb with a fresh portable tank of gas and let it sit over night with fresh gas in it. (These spark plugs are a B to get to) so I went ahead and put new plugs in. Jun 27, 2021 · In this video I demonstrate the cold start procedure I go through when starting my 1999 Johnson 200 Hp outboard on my Stratos 295 Pro Elite bass boat. Does any one have any experience with this motor ? Apr 2, 2012 · Re: Hard starting mercury outboard hot or cold assuming ur compression readings are correct they are too low for a 2 stroke motor the 10 psi variance is getting near enough to worry about but currently the difference isnt your concern low compression will make a motor hard to start as for the idling concern u have a fuel supply/delivery problem. Most outboards won't start unless the shifter is in neutral. in fact I am amazed you get it started at all. Hope this helps. The primer seems to be working If your outboard motor doesn’t start on the first or second pull, then it needs a little tweaking. I follow the user manual to the letter with the starting procedures, but to no avail (unless the boat is out of the water connected up to the ear muffs). 3. The engine starts fine when cold (every time) with just a bit of choke. When its hot it starts immediately. It needs lots of gas. Once warmed up it's one click to start, but when it's cold it takes a good 5 minutes to finally ignite. Mar 22, 2008 · "I have a 2007 Yamaha 20 hp 4-"I have a 2007 Yamaha 20 hp 4-stroke manual start. Sep 29, 2008 · Re: 50 hp Yamaha 2-stroke hard to start I have a 2-stroke 25hp Yamaha, same hard starting [15-20 pulls when cold, then started easily for the rest of the day]. I have pushed the knob in and out a few extra times if the engine was stubborn to start. 9 but not anymore, I got tired of the electric choke working crappy. more. Is it a 2-Stroke or a 4-Stroke? There are major differences between the two and huge deciding factors that impact why an outboard engine smokes. Dec 9, 2017 · We are having issues getting the outboard started from cold. (Sept. I pump the primer bulb witch is usually hard, pull the manual choke out and set the fast idle lever for hi idle. To start with, a 2-stroke engine requires a balanced mixture of fuel and air for ignition to take place. Jul 26, 2011 · It has been hard starting when cold since new. <br />As mentioned before, once it does fire up and clears itself out it is generally fine so it does seem to suggest some flooding/choking problem. Jul 1, 2008 · Just purchased a new to me 2006 20HP 4 stroke Honda elec start - I am told it has about 15 hrs on it. It's a two stroke. 9 four stroke 9. Really hate grinding the started. Once started the motor is a dream and has no problems running or starting. As soon as you’re done with your outboard for the year, winterizing your 4-stroke outboard motor is crucial to prevent any corrosion from happening. Oct 15, 2012 · I have a 2001 25hp Honda 4-stroke outboard, it has always performed flawlessly, this past week when I start the engine it will not idle and will shut down quickly after initial start, however I can ru … While newer outboards start right up, older outboards can require a little more know-how to start up quickly and correctly. Apr 28, 2004 · Re: 115 YAMAHA 2 STROKE (HARD STARTING) I had that problem with my 1988 115 Yammie. I squeeze the fuel bulb between every couple of pulls to make sure there is fuel in the system. Whatever the case may be, it’s important to establish the cause of a hard starting engine so as to restore the motor back to working order. The motor runs perfectly at idle and all RPM ranges while on plane. 2014 Merc 2. While I had the ignition plate off and spark plugs out, I went ahead and took the valve cover off and adjusted all of the valves. There are lots of skilled people on this site\u000B\u000BI have a 1997 Yamaha 4 stroke that runs like a champ. 8 4-stroke Tohatsu that is extremely hard to start. 25-30 pulls on the first start of any given day, then it runs and starts fine for the day. The owner's manual will tell you the starting procedure for your outboard in the Operation section. not being crazy just don`t understand . Identifying the Problem: Fuel System Issues: Check for any leaks in the fuel system. Use the exact starting procedure as described in the manual 2. I used to always have a difficult time starting this motor until I figured out what it needed. After getting started, it runs fine and starts again immediately. (the motor was cold and had not been started in a week) and away we went. It runs great out on the water when going. Is there a technique to starting this motor other than just reving the hell out of it until it warms up. Took about another season to get this figured out. If I spray a little gas directly into the carburetor it will start Feb 24, 2010 · Hi All. 6. The tank is built into the boat and never had a problem with it Jul 10, 2017 · My 40hp yamaha outboard is difficult to start initially, then starts quickly thereafter. Problem was that in the start position, the throttle arm did not engage the linkage on the carbs. May 19, 2019 · 115 HP 4 Stroke EFI Model F115TLRB Serial Number 68VL101495 After the boat is cruising on plane and brought abruptly to idle, the motor will die. Tried May 1, 2014 · Hello I have a 115 Mercury 4 stroke which has been hard starting since new. Mar 23, 2023 · My 1998 Yamaha 25 hp 2 cylinder 2 stroke outboard is hard to start after sitting for a few days. replaced both fuel pumps, hi & low pressure. Try these steps: 1) pump the ball till hard 2) put gear in forward and give it throttle (gas) a few times 3) put it back in neutral 4) pump the ball again 5) pull the choke Oct 24, 2009 · I have a 2006 year model mercury 90 hp 2 stroke, it runs great once started. Has anyone had this problem or have any ideas how to fix this. 3- 3rd crank starts motor almost instantly. be sure the butterflys are closed compleatley . they would push and releas the chock several times and then try to start the motor insted of holding it in while turning the key. Your Prime start valve could be defective but most likely your carb is still Nov 19, 2000 · Re: 9. If you do have one, start checking for leaks start at the tank and work back to the motor. when he bought the boat its on Jul 4, 2023 · Problem #1: The Engine Won’t Start. I recently couldnt get it to start after it setup for approx i month. Jun 25, 2012 · I was told it normally takes 5 to 10 pulls to start it because the EPA required closer clearances on the carburetor jets. Tilt the engine down so any gas that gets past the floats will drain into the carbs. I generally always use the internal tank vs and external one and that has contributed to my issue. Sometimes when it is cold it will start if I give it a hard enough pull, Yamaha 15F 2-stroke outboard hard to start - Cruisers & Sailing Forums Jun 23, 2015 · I have a Mercury two stroke outboard 3 cylinder, I'm only guessing but probably 1990 ish. Nov 7, 2011 · Re: Yamaha F25 Four Stroke starting problems I'm pretty sure that carb has prime start for its enriching choke system. It used to cold start well. On the latest trip today it took about two minutes to Apr 28, 2011 · First of all, I know to NEVER use starter fluid in an outboard motor. 5 Mercury 4 stroke outboard that is very hard starting , once its running it will run the tank dry But it is so hard to pull start I have been starting lawn equipment and outboards for 40 years and this motor is very hard to start . I assume you are talking about cold starting? First of all the little plastic lever under the cowl needs to be in the right position. 5 4 stroke starting problems. If I spray some starting fluid (WD-40 etc) into the cylinders and continue to spray directly into the Carb, it will run. The simplest things that would prevent an engine from starting can be easily overlooked, but start with the obvious first. It is very hard to start when cold, but runs fine and restarts easily when warm. Checked fuel lines, Mechanic reccomended replacing fuel pump. this motor has no pull choke so it is either a electic or maybe some sort of vacume, when i hold a piece of paper over carb it will start right up then slowly slide paper off. It will either simply start (10% of the time), or will just turn over and over without firing. 9 4-stroke Honda outboard and have had the same starting problem since day-1. Feb 19, 2008 · Re: Difficult cold starts without starting fluid Never never never use starting fluid on a 2 stroke outboard. Oct 8, 2018 · I have a 2006 Mecury 115 4 Stroke EFI. This engine works great once it starts but it takes too ma Nov 4, 2022 · The solution listed here should help you better manage your Honda 4 Stroke Outboard problems. Problem was in a jet in carburator became plugged. Have to give it a couple pumps of the throttle in neutral before you crank, still takes a couple tries, still runs rough for a bit until warm. 9 HP 4-stroke that is having starting issues, it's turning over but not firing. But it should not collapse or flatten in any way. . 9HP Mercury boat motor won’t start. At the ramp, it's almost always hard to start, but on Saturday it was particularly troublesome. Problem: Engine Idles Rough Apr 25, 2023 · Mercury Marine is a leading manufacturer of high-performance outboard motors, including the popular Mercury 20 HP 4-stroke model. Idles well when warmed up, and is trouble free except it is very hard to start. Oct 22, 2013 · For what it's worth, I just bought a new (2106 model) 9. I find this procedure to work best: 1. It seems like the battery is not holding a good charge for very long. Apr 3, 2013 · I have a 2000 8hp honda kicker. Jan 25, 2017 · Sometimes an outboard motor is hard to start but runs fine when started, or is hard starting when the engine is hot or cold, or it’s hard to start after its been sitting for awhile. I have a 2003 carburated 150 hp Mercury engine that is hard starting when it is cold. and starts great the rest of the day. Dec 27, 2013 · I have a 2009 50hp two stroke yamaha with around 20 hours on it. 1- Squeeze priming bulb 5 to 10 times, it never gets hard but it does build some back pressure. Does yours have an anti-siphon valve between the fuel tank connection and the main gas line. I've only used non-E fuel. They can answer questions for any Suzuki outboard model or horsepower. But once she is warmed up she will start and run all day. I bought it in December 2006 to put on my Tracker Pro Team 175. The plugs are new. 9 4stroke Hard starting,poor running My 2000 mercury 9. Despite its reputation for quality and reliability, like any mechanical device, the Mercury 20 HP 4-stroke can experience problems from time to time. I?ve cleaned the carbs several times thoroughly and adjusted the pilot screws according to the instruction book. Anyway, it's a great engine! However, I did have some problems starting after maybe using the motor 4 seasons. I have a 2014 9. I'am a machinest and machined up a manual choke and fitted it to the air horn. First time took over 30 minutes of pulling, checking fuel, oil, plugs, kill switch, & repulling. Sep 5, 2005 · I have a 1976 Mercury Marine 4 cyl outboard (4 cycle) engine thatI just rebuilt and had to replace all bearing and 2 of 4 pistons. Jul 15, 2020 · Hello everyone, first time posting here. It will take quite a few cranks before it will fire. One of the most common problems with the Yamaha 25hp 4 Stroke Outboard engine is difficulty in starting or a completely non-starting engine. Just that the first start out is difficult. It ALWAYS starts and stays running after that second try, so I do not think it is a problem with the Nov 21, 2019 · 25 hp yamaha 4 stroke 2002 hard to start when cold starts fine rest of the day . Pump the primer bulb firmly. I follow my usual procedure - high rev arm halfway, bulb primed and firm and good battery, key turn. Tried full choke, about half throttle, not much difference that I could tell. Jun 17, 2022 · Hey all, 2017 F90LB here. 9 4 stroke hard cold start allright ive narrowed it down to a choke issue. The second time out it started harder cold, barely started and I had to give it 1/4 throttle to get it going while cranking, then it still started hard the It is a 1996 F9. If Mercury or the dealer told me that the new four stroke was hard starting, I would have bought an electric start outboard. 5. ) Don't touch the throttle. It would crank but wouldn't fire. I am having big problems with starting my Yamaha V4 115 HP 2 stroke engine when cold. Press and hold and move your handle to 3/4 and back a couple of times. Dec 4, 2011 · Hi Guys, For the past two weekends I have taken my boat (90 hp 2 stroke 2001) to the lake and it has been very difficult to cold start. Sometimes she will start before the battery dies. From then on it starts with no hesitation at the turn of the key. Hard start when cold 02-26-2016, 01:05 PM Is there a cold start injector or does ecm Apr 27, 2012 · Re: mercury tohatsu 30hp two stroke hard to start when cold this may sound crazy to some but have ben at the ramp watching boaters crank their motor . 9 HP owners will consider a non-starting issue to include the following: Problem: Starts Hard When Cold; Problem: Engine Turns Over but Will Not Start; Problem: Engine Surges or Runs Uneven. Sep 8, 2002 · I have a Mercury 9. Understand it has an automatic choke (I miss the toggle switch choke control on my old one). I have had a number of 2 cycle small outboard engines and they all started with 1 or 2 pulls. I do have a separate 10 micron water separator filter and I also have run a high end ethanol treatment as well as a fuel stabilizer. 9 4 stroke starts on the first pull but takes 4-6 minutes to warm up before you can kick in to gear so it does not stall. This is how mine works. As the valve seats wear, it will lose compression leading to hard starting if the valves get too tight. Give it a touch of starting fluid in the air inlet and it will fire right up - though it will be rough for 20 seconds or so. Let it rest a couple of days and it'll take 30 pulls to start again. Darren Jul 18, 2024 · Do You Have to Winterize a 4-Stroke Outboard Motor? The end of boating season means it’s time to winterize your outboard motor in preparation for the next boating season. As the motor warms up, slowly begin reducing the fast-idle until the motor is able to run in normal idle on its own. Put some pre mix in a squirt bottle for use if needed. If the primer ball is continually pumped so as to keep the motor running I would inspect/replace the fuel pump. What should I check on it or do to it. Jun 24, 2019 · I have a 3. Similar postings appear in the archives for other engines, but I suspect that the wax bulb enrichment circuit in this 90 hp two stroke is a whole different animal than the four stoke engines. Dec 4, 2004 · Re: auto choke-cold start prob 90 hp yamaha Thanks for the reply Fred. I recently had the carb. All the linkages to the carb are functional, and I'm making sure the line is primed, choke on, ect. I find that for a cold start (not very cold here in Houston!) the following works great for me. When warm the engine restarts fine up-to about half an hour or so of running time but after that it get more difficult to start unless I use the fast idle lever. Motor Not starting Due To Faulty Battery; Sometimes the motor not starting can be a sign of faulty batteries in your unit. Jun 17, 2015 · Big Jon Honda 5hp Outboard Shop Outboards. New plug each year, no difference. One of the oldest arguments centers around the 2-stroke outboard motor and its notorious starting troubles. I tested and what a difference that made with the first turn of the key she fired right off. On the third attempt it usually starts and runs fine. try that and hopefully she'll crank up good for Oct 19, 2012 · Outboard Motors Forum 2004 Yamaha F150 4 stroke problems, hard start after warm, wondering idle, top end max 4800 rpm starts great when cold, have to crack Dec 19, 2009 · Re: Yamaha 25 HP 2-stroke hard starting The starting procedure in the owners manual is: * put throttle to start * pull out choke fully * Pull starter cord repeatedly till it starts * If no start in 4 or 5 tries, increase throttle * turn off choke when it starts Yes, I am following the procedure to the letter. 9's that have electric choke. I assume you are pumping the ball tight before you start? Aug 29, 2010 · Re: 2004 Johnson 50 HP, 2-stroke, Hard to start Just to make sure you are using the key correctly. So if any one has a solution please reply. I'm not sure I understand your issue, but I do know these motors are very hard to cold start unless you follow EXACTLY the right procedure. prime start is just similar to the choke on many other motors. Also tried twisting throttle to deliver more fuel prior to pulling string as mentioned in owners manual when cold starting, and nothing. I have to use starting fluid to get her to run in the morning and thats hit and miss. If it's hard to start, what process are you using to attempt to start the outboard. ) Turn the key to the "On" position. Aug 31, 2009 · Re: Yamaha 90: Hard to start pushing the key in on cold start actuates the prime start enrichening device on the middle carb, allowing for much easier starts when motor is cold. Sep 13, 2018 · I have a 15 hp Yamaha 4 stroke outboard motor and it doesn’t have a choke for cold starting. After it starts I can shut it off and start it all day. This p Apr 3, 2023 · I have an older, very worn Yamaha 15F that has always been hard to start when cold (when warm it normally starts first pull). the F50 and T 50 motors I see have a dual cold start function. Dies when put in neutral to shift into gear. Didn't you say in your previous post that you were able to start the engine and it runs well at Jun 11, 2012 · I have a brand new 9. EDIT:On some controls you pull out on the lever to achieve neutral throttle. For the last 3 years it has been tough to start after a period of non use. Aug 16, 2021 · I have always had a really hard time starting this Mercury 4 stroke 6HP outboard. 9 Check the valve clearances. Any pro's got some knowledge to share to a young lad? Thanks, JTB Jan 17, 2018 · I've tried this as well. Aug 27, 2015 · 9. hard to start 2001 Aug 14, 2010 · Re: Yamaha 90HP 4 Stroke - Intermittent Starting Problem Re: Yamaha 90HP 4 Stroke - Intermittent Starting Problem Thanks for the reply and advice. Sep 27, 2013 · I have a 2000 model Honda 90 hp outboard motor after a fresh tune up, the engine is hard to start when cold! after the inital start up it runs fine and starts great for the rest of the day! Any idea a … read more May 19, 2003 · Re: Mercury 50hp starting problems I have tried all the suggested options. Dec 16, 2010 · I have a Honda 2004 40hp 4 stroke outboard this is hard to start cold. Feb 5, 2007 · Re: 90 HP 4 Stroke - intermittent start problems i have a 2000 mercury outboard, efi, 200hp. Sep 10, 2010 · Re: 9. ) Now crank! I've found that, on initial start-up, the carburetors are sensitive to trim. When it comes to this, people should note that there are several things that can be checked. It starts hard the first time each outing when the outside temp is around 45F or lower. ho vc ts pc cw vc qp gb in na