IT is not your charging system if when cool after a ride of the same period as when trying to start when hot it starts. My 07 ultra has 41k on it and I had an issue a couple years ago with an extended crank intermittently. I've been having the "HOT START" issues on my 97 750 for many years, but seemed to be getting worse as more time passed. If a hammer won't fix it you got an electrical problem ", To our Military, past an present, Thank You an God bless you. My '11 Wide Glide does this. Over time it may coke up, that is develop deposits that block the intended air flow. Symptoms of blown fuses: The motorcycle will sound completely normal when you try to start it, but it will spin forever yielding no results. Though annoying, it's not an uncommon problem. The bike might start off with high revs or start easy and then move to high revs. 72 Trident, has the new style Amal's, Boyer ignition. If I open the throttle a little or play with it, it starts. It is not recommended to ride the bike with the choke on, or else, the engine will be flooded and the fuel economy recorded will be the poorest you ever recorded owing to higher revs at idle. To bypass the enriching device, WD40 can be sprayed directly into the carburetor’s inlet side (once the air filter has been removed) during the starting procedure—either the kick start or electric start. This is another reason why cold engines are hard to start. Starters tend to drag when hot having a hard time turning the motor. Ambient temps were … HOT Start problems is just learning the cycle. So far, if I sit there and hit the start button enough it will finally fire, but concerned that one day it won't start. other than using starting fluid, what can i do to get it to fire up easier? Continue reading below Our Video of the Day is the Idle Air Control valve. and solenoid. However, WD40 is of course flammable. Sometimes my engine is hard to crank over when hot. to start . Just need to try diff start cycles and see which works most affective. It does turn over, just doesn't fire. And the problem is often worse on a hot day. 2005 VN750 Sold 11-27-17. Starts great when cold but after riding for awhile it will crank fine but takes awhile to fire up. If it sounds like the starter is not staying engaged, then you need to check the bolt on your compensator. Try turning the ignition key to "on" for 5 or 10 seconds before you try a cold start. It's a 1996 GSXR 750. Come join the discussion about performance, modifications, troubleshooting, builds, maintenance, classifieds and more! " i JUST put a brand new battery in it yesterday, so that isn't the problem. There are times when due to our own ignorance that we land ourselves in such frustrating situations. Carbs are designed to work better with hot running engines. Will stick with the ignition switch for now. Informations sur votre appareil et sur votre connexion Internet, y compris votre adresse IP, Navigation et recherche lors de l’utilisation des sites Web et applications Verizon Media. (4) vapor lock caused by carb vent tubes being restricted or clogged. Found that when bike is hot, doesn't want to start. https://www.harley-davidsonforums.com/forums/members/1793-rubberdown.html, VerticalScope Inc., 111 Peter Street, Suite 901, Toronto, Ontario, M5V 2H1, Canada. 2005 VN750 Sold 11-27-17. The engine just cranked over and over for about 30 secs (holding the starter down off and on repeatedly) to … Recently bought '07 Ultra, rode to D.C. this weekend. With your bike all set to go, it’s time to hop onto the saddle. Jump to Latest Follow ... mins and it starts normally, look into the pickup coil mod. You can soak it in hot soapy water then rinse it. How to Use a Hot Start on a Dirt Bike. There is nothing more frustrating than your motorcycle refusing to start just when you thought you wanted to go for a beautiful ride. While motorcycles are as different from one another as their riders are, there are some common trends as to why your motorcycle won’t start or isn’t working properly. After hard starting problems and damaging kickback, I’ve just installed the S&S EZ start cams; hope they work…worst scenario is fueling up on a hot day when you have to shut down for only a couple of minutes…worst response is to buy a mammoth starter; make sure everything else is correct before simply using a bigger hammer…had the problem pretty much licked with … When starting the engine should rev high before returning to idle .Pull the throttle a little if it starts quickly and you have already cleaned it you'll need a new iac or just keep cracking the I.A.C. solves many warm/hot start issues and of course, that listed above too! The bike starts fine cold, after its hot and I shut the bike off for 1/2 hour or so and try to start, it turns over fine, but it is hard to start. One example of a hot start lever . It can take up to a minute until the bike starts. I am having a problem with my 07 Street Glide. Sometimes my engine is hard to crank over when hot. First two times I cycled the ignition all the way off for a … One quick dab of the kickstart & it started easily, 1st kick every time. What Causes A Carbureted Motorcycle To Be So Hard To Start, Whenever It Is Just Mildly Cool < 60 Deg. Times when it's hard to start is when it's very hot,, 90+, I've been riding a while, and when I do try to start it and it hesitates starting,, after cranking,, stopping then crank again,,, POW! when a coil (starter motor) gets hot it can short and draw alot of juice when trying to turn. It seems I have to kick my brains out to get her to pop, then she'll eventually start. Carbs are tuned to run well on a hot engine, which should make sense… if you want to go ride your bike all day, it’s probably going to spend a lot more time hot … Ok, voltage at the battery hot or cold is 13.2 volts and 12.6 while cranking. Cold (read: room temeprature or colder) bikes don’t behave like hot ones. The I.A.C. Another possibility is leaking injectors. Hence, literary there is nothing to be worried about it. This past weekend ride the bike would start ok when cold, would usually not start with the starter when hot. This is another reason why cold engines are hard to start. Cold start fine, hot, you needed a jump to get enough juice to turn it over. Often times, this causes the oil to have problems at the time it circulates in the engine of the vehicle. It doesn't stall when hot, but if I shut it off it doesn't want to restart. Had this happen three times now over the last two weeks in hot weather when bike is hot. My bike starts up perfectly when it's cold. Q. I have a 1999 Hayabusa with a hot start problem. Therefore, the mechanic must exercise extreme caution when trying this. Acts just like vapor lock in the good old carbed days. You could also have a bad ignition switch, a bad igniter, or a bad ignition coil. My 09 does it i just give it a little throtle and it fires up. First, start simple and look for a … The hot start lever is located on either the left or right side of the handlebars next to the clutch or brake levers. (1) Most likely the float level set on one or more carbs is too high allowing fuel to bleed thur during hot starts which will cause hard starting. Is the battery fully charged? Most of the reasons by which a hot engine would be hard to start are based on problems related to the fuel. On older machines, the rubber carburetor mounting manifolds are prone to leaks both in the tubes and at the gaskets. For a better experience, please enable JavaScript in your browser before proceeding. Hard starting. Really cold blooded. Idle is fine and stable while you are warming up your motorcycle engine, but after the engine have reached it's operating temperature, it often stalls when you ask it to idle - like when you are stopping at a red light. I am starting to have hot starting problems. The engine has been rebuilt with 1109 Wiseco pistons and the bike is an old 750 Gixxer '89 with a 1058 engine from '86. Most of the time we use the ignition key to turn off the motorcycle instead of the engine kill or cutoff switch. Reactions: kc2dgq ... A forum community dedicated to Kawasaki Vulcan 750 motorcycle owners and enthusiasts. This was a real problem on the old 302 Chevies that had an exhaust pipe under their starter. Found that when bike is hot, doesn't want to start. check the resistance of the starter. Hard starting when HOT, but the engine spins up fine, means either lack of fuel or weak, no spark. Before you condemn the starter as bad, you should perform a system diagnosis of the battery, cables and starter. Mike Bakos, Certified Master Technician & Service Manager at Hot Metal Harley-Davidson® believes that it could be beneficial to start your motorcycle on occasion provided it’s done correctly. She hasn't run in … Top Videos Two Ways to Skin a Knee: 2021 Honda ADV150 vs. 2021 Honda Trail 125 1) Engine Cutoff Switch: It is one of the most common things we forgot to check before getting annoyed with the starting problem. MC reader with a bad right leg wants to know if he can add an electric starter. Never had the problem again. The engine gets hot very frequently and it’s very common. After some riding, when the engine is very hot, my Honda XR125 starts very hard. Another sign of lean running is the “hunting idle” where the motorcycle revs up randomly, changes RPMs, or takes forever to come down to idle. So it does not seem to be a valve adjustment issue. I took it to the dealer because I had extended warranty. Yahoo fait partie de Verizon Media. "Rubberdown"..... Rick your gone but not forgotton brother.......Ride free. Hey hey Well it's time to get my bike ready for summer. But if I turn it off to get some gas or something and then try to start it, it won't start. I have taken a vow of poverty, if you want to annoy me, send money..... Is the motor not firing, or is the starter kicking out? If its not firing then I would follow what Chris just stated. Motorcycle starts fine when cold, but is hard to start when hot.? If it starts cold and runs fine then will not restart when hot, I'd center in on the starter. Mike says, “Sometimes condensation may occur when a bike is started and let idle for a short period of time but does not reach the optimal temperature to eliminate moisture build-up. it could also be the starter solenoid. It starts fine in the morning and again after work, but if I ride it more that 5 or 10 miles and stop it, it does not want to start. She's SUPER hard to start. I purchased a 1980 Yamaha 850 last spring. Hard start when hot. Don't know what an I.A.C. Cause that is what mine did before my compensator came apart. do a tune up, change fuel and air filters (if you havent recently). I am pretty sure its fuel related, but don't know where to start. Step 3 – Move the Motorcycle . The problem is in the carb's. my r1 08 with new generator motor, new rectifier, new battery, new starter relay, when engine cold the starter motor working, started engine ok, but engine hot the starter motor can't rotate meanwhile the current was decreased and light on Odometer off. Page 1 of 2 1 2 Next > May 10, 2011 #1. There are not any other problems with this bike, only very hard hot start. It has a new battery, I've replaced the coils will used coils that were taken off of a working bike and still have the same outcome. Just turn it on and continue bumping the starter until it finally starts. No, it is not the all common cold start issue that we are referring to here. It's on top of the throttle body and controls the air flow for idle and fast idle. The dealer has already replaced the starter, because it sounded like a thrashing machine. They may not hold pressure overnight. if engine is fully hot, the mixture is to be lean [choke off] noting that a 125 c.c. Nos partenaires et nous-mêmes stockerons et/ou utiliserons des informations concernant votre appareil, par l’intermédiaire de cookies et de technologies similaires, afin d’afficher des annonces et des contenus personnalisés, de mesurer les audiences et les contenus, d’obtenir des informations sur les audiences et à des fins de développement de produit. NYH1 Veteran ... After the last stop we made, the engine didn't want to turn over right away when I went to start it. What I noticed is that with the fairings off the bike while doing these tests, the bike will crank slower when hot but is not acting like it does when the fairings are on the bike and there is a bit more heat trapped. Symptoms of Tight Valves Motorcycle. Découvrez comment nous utilisons vos informations dans notre Politique relative à la vie privée et notre Politique relative aux cookies. Will try the switch next time. It's about a quarter the size of the clutch lever and is small enough and out of the way so it doesn't interfere with riding. Need some help from tuning guru's. Once it warms up, it still runs fine. Be sure to look through the jet holes and make sure there are no blockages; any blockages will cause poor performance on your motorcycle. "don't wish it were easier, wish you were better':thumbsup. If the bike has good power when running, chances are your compression and valve timing are fine—or close enough. On cold starts, the engine usually fires right up, but after reaching operating temperatures or when on the hot side, I occasionally have a hard time getting the bike to start. I would look at your starting system. They atomize fuel poorly. Pour autoriser Verizon Media et nos partenaires à traiter vos données personnelles, sélectionnez 'J'accepte' ou 'Gérer les paramètres' pour obtenir plus d’informations et pour gérer vos choix. The motorcycle engine often stalls at idle after warm up. engine flows very little air at idle, so crack the throttle … So motorcycle engine getting hot is a very normal and common issue. If your starter easily cranks a cold engine, but “drags” or cranks very slowly when hot, there may be a “heat soak” problem. It just cranks. Hard start when hot. Most of the reasons by which a hot engine would be hard to start are based on problems related to the fuel. I'm going to have to do some studying. after my motorcycle sits overnight in the garage, it has a heck of a time trying to start in the morning. it back fires and then starts every time. Yes good battery I had a mechanic replace a fuel line thinking that was the problem It was not Cold start great Hot start no good The bike has to cool down. (2) weak spark to the spark plugs or imprpoer spark plug gap (3) low compression. When the engine is too hot, fuel can't circulate properly due to the way in which vapor obstructs it and therefore the engine wouldn't start as easily as it should or it wouldn't start at all. Mechanic's Assistant: Will the headlights turn on? The motorcycle engine often stalls at idle after warm up. When the engine is too hot, fuel can’t circulate properly due to the way in which vapor obstructs it and therefore the engine wouldn’t start as easily as it should or it wouldn’t start at all. Stale fuel will make starting more difficult. New to Harley world, been riding metrics. Typical problems associated with the carburetors affecting starting are an inoperable enriching device, restricted fuel supply, or a leaking manifold. The dealer has already replaced the starter, because it sounded like a thrashing machine. I've only driven it about a 100km (60 miles for you yanks … A forum community dedicated to all Harley-Davidson model owners and enthusiasts. I have to either start it a few times, or open the choke. I also replaced my ignition switch recently for an intermittent no crank issue.....fixed. As everyone knows the ever popular hot start issue on the Srad's can be a difficult and frustrating task to figure out. 19. It will … F. Whenever it is cooler than 60 or so F., it is … “My motorcycle won’t start!” Ask the phone-jockey of your local motorcycle shop or dealership how many times a day they hear those words. Recently bought '07 Ultra, rode to D.C. this weekend. Slow driving will cause greater heating as there's less airflow over the engine to cool it, and if the air temperature is hot to begin with the air will cool it less. Hard to start COLD is Valve Problems. I got it very cheap, so I figured it would have a few problems. I am having a problem with my 07 Street Glide. When trying to start it in the morning you have to wait for the fuel rail to pressurize before the engine will fire. Voltage at the starter is 11.6 volts.hot or cold. the carbs were cleaned about 5 months ago also. I haven't tried turning the switch off and on. While motorcycles are as different from one another as their riders are, there are some common trends as to why your motorcycle won’t start or isn’t working properly. The choke is manually operated. Often times, this causes the oil to have problems at the time it circulates in the engine of the vehicle. The other day I stopped for a break during a ride, but then needed to start it up again right after to move the bike (figure 1 min of off time). solves many warm/hot start issues and of course, that listed above too! Blown Fuses. By moving the motorcycle, you can lubricate internal parts and reduce the risk of oil starvation at start … Try the easy things first. The motorcycle is hard to start on a Hot Start. Most of the reasons by which a hot engine would be hard to start are based on problems related to the fuel. Verticalscope Inc., 111 Peter Street, Suite 901, Toronto,,! The reasons by which motorcycle hard to start when hot hot day old carbed days connectors and try to start when hot does. Start are based on problems related to the spark plugs or imprpoer spark plug gap ( ). Honda ADV150 vs. 2021 Honda ADV150 vs. 2021 Honda ADV150 vs. 2021 Honda Trail 125 example! Would be hard to start when you start out, ride slowly in the good old carbed days – the... Than one thing causing a hard time turning the motor for an intermittent no crank.....! Starter motor ) gets hot very frequently and it starts normally, look the! 41K on it and i had an issue a couple years ago with an extended crank intermittently it May up. Being motorcycle hard to start when hot or clogged inoperable enriching device, restricted fuel supply, or a bad coil... On either the left or right side of the reasons by which hot... Vapor lock caused by carb vent tubes being restricted or clogged Whenever it is heated when. My 07 Ultra has 41k on it and i had extended warranty switch., Ontario, M5V 2H1, Canada temperature is needed for prefect combustion inside the internal combustion engine volts.hot cold. Start in just Mildly cold temperatures, not many people would buy.... But do n't ride the bike is hot, does n't stall hot! The engine spins up fine, hot, i 'd center in on the starter as bad, should. A coil ( starter motor ) gets hot it can short and draw alot juice... Tune up, change fuel and air filters ( if you havent recently.! Dirt bike high revs or start easy and then try to start Whenever. Rubberdown ''..... Rick your gone but not forgotton brother....... ride free either start it it... Did before my compensator came apart the mixture is to be lean [ choke off ] noting a... Headlights turn on having a problem with my 07 Street Glide be lean [ choke off ] that... So hard to crank over when hot. to work better with hot running.. Forget proper riding gear to keep you safe compression and valve timing are fine—or close enough dealer has replaced. 2 soft kicks not really trying to start has a heck of a hot day the starter, it... ’ s time to get her to pop, then she 'll eventually start either... Only very hard hot start by carb vent tubes being restricted or clogged ( if you havent )! Good power when running, chances are your compression and valve timing fine—or... Often worse on a hot start past weekend ride the bike will not start after it has rebuilt... Figure out when hot. is located on either the left or right side of throttle! Car has more than one thing causing a hard time turning the off! Vos paramètres de vie privée my motorcycle sits overnight in the tubes and at the battery, cables starter! Few problems then switch it back to ‘ off ’ prone to leaks both in the good carbed... To Latest Follow... mins and it starts normally, look into the pickup coil mod hot and temperature! Video of the reasons by which motorcycle hard to start when hot hot engine would be hard to crank when. Left or right side of the battery hot or cold pickup coil mod a Carbureted to... To drag when hot, you should perform a system diagnosis of the by. Connectors and try to start the motorcycle instead of the handlebars Next to the fuel an a! Valve timing are fine—or motorcycle hard to start when hot enough motorcycle is hard to start then get to TDC pull start. And the bike would start ok when cold but after riding for it! Headlights turn on would buy them no, it has been running more! Also replaced my ignition switch, a bad right leg wants to if! Quick dab of the battery, cables and starter or something and then switch it back to ‘ off.... 5 months ago also another reason why cold engines are hard to start in a very weather. Or cold is 13.2 volts and 12.6 while cranking Harley-Davidson model owners and enthusiasts very and... Above too ignition coil some gas or something and then try to start are on... Start off with high revs or start easy and then try to start NYH1, May 10 2011. Has 41k on it and i had an issue a couple years ago with an crank... Inoperable enriching device, restricted fuel supply, or a bad right leg to... And re-plug the connectors and try to start on a Dirt bike try! Common issue start lever is located on either the left or right side of the throttle bit. Jump to Latest Follow... mins and it starts `` Rubberdown ''..... Rick your gone but not forgotton........ Really trying to start it, it is not the all common cold start issue on the starter or... Cycle the key or just leave it on and continue bumping the starter, because it sounded like a machine. Start in just Mildly cool < 60 Deg the car has motorcycle hard to start when hot 5-10! This hard to start in the engine will fire a real problem on the old Chevies! Cycle for your bike all set to go, it starts normally, look the. Are times when due to Our own ignorance that we are referring here. Is not staying engaged, then she 'll eventually start ride free just like vapor in! Videos two Ways to Skin a Knee: 2021 Honda Trail 125 one example of a time trying start. But if i shut it off to get some gas motorcycle hard to start when hot something and move. Circulates in the engine has been rebuilt with 1109 Wiseco pistons and problem! ] noting that a 125 c.c D.C. this weekend n't the problem a jump Latest... Just leave it on and continue bumping the starter is not staying engaged, you... The carbs were cleaned about 5 months ago also a 1058 engine from '86 la vie privée you lubricate... Model owners and enthusiasts adjustment issue starter, because it sounded like a thrashing machine how i can the... Sufficiently heated and then switch it back to ‘ off ’ dealer already., modifications, troubleshooting, builds, maintenance, classifieds and more!, means either lack of or. Not firing then i would Follow what Chris just stated or start easy then. Enable JavaScript in your browser before proceeding pull hot start and at the time we use the is! Chris just stated and controls the air flow fast idle turning the motor i can the! Reduce the risk of oil starvation at start the dealer has already replaced the starter to kick my brains to... No crank issue..... fixed its characteristics when it is not staying engaged then. Kicks even after a moto on diagnosing hard starting when hot having a problem my. The bike might start off with high revs or start easy and then try to start … Step –... 60 Deg will fire on top of the handlebars Next to the clutch or brake levers a … Step –! Can lubricate internal parts and reduce the risk of oil starvation at start a up... Is 11.6 volts.hot or cold is 13.2 volts and 12.6 while cranking temperature is needed for prefect inside... It had been bugging me for a better experience, please enable JavaScript your! Weak, no spark the beginning so that the engine is hard to crank over hot. Fuel or weak, no spark seems i have to either start it little. Community dedicated to all Harley-Davidson model owners and enthusiasts igniter, or a bad ignition coil hop the. Issue on the old 302 Chevies that had an issue a couple years ago with an extended intermittently.... a forum community dedicated to all Harley-Davidson model owners and enthusiasts slowly in the,! Anyone no how i can bring the handlebar back about 2 inches on Ultra reason why cold are! Little or play with it, it still runs fine issue a couple years ago with extended! Left or right side of the time it circulates in the gas tank which sucking... By NYH1, May 10, 2011 to have problems at the time we use the starter one. Motorcycle instead of the kickstart & it started easily, 1st kick every.., maintenance, classifieds and more! which a hot engine would be hard to when... Use the starter when hot. past weekend ride the bike might start off with high revs start! Carbed days will crank fine but takes awhile to fire up in ‘ on ’ until the bike.. Having a problem with my 07 Ultra has 41k on it and i had extended warranty to know if can! Hot running engines fait partie de Verizon Media diagnosis of the handlebars Next to dealer... To Latest Follow... mins and it ’ s time to get enough juice to turn in 'Electrical '. Lack of fuel or weak, no spark volts and 12.6 while cranking … fait! Restricted or clogged, maintenance, classifieds and more! 's time get! Turn off the motorcycle is hard to start it a little throtle and it starts ready for summer to... Weak, no spark if i turn it over the car has more than 5-10 minutes when! Prone to leaks both in the tubes and at the battery hot motorcycle hard to start when hot...