After operating at temp, and leaving it for 10-20 minutes it would not start. You may notice the starter motor not working as usual or weak. Stopped for lunch on a Tuesday ride and ended up push starting it. There are varied reasons why you may have a hard time starting the engine, when cold or hot: Starting System And Battery. If the motorcycle has been running and the engine is already hot, you won't need as much power to get it going. Where does injectors normally leak: It is possible for a motorcycle to sputter due to timing issues, though this is a less likely reason. The fuel/air ratio is very important to the smooth running or starting of an engine. Before you condemn the starter as bad, you should perform a system diagnosis of the battery, cables and starter. When the engine is cold the air fuel mix enters the cylinder and is compressed and ready for ignition, cold fuel, cold air cold cylinder= lower compression. I was here a couple years ago with a problem I just could not get solved. Road King Hard to Start When Hot. Hard starting is a nuisance you shouldn’t have to put up with. If the bike is cold, push down on the choke lever. While running, the bike sounds/feels normal. The new engine has about 30K miles now and runs great with one exception; starting the car when the engine is warm takes multiple attempts. If your engine has 180–190 psi of cranking compression but remains hard to start, look outside the engine for the cause. MIKE'S SURE FIRE XT500 STARTING DRILL: DO NOT TOUCH THE THROTTLE!!! Hard Starting when engine is hot. Checking the intake air temp sensor is covered on page 130-7 of the Bentley manual. Stopped, killed the engine and did something for a while (unloading at hotel, watering a tree, eating lunch), and it wouldn't start back up. Engine dies or won't restart when hot (From: Wild Bill (kwag98@tcis.net).) I would recommend soaking them as much as possible in WD-40, or similar light oil and then trying to remove them by force. 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). A hot engine quickly vaporizes fuel from the carb. This guide will help by starting with simple fixes and conclude with the more difficult. i can use starting fluid and it starts up very easily, but i don't like using it all the time because i have heard that using it over time can ruin compression. it back fires and then starts every time. With idle set at 1000 RPM, the engine should start with no throttle. This isn't a hot 4 stroke we're are talking about here, 2 stroke engines are very easy to start hot or cold, and hard starting is a sign that something is not right in your engine. 1 Don't Ride with Morons Lest They Cause You to Crash Hard, Too 2 EMP Guns to Stop Motorcycle Pursuits? The button will automatically retract once the engine is started and the throttle is actuated. You don't need to use the choke lever when starting a motorcycle "hot." Poor Emissions. Ultimately, you got a poorly running engine that will ultimately shut off. It’s pretty hard to have the timing randomly start getting off by itself and is usually caused by either someone rebuilding the engine and getting the timing off or someone tried to fix the timing themselves previously. Discussion in 'Engine, Fuel and Exhaust' started by cuffnum, Feb 4, 2014. cuffnum Member. I do use the choke when starting it. You could have a bad gasket somewhere along the intake tract or a leaky header gasket which only leaks when hot. First two times I cycled the ignition all the way off for a couple of seconds. 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! Shut off the bike for a short period, like a fill-up, then go to start it up again and it turns but won't catch. Hydro-lock, which can lead to catastrophic engine failure. Most of the reasons by which a hot engine would be hard to start are based on problems related to the fuel. If your starter easily cranks a cold engine, but “drags” or cranks very slowly when hot, there may be a “heat soak” problem. The car is a '01 4.6 (2V) GT. 2000 Honda 1100. Let Engine Idle Before Moving Many people have the habit of starting the bike, shifting into gear and getting moving without giving the engine enough time to warm up. Just use a small amount of throttle and the engine should fire. If the bike is real hot there's a small hot … By Jerry Smith. Hot as in I'd been cruising at 70 for an hour or so (which with a -2t front, means 5k rpm - the Bonnie's redline is 8500). Lately it does not like to start when hot. When the bike gets really hot from a long ride, the idle mixture becomes too rich for the hot engine and it stalls. After it runs to normal operating temperature, park and turn off engine for a few minutes, it won’t start the engine regardless how long the starter cranks, until at least 40 minutes later when everything cools down then it will start again. Description: An engine should start up and run in about 2 to 3 seconds of turning the ignition key to the crank over position, if not you have a hard starting condition. MC Garage Tips: How To Fix A Hard-Starting Motorcycle. Otherwise, pull the throttle back just far enough to get the engine to fire. Check your battery first. (2) weak spark to the spark plugs or imprpoer spark plug gap (3) low compression. The bike is a 1982 Kawasaki KZ550 LTD. Whenever I am trying to start it, i can tell it wants to catch and start, but it just keeps grinding. Chances of having hot start problems due decompression valve are higher when your battery is not 100% charged. 2. 1. 7. The problem is in the carb's. Once or twice it started after several tries. Fuel odors inside and around the car. Right hand side below the 'fake' fuel tank cover). ... Do a compression check on the engine both when cold and when hot to rule out an internal problem with the engine. The mixture screws have almost no effect above idle speed. (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. My 1996 2.4L Tacoma would not start when hot. The engine is completely stock and bolted right in with all connectors matching up perfectly. Let me explain how. I have to either start it a few times, or open the choke. Most of the reasons by which a hot engine would be hard to start are based on problems related to the fuel. When I stopped for gas it will not start. It is simply heat expansion. (4) vapor lock caused by carb vent tubes being restricted or clogged. (You can access '+' terminal by taking the seat off. March 25, 2016. 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. Then, have the starter motor tested, if necessary. ... need anything before starting … Motorcycle starts fine when cold, but is hard to start when hot.? If bike is not starting when hot, let it cool down, drive it home and connect the battery to a trickle charger overnight. Oil thinning, which can lead to catastrophic engine failure. Increased Fuel Consumption. I am so damn happy! I am starting to have hot starting problems. It cranked hard, but would not start. 3 The Other ... when the engine or pipes are hot. Before you decide on any plan of action please read this article. However, when your engine is hot, if the intake air temp sensor is faulty, then the DME may think that the engine is still cold and send a mixture that is too rich thereby causing a hard start. Metering the fuel ratio is the jets, the air slide (and needle) and the enriching device (choke) for cold starting. MC reader with a bad right leg wants to know if he can add an electric starter. All that kicking or pulling is just wearing out your starter and probably your leg or arm in the process. Rough Idle. Bike starts, runs great. 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. 7 11 0. I have a 2003 Yamaha v-star classic 1100 with 8900 miles. The engine just cranked over and over for about 30 secs (holding the starter down off and on repeatedly) to get it going. Put the sidestand UP. Motorcycle carburetors have either an enriching circuit, a choke or a float plunger. This is perhaps the most common fault to appear, under this condition. I have a 2008 road king with a screaming eagle stage 1 intake, vance and hines tru duals and a stage 1 fuel injection map from harley. Loose bolts cause air leaks which in turn make the engine pull in excess air from the outside. Because a cold engine doesn't vaporize gas as well as a hot one, you must put in a larger quantity of fuel to get enough vaporized gasoline to start the engine. That way the tiny parts of the engine expand as the engine heats up gradually. When stopped for lunch and bike cools off it started right up. Had this happen three times now over the last two weeks in hot weather when bike is hot. A few years ago I installed a brand new '03 4.6 (2V) GT crate engine. 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. Running the engine cold can result in various issues in the long run, which can even include cracks and fractures in the moving parts. This will make the engine of your mower shut off as well. Engine runs hot - Due to more oxygen than fuel combustion temperatures are hotter reflecting on a temp gauge. Recently my 1995 Toyota Camry US 5S-FE (4-cylinder, 2.2 liter, 16-valve) engine always can start when cold. There can be numerous reasons for the engine to quit running when it gets up to operating temperature.. expansion of metal parts where bolts/screws aren't tight enough, breakdown of the condenser for the ignition points (if equipped), or a possibility of a crack somewhere. Most common fault to appear, under this condition possible in WD-40, or open the.! Engine heats up gradually I just could not get solved oil thinning, can... If your engine has 180–190 psi of cranking compression but remains hard to start are on. 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