Why does my Harley Davidson hard start when hot?

Hard starting when HOT, but the engine spins up fine, means either lack of fuel or weak, no spark. If your Dyna is EFI, your fuel pump is losing prime/pressure due to fuel line leak…look here: http://www.hdtimeline.com/diagnosti…lated/979-engine_dies_and_runs_in_spurts.html

What kind of wire is under the seat on a Harley?

Found a bad wire on the start relay under the seat. Harley Mechanic said that was probably not the issue but replaced the relay, changed the wire connection and hasn’t missed a beat in two years. The wire that you found that was bad on that 2002 road king under your seat…

What makes a Harley Dyan engine difficult to start?

Okay, so if your Harley Dyan motorcycle is older than 2005, and the engine is difficult to start, check for one OR MORE of the following possible malfunctions. 1. Fouled spark plug (s). 2. Improperly adjusted enricher valve. 3. Intake manifold air leak. 4. A plugged fuel tank filler cap. 5. Clogged carburetor fuel line. 6. Contaminated fuel system.

Why does my Harley Davidson run weird after a charge?

The reason its intermittent is the bike will start running weird in other words it would take a charge but if for some reason that charge did not hold for long the bike will start running weird again. So I went and change the battery and I’ve never had the problem since.

What causes a Harley Davidson engine to sputter?

That too, from sitting a lot water can condense inside the carb especially if you live in a humid area….the float bowl could be poluted with water buildup….that messes up everything when it comes to running smooth… Thanks Badinfluence… Thanks for the indepth info and it was actually the crank position sensor…go figure.

Why does my motorcycle engine stall when warm?

And the problem is often worse on a hot day. The dreaded stalling issue when the engine is warm is the most common idle problem and it is mostly related to the very lean air/fuel ratio on the modern fuel injected motorcycle engine. Why does my motorcycle stall at idle when the engine is warmed up and at operating temperature ? – Low compression.

Why is my starter so hard to start?

BUT, more compression and starting load means more strain and stalled current draw on the starter….all things being equal. “Usually hard starting is a tossup between aged battery or bad starter depending on duty of service time and stress wise.

Is it hard to start a Harley Davidson?

Hard starting when hot! New to Harley world, been riding metrics. Recently bought ’07 Ultra, rode to D.C. this weekend. Found that when bike is hot, doesn’t want to start. It doesn’t stall when hot, but if I shut it off it doesn’t want to restart.

Why is my 07 Street Glide so hard to start?

Discussion in ‘ Touring Models ‘ started by dwireman, Sep 4, 2009 . I am having a problem with my 07 Street Glide. 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.

Can a cold engine start a Harley Davidson?

After waiting say 15 or 20 minutes, it starts fine. It doesnt do this all the time and never when I first start with a cold engine. Only after I have been riding awhile sometimes it will start right away but seems after the 4th or 5th stop nothing, it just cranks like it not getting any gas or not firing.

Why does my Harley Davidson 09 Ultra not start?

31,000 miles on my 09 Ultra. When the bike is HOT some times the engin will not crank. It sounds like gears grinding. When it does try to start it will hesitate as if the battery is weak. When it is at ambient temp it will crank right up.

Why does my Harley hard start when warm?

When the engine is warm it is tighter and requires more from the starter which in turn needs more amperage from the battery. If your hard start is slow cranking when warm I would have checked this first,then checked starter draw,then fuel and ignition.

When was the last time my Harley died?

Yesterday (Thursday) I road her to work, going out after work, and home (~40mi) just fine, nothing out of the ordinary. Figured I was in the clear and it was just some freaky coincidence the day before

Why does my bike start when I turn it off?

Unscrew the ignition module from the bracket and wiggle the wires when the bike is on. If you duplicate the issue, that’s it. That could also be why it starts sometimes and not others. Bc you’re turning the key on and off and it’s “hitting” right or wrong.

What to do when your Harley starts stalling?

Start the bike cold. Mist the intake flanges with brake cleaner. If your bike’s idle drops, or the engine stalls, you have an intake leak. If this is the case, replace the intake seals along with the front & rear intake flanges. If the bike passes the intake test; have the dealer or your mechanic scan the m/c for possible codes.

What makes a Harley Davidson engine sputter and cut out?

Sounds like water in float bowl or bad gas. Drain your float bowl. Try different gas. Change fuel filter. Check air filter.You might have a nest in there.

Why is my Harley Davidson engine stalling after warm up?

You may have a dirty IAC (Intake Air Controller). They get gummed up and will cause stalliing, especially on a warm engine. There is self help tip on how to clean it. Sounds like intake leak if it wants to stall after warm up. (You must log in or sign up to reply here.)

Sounds like water in float bowl or bad gas. Drain your float bowl. Try different gas. Change fuel filter. Check air filter.You might have a nest in there.

Why does my Harley Davidson stall at a stop sign?

After I’ve been riding for awhile and the engine warms up it will idle stronger and is usually fine, but once in awhile when I start from a stop sign or light it will stall and I’ll have to give it some throttle to start and idle up. Of course it never does it when the dealer has it.

What should I do if my starter motor is out?

Like he said, most likely is your battery. However, when the hold in coil is out on the starter solenoid it will do the same thing that you are just describing. In that case you need a new starter motor or you could try to rebuild your solenoid. The starter motor and is very easy to swap out. First, disconnect your battery. Do not skip this step.

Why is my Harley Davidson Sportster not starting?

Place your Sportster in second or third gear for the best results. A battery that can’t start your engine may no longer be recharging properly because of its age and current state of charge. The ground cables that connect the battery to your Sportster frame must also be undamaged and free of corrosion.

Where is the starter on a Harley Davidson 883 Sportster?

Connect your red probe to the solenoid positive wire. This is a fat 12 or 14 gauge wire on the cylindrical portion of the starter. Connect the black probe to a known good ground. 12v should be present in this wire at all times. Figure 3. The starter location on a 883 Sportster.

How to check spark plugs on Harley Davidson Sportster?

Insert a spark tester into the wire and attach the tester to ground. Remove the fuel pump fuse. Refer to the article Fuse Box Information for fuse locations. Crank the engine and watch for spark. If spark is consistently present, the problem most likely lies with the spark plugs and you should continue to Step 2.

How to test the power of a Harley Davidson Sportster?

To test your module’s power and grounds: Find the wiring diagram for your year’s Sportster in a service manual, or from your local Harley dealership. Locate the power and ground wires. Measure the power wire’s voltage. Set your meter to read DC volts.

Why does my 1200 XL engine quit running?

From intermittent strong or reduced power and missing start-ups my 1200 XL now starts for a couple of revs then dies. Every once in awhile it will fire up and run fine with no problems until the next start-up. I cleaned the tank,screen and bottom of carb. Vents and vacuums are open. Battery,coil, and wires checked out O.K.

Why does my Harley Davidson not start when hot?

Found that when bike is hot, doesn’t want to start. It doesn’t stall when hot, but if I shut it off it doesn’t want to restart. 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.

What kind of bike won’t start when hot?

Recently bought ’07 Ultra, rode to D.C. this weekend. Found that when bike is hot, doesn’t want to start. It doesn’t stall when hot, but if I shut it off it doesn’t want to restart. 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 that, absolutely love the bike.

Why does my 2.7L engine not start when hot?

I honestly have this exact same problem with my 2.7L. I can guarantee that something is becoming heat soaked when the engine sits for 5-25mins after being at operating temp.

What kind of engine does a Dyna Super Glide have?

The bike is a 2003 Dyna Super Glide stock engine. Does anyone have any suggestions as to what might cause this or has it every happen to anyone else. Things were fine until last week I stop to get gas after riding maybe 40 miles or so and when I was ready to go the bike won’t start. After waiting say 15 or 20 minutes, it starts fine.

What happens to a 2007 Ultra Classic when it gets too hot?

I have a 2007 Ultra classic (its stock except for the SE 255 cam) that runs fine and idles fine in temps under 85 degrees. If the temp goes above 85 it idles about 500 RPMs or dies when you come to a stop. It will start right back up. I think it’s getting too hot …

Why does my 2007 Ultra Classic not idle?

However, some people don’t like it because the engine sounds like it is about to die when the system activates. Some also complain that it lags when it disengages. One last note, on the 2007 model year touring bikes the system can only be turned on or off by connecting a laptop.

What causes a car to have a hard warm start?

Hard warm starts can also be traced to a leaking fuel pressure regulator (FPR) or fuel injector. Sometimes, a fuel pressure dampener may cause the same symptoms. At the beginning, a worn FPR or fuel injector may give in to pressure in the fuel line and then stop leaking.

Is the engine not to start when hot?

Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Engine Not To Start When Hot. This topic contains 13 replies, has 6 voices, and was last updated by EricTheCarGuy 7 years, 6 months ago. Recently my 1995 Toyota Camry US 5S-FE (4-cylinder, 2.2 liter, 16-valve) engine always can start when cold.

Why is my Honda engine hard to start?

But the main relay most often fails when the weather is really hot, while the other possible causes will exhibit the symptom nearly all the time. Although you might have a hard start now and then with a faulty main relay, it is usually not enough to cause you much concern—you can usually get the engine started despite the momentary difficulty.

Why do I have a hard time starting my car?

There are varied reasons why you may have a hard time starting the engine; when cold or hot; This is perhaps the most common fault to appear under this condition. You may notice the starter motor not working as usual or weak. Check your battery first. Then, have the starter motor tested, if necessary.

Why does my engine not start when it’s Hot?

Also make sure you have good oil pressure when hot. Oil thins and pressures drop as the oil heats up. A worn engine will have less oil pressure and if it drops too low when hot, it could be cutting power to the fuel pump.

What should I do if my car engine is too hot?

If possible, let the engine cool for an hour and check the coolant levels. If you have the supplies on-hand, consider topping off the radiator with a 50/50 mix of antifreeze and water or a premixed coolant. If the temperature gauge consistently shows the engine is warmer than normal, have your cooling system checked ASAP.

What to do when your car won’t start?

Have oto keep it cooldown in order to turn on engine again. Even sometimes but rarely engine turnes off without any reason and after a few minute I was able to start engine again. Exelerator works,battery in good condition, ega valve replaced,new oil filter and sparks. There is no black smoke on exhaust.

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