Question about Harley Davidson Harley-Davidson Motorcycle Desktop Telephone

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Older harley when I go over 40mph my bike back fires and misses then I drop under 40mph it runes ok

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Sounds like a lean condition. check for plugged carb passages and jets

Posted on Aug 13, 2008

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  • 97 Answers

At what throttle position? check basics first , spark plugs air filter fuel filter and plug wires

Posted on Jul 21, 2008

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1 Answer

MY IDLE RAISES AFTER BIKE IS WARMED UP


all motors do this, its normal. once the bike is warmed up then set the idle where you want it.

Aug 26, 2009 | Harley Davidson Harley-Davidson Motorcycle...

1 Answer

Harley davidson evo motor wont turn over...just clicks


Pull the spark plugs out and hit the starter. This will make sure that the engine is not locked up. If the starter does not turn the engine, put the bike in first gear and have someone push you, making sure the engine is free. If the engine is OK, your starter is probably jammed and needs replaced. That wire getting hot is a dead giveaway something is locked up tight...starter or engine. If ya have a large hi-performance engine in the bike, chances are your stock starter won't do the job.

Jun 16, 2009 | Harley Davidson Harley-Davidson Motorcycle...

1 Answer

My bike was runing good it,s a94 fatboy the other


Sounds like your voltage regulator is bad or come unplugged

May 09, 2009 | Harley Davidson Harley-Davidson Motorcycle...

3 Answers

Gear Box oil change How do i do it??


Trans fluid and primary fluid are the same oil , The drain plug is under the laft side primary cover. 1 qt of oil goes in the inspection cover on the top side of the primary cover. The oil drain is a hose under the left side by the frame rail. Look for a oil line with a plug. fill with approx 3 qts through the oil tank. Make sure you get the bike up to operating temp before dropping the fluid.

Feb 22, 2009 | Harley Davidson Harley-Davidson Motorcycle...

2 Answers

Loud ticking noise coming from motor and motor runs rough.


u didnt hurt anything,make sure u're using  multigrade motorcycle oil

Jan 21, 2009 | Harley Davidson Harley-Davidson Motorcycle...

1 Answer

Bike Won't Fire


Timing is off. If the timing isn't exactly right it will turn over until the battery goes dead or the starter burns up (which ever comes first). The fuel/air mixture has to be ignited, expelled from the engine,etc. for the bike to run.

Nov 22, 2008 | Harley Davidson Harley-Davidson Motorcycle...

2 Answers

Spark plug problems


Do a compression check and lets go from there. Bad rings CAN cause fouling

Nov 10, 2008 | Harley Davidson Harley-Davidson Motorcycle...

2 Answers

No rear spark, put on new coil, new plug wires and new crank position sensor, still only running on front cylinder.


I had almost the same thing happen on my 03 sportster it was the ignition modual dont know what year yours is but 03s are bad about messing up harley said they fixed the problem on the replacements

Sep 01, 2008 | Harley Davidson Harley-Davidson Motorcycle...

1 Answer

1988 sportster 1200-


try swapping out the wires. just grab two wires off the old lady's car and give it a spin, if all is well put her wires back and buy you a new set. could be the coil tunneling. ohm meter may or may not show up a problem. stock dual fire coil should run 3 to 5 ohms. on the primary. if you have a single fire set up with two coils you could have damaged the electronics if you have them and the power transistor that drives the coil is shot.

Aug 13, 2008 | Harley Davidson Harley-Davidson Motorcycle...

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