Question about Harley Davidson FLHTCUI Electra Glide Ultra Classic Motorcycles
I just put gas in it now it won't idle. i added some ocatane boost and ran it on the freeway but it didn't help. now it back fires bad. it was running fine until i put the gas in. do you think it could be bad gas? if so what should i do?
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Posted on Jan 02, 2017
Hi and welcome to FixYa,
Let's try process of elimination:
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Posted on Dec 28, 2008
Start with the basics, (****, Squeeze, Bang, Blow).
Check fuel is getting to cylinder.
Check Spark plugs by holding on cylinder head and cranking see if sparks.
check compression, should be approx same across all cylinders usually about 120-140 psi at a guess. I have had an older engine still running fine with 100 psi. (Workshop manula tells exact limits)
Check exhaust is clear some idiot could have blocked it for a laugh!
check air filter is fairly clean. Oil type can be cleaned paper type are disposable. I would initial just hoover it if its a paper one.
If you have a spark and fuel and compression and it still plays up check the ht leads are in good condition, even dirty plugs can arc to earth loosing the vital spark needed. Older coils do tend to break down particularly yamaha ones! I do not know where triumph source there parts but i know it is from various countries.
Hope this helps a bit
Posted on Jan 24, 2009
I have a supermagna and used fuel stablizer once and it wasnt fit it gummed my carbs up,ive cleaned mine often and it isnt rocket science,remove the tank airbox assembly,loosen up the boot flanges that hook the carbs to the motor(ones on carb)then remove the carbs,then the cables,choke and throttle,do not remove carbs from assembly(leave all 4 together)remove the bottoms and tops of a carb,removefloat and jet,then remove all the brass jets and clean them so you can see through holes,,blow out all the holes in carbs,and reasemble,works for me every time,about two hours to do,good luck
Posted on Apr 05, 2009
One more thing to try...loosen the gas cap when it starts misbehaving. If the tank is losing its vent, then it can act that way.
Posted on Jul 22, 2009
Your bike's engine needs a good tune up.
Please follow this site for tune up procedure of your bike's engine :- members.tripod.com/dav...k/id38.htm
Posted on Sep 08, 2009
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