Question about Harley Davidson FXST Softail Standard Motorcycles
Can hear the fuel pump coming on but it will not trun over. Took the air filter off gave a little shot of ether it started right up then died again. Plugs are getting spark, but look like it has been running a little lean. I know it is not getting any fuel but I don't think it is the fuel pump, but what else could it be?
Harley FI systems had a problem with the hoses in the tank getting holes in them, if pump is running but no fuel to injectors then this is where I'd start to look. My suggestion is to buy a repair manual from HD, they are about $50 and they are worth every penny you pay.
Posted on Jan 05, 2015
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Posted on Jan 02, 2017
SOURCE: How do I re-jet my carbs?
Basic setting for idle adjustments is ~1-1/2 to 2 turns CCW from CW stop. New stock (paper) air filters don't require re-jetting--only K&N foam replacements require one size bigger main jet. Adjust each carburetor idle screw for smoothest idle. Each screw should be about the same adjustment--if one is non-responsive, that carburetor may need internal cleaning. Make sure you have good spark plugs and the ignition points are clean and set to proper clearance. The ignition coils on these old Honda's were typically weak--try to find a modern replacement. The carburetor slide needles should have the 'C' clips in the center groove. Make sure the retainers are down tight. Check the engine valve clearances (about 0.003 " cold) for both valves when the crankshaft is set for TDC when that cylinder is coming up on compression.
Posted on Aug 11, 2009
Carburator clean up could help solve the problem, it seems some dirt may have entered the float chamber!
Blow the jets with compressed air.
Hope this helps!
Posted on Nov 04, 2009
SOURCE: fuel leaking from air filter
The float in the carb may be broken or the fuel metering needle may by stuck open. Either will cause the bike to flood. Remove the carburetor bowl & check them both. 1 or both will fix the problem.
Posted on Jan 09, 2011
Check the spark timing.
Check fuel delivery. If it consistently runs on starter fluid then dies when that is exhausted, suspect a vacuum leak in the carburetor or intake manifold. This will keep the engine from sucking in fuel.
Posted on Mar 09, 2011
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