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Old 06-14-2004, 09:12 AM   #2 (permalink)
fauskar
72FX/04Ultra
 
Join Date: Dec 2003
Location: Colgate, WI. USA
Posts: 547
fauskar is on a distinguished road
Begin by back tracking what your local wrench touched. Usually the problem and soultion are related. Did he/she touch the ignition, carb... Is there anything in the repair path that got touched. You get the picture.

As for the carb, go to sscycle.com to begin. Find the installation manual for the super B carb. Good data on troubleshooting and setup of the carb.

I have a super B on my shovel. Yes, there's no accelerator pump or choke. Only an enhrichment valve/lever for priming before start. Make sure that's not engaged. Assuming you don't have a manifold leak, I would drop the bowl and check to make sure that intermediate jet is tight and clean. The intermediate operates approxiatemately in the region between 1200rpm and 3400rpm. By dropping the bowl you can also check for any sediment that may have gotten into the fuel system. Total time 15 minutes.

Check the ignition timing path for tightness.

Most electronics (i.e, coils) fail completely. If the coil sparks and measures around 3-4 ohms, you're probably okay.
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