Question about 2000 Yamaha V Star 1100 Custom

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I have an 05 v star 1100 custom that backfires alot and wont run with the choke off it also dogs down when i give it a little gas i have put sea foam in the gas but still has problem what else can i do to fix my problem?

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gavin jones

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Back fire,bogs down and choke required means it is lean.
Check fuel filter, fuel tap
intake air leaks, loose clamps, cracked rubber
vacumn hose off
valve clearance
loose jets in carb \dirt in carbs
part of a carb coming loose , like the top cap

The back fire can be because of carbon fouled plugs, caused by the choke on.
air intake leaks can sometimes be found by spraying WD around intake rubbers,while running and listening for engine change.
The rest is mainly visual inspection and adjusmnet

Posted on May 07, 2010

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Good luck - I know how frustrating these things can be! :)
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