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Discussion Starter · #1 ·
Hi,
I am a new member and purchased a 2002 660 and now I am having problems with giving it alot throttle, It is missing its FMF end cap so it makes a really loud noise but it runs great at idle, starts right up untill you let of the clutch and give alot of throttle then it dies and sometimes even backfires, anyone have any idea what to do?

VS
 

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I would check the jetting. Someone may have jetted it wrong, and the popping could be a lean condition.
 

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If you're idling ok but have problems when getting on the gas it's quite possibly the reverse/parking brake safety rev limiter. There are lots of threads on how to disable, and you can find it under the tips and tricks section of sandwizards.com.
 
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