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Popping on Deceleration

  • Thread starter Thread starter Doldrums
  • Start date Start date
D

Doldrums

Guest
My '82 GS1100 pops a lot when I come off the throttle and decelerate.

This bike is stock, except 25+ years ago the original owner drilled out some of the baffles in the exhaust.

This has happened the 8 years I have owned the bike. Carbs have been rebuilt twice (once by "mechanic", once by me).

Outside of the popping, the bike runs great.

Is this just normal since the exhaust doesn't have the backpressure it should?

Thanks!
 
Hopefully an expert will pipe up but it sounds like it might be running a bit lean.
 
Very likely from the drilled baffles. Could possibly cure it with a little bit of turn out on the mix screws. Shim the needles perhaps.

Another thing to check as well is the asbestos like "gasket" they (Suzuki) used on the "Y" joints where the headers come together. They do wear out and itll suck some cold air there. My 1100G did that until I replaced em. $18 plus bucks a piece for those little buggers! Sheesh. I often wonder if you could use a Kevlar or similar type header wrap around a thin sheet Alu or steel sleeve to accomplish the same thing.. Then again, headed wrap is like $60 a roll...
 
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