Popping on decel

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#21

09-15-2009, 04:18 PM

1953riderforlife

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Quote:

Originally Posted by Sigma

Exhaust backfires are caused by a lean condition, an exhaust leak, or timing issues. Intake backfires are caused by a rich condition or timing issues.

I can vouch for the popping caused by exhaust leak as I had that happen to me. Once the leak was repaired (pipe loose at manifold), the popping went away.

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#22

09-15-2009, 06:38 PM

Sigma

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Quote:

Originally Posted by barjbar

Decel popping is not a backfire. It's caused by a minute amount of unburnt fuel burning in the exhaust.

So, just for curiosity, how would you define a backfire?

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#23

09-16-2009, 05:33 AM

bcane98

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My rear head adjustment was on the left side of the bike... The setting prior to my adjustment was 3 turns out from closed.... I changed it to 3 1/4 - 3 1/2 turn out from closed and the popping went away. Do you know which screw to turn? There are a couple of them and one is a big NO NO to touch...

This is what mine adjustments looked like... link to the forum I was asking my question... click here