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Backfiring


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I am all out of guesses here. My banshee is backfiring when you kick it.

 

Rebuilt carbs

120/105 comp

Finishing up leak down tester

Slides not in wrong carb

Fatty pipes

Pro design filter

Timing plate ( now set at zero) trying to make sure the advanced timing wasn't causing a problem.

 

I give up. Though I know 105 is low it still should run. I pulled the pipe on the low cylinder to look at sleeve it looks good.

 

Any suggestions on what to try next?

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Check and double check that your slides are sync'd properly and your throttle cable has a nice smooth route to the carb. tops.

 

You've been playing with the timing so I would pull the stator cover and make sure your timing plate is set correctly and locked down tight (most likely your problem). Also check the pick-up gap between fly wheel and pick-up.

 

Could also suggest to check your reeds and make sure they are good.

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I just pulled my stator cover and verified pickup gap. Right now about .015

 

The timing plate is still at zero and tight

 

Installed tors eliminator with new cable and tops

 

Carbs are roughly synced by sight. Trying to get it started to finish sync with sync tool

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Flywheel key

^^^This. Flywheel spun.

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…...Didn't you just get this motor running recently?

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