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Old 24-09-2019, 03:16 PM   #6
Darkness
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Join Date: May 2007
Location: Stockbridge
Bike: M900
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Quote:
Originally Posted by slob View Post
I'd guess something else, the carb in question would struggle to achieve full throttle with a split diaphragm, since lifting the slide relies on a pressure difference either side of the diaphragm.

I'd try swapping the igniter boxes round and see if the misfire changes cylinders as a first step
I’d try that first too as it’s probably more likely to be ignition unless we are seeing the start of ethanol related rubber issues?
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