Posted August 23, 200619 yr The carbs on my xs 850 have jets numbered 1.22. the book recommends 1.45. Do you think changing to the big size will help top end power.
August 26, 200619 yr Moderator The carbs on my xs 850 have jets numbered 1.22. the book recommends 1.45. Do you think changing to the big size will help top end power. I'd book 10 mins on a dyno. that will give you your settings.
August 26, 200619 yr Is it not performing correctly or are you just after MORE ? What colour are the plugs, at full throttle ? I see it's a trike, what air box / filter have you got ? Changing the main jets for larger ones will only affect 3/4 to full throttle. It may be correctly jetted for you partitular airbox / exhaust comination, what rear end have you got ? Could it be a final drive gearing issue ?
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