verslagen1
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Where there's a will, I want to be in it.
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There are several reasons for backfiring (techically it's an afterfire) 2 most prevalent are lean carb adjustment, and exhaust leaks.
If it backfires on shutdown or idling, and I mean kaboom not just a puff. then most likely it's the pilot adjustment. Look on the right side of the bike, right side of the carb, there should be a brass plug if you have an unadulterated bike, otherwise if the plug has been removed, you'll see a screw. See lancers straight and simple tuning guide for how to adjust. If it does a puff at shut down the adjustment is either a shade rich or just right.
If it backfires on shift, every shift, check for exhaust leaks first. Then you can try increasing your jets or the white spacer mod.
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