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Dirt Bike Brands - Other
deceleration knock with 2 strokes
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[QUOTE="georgieboy, post: 1237827, member: 21186"] Ok guys, for all who helped, here is what i did to (almost) cure the deceleration knock. I lowered the cilinder to establish a 1.1mm squish gap. The factory set up the bike with a 1.65mm squish gap and i felt that this was the culprit with this decel knocking. Remember that the decel knocking started directly with a cold engine, by just blipping the throttle. When i first started the "new" engine with reduced squish i immediately noticed the change for the better. Firstly it didn't knock with blipping the throttle anymore, secondly the engine itself was better running and not so jerky on low throttle. I was statisfied and happy, but offcourse needed the test ride to confirm things further. The ride was good. Bike responded well to throttle changes and the knock was hardly noticed on deceleration anymore. (btw i discovered yesterday, that my trialbike had also a slight of a decel knock with a cold engine. The decel knock went away after warming up the bike ) Before the worst knocking was produced on a downhill section. That was also hardly noticed anymore. So i am a happy 200cc rider now. Thnks for all the help. Still need to do some jetting testing though, but that is the easy part. :) [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
deceleration knock with 2 strokes
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