farl Posted January 17, 2023 Posted January 17, 2023 Hi all ,new to the forum looking sum advice to finish my build so iits a 1127 1990 engine I recently bought flatsides vm29 ss my problem is she not ride nice till past 4rpm there 29mm and the oem r 36mm what do I do r will they tune on a dyno ? Quote
Gixer1460 Posted January 17, 2023 Posted January 17, 2023 29's on a 1052 / 1127 / 1157 will be a bit too small when compared to std which were 36 or 40mm cv's. 29s were fitted to the GS 2v engines but they are rev limited when compared - if bored to 33mm they could make a torquey rev limited road bike! Quote
Fazz711 Posted January 18, 2023 Posted January 18, 2023 7 hours ago, Gixer1460 said: 29's on a 1052 / 1127 / 1157 will be a bit too small when compared to std which were 36 or 40mm cv's. 29s were fitted to the GS 2v engines but they are rev limited when compared - if bored to 33mm they could make a torquey rev limited road bike! Comparing slide and cv size is a bit apple and pears. Still 29 bit small. Had a set on 33 smorhtbore slides on a 1052 and it flies. Quote
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