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Longstroke quattrini

Posted: Thu Jun 01, 2017 8:41 am
by ducksta
Hi guys wanting to longstroke my quattrini m1x kit just wondered what crank to use and what gear set up I would need after.
Any info appreciated.

Re: Longstroke quattrini

Posted: Thu Jun 01, 2017 10:46 am
by Lambretta Sash
Gearing will depend on pipe used and crank id probably go pinasco.
My m8 ended up using pinasco case and mhr after breaking two casings
To get best from it you need a mate with dyno

Re: Longstroke quattrini

Posted: Thu Jun 01, 2017 2:01 pm
by ducksta
Quattrini pipe I was thinking pinasco crank better then bgm?

Re: Longstroke quattrini

Posted: Thu Jun 01, 2017 5:41 pm
by mick1
Sean Brady has built a few Quattrinis and customised cranks to suit......maybe worth giving him a call ? plus they have a Dyno up there.

Re: Longstroke quattrini

Posted: Fri Jun 02, 2017 6:38 pm
by cartmel808
i have an M1x with 60mm crank & mine runs P2 (23/65) gearing with 36t 4th... crank-wise - for rotary set-up both the polini & pinasco 60mm cranks are very good quality... if reed valved, then I've used both worb5 flowed 60mm & scooter & service 60mm bell cranks - both with very good results.