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Dukedesmo · 15-08-2021, 03:59 PM

AFAIK the official way is to use a special tool, this fits over the mechanism and has a line on it that you then align with the line on the pawl in 2nd gear.

Failing this set it centrally in second gear* - at least that's what I have done. Though as my engine is currently in the same state as yours I've not been able to test it and I can't get a clean shift into every gear by hand, every time but it mostly works. I think this is normal when the engine is not running and that once the shafts are spinning, everything will be much smoother?

As it happens I carefully marked the position of mine before removal by scribing around the mounting plate and my best guess fit is pretty much bang on the scribed lines so I'm hoping it'll be OK.

Need to get it running to be sure though...

* Consider that 'centrally' is not the (visual) centre of the detent plate curve, rather the centre between the location/actuation points on the drum, FWIW I measured these as being 12mm apart whilst the mechanism has around 17mm of movement.

15-08-2021, 03:59 PM	#2
Dukedesmo Registered User Join Date: Sep 2010 Location: Leics Bike: M900 Posts: 2,844	AFAIK the official way is to use a special tool, this fits over the mechanism and has a line on it that you then align with the line on the pawl in 2nd gear. Failing this set it centrally in second gear* - at least that's what I have done. Though as my engine is currently in the same state as yours I've not been able to test it and I can't get a clean shift into every gear by hand, every time but it mostly works. I think this is normal when the engine is not running and that once the shafts are spinning, everything will be much smoother? As it happens I carefully marked the position of mine before removal by scribing around the mounting plate and my best guess fit is pretty much bang on the scribed lines so I'm hoping it'll be OK. Need to get it running to be sure though... * Consider that 'centrally' is not the (visual) centre of the detent plate curve, rather the centre between the location/actuation points on the drum, FWIW I measured these as being 12mm apart whilst the mechanism has around 17mm of movement. __________________ M900, 916, LeMans II.