DALTON HELIXES FOR YAMAHA 49 / 51 Y49_51

Yamaha Button Secondary Clutch – Y Series

Extensive machining to be lightweight like the OEM castings, but with the attractive strength of solid billet aluminum.

All Dalton helixes for this clutch use the “Y” designation. A single number indicates a straight angle; multiple numbers identify the curve from the start angle to the finish angle, e.g. (Y-50 / 40).