Clutching question help

[upnumber6]

i know it’s been talked about before and I’ve search this site for an hr or so and can’t find it so I hope someone can help
Buddy has a 16 viper xtx and I think he’s getting spring bind in the secondary. The belt runs a little better then 3/4 up the primary and the slides are using about 3/4 of the ramp on the helix, judging by the marks. he’s got the stock black/ pink spring. Now I’m sure I seen somewhere about a factory Yamaha secondary black/white? Spring that had 1 or 2 less coils that would fix the secondary bind. Can anyone confirm or have a part #?

 

[Carla 123]

I'm sure the new owners of thunder clutching will chime in.they are the clutching gurus

 

[upnumber6]

Bump
Someone must have some insight on this.

 

[Srxspec]

A Yamaha Silver won't coil bind but you will likely have to make some small adjustments to get your RPM perfect.

 

[agetnt9]

There maybe a casting ridge that will not let it slide all in.