clutch weight

[insaneSXR]

this might sound a little dumb but do yamaha clutches come with rivits in the weights? i broke a primary spring and when i was taking it appart i noticed the rivits. the sled is a 600 SXR that i bought used and was just wondering if this was something that the previous owner was playing with.
thanks

 

[MrSled]

not the normal kind of rivet to hold the sled togather..its a pound or peen rivet.

 

[ekimsx600]

Hey where are you in ontario?

 

[insaneSXR]

im in chalk river. its about half hour west of pembroke on hwy 17

 

[insaneSXR]

mr.sled so when people say that you have to add weight to the weights to bring the rpm down this is where i put it? and are these rivits just drilled out? thanks for your help

 

[MrSled]

yes, depending on how the sled is running on the bottom or top you can add weight (rivet sizes) to the inner hole or the tip hole to help control the RPM. Some of the thin head rivets you can pound out with a straight punch and support block and the bigger heads need to be drilled.

 

[ekimsx600]

If you want a set up that works really well try this:
8ab's with 2.4 grams in the inner hole stock spring
51/43 helix with the stock spring at 70*
Drop 1 tooth on the top gear in the chaincase

 

[insaneSXR]

thanks for all your help guys. im kinda new at this clutching thing. by the way where do you guys get your clutch parts from(weights, helix, gears i guess the last ones not a clutch part) the only book i have here is royal distributing and they dont seem to carry all the parts? once again thanks for your help

 

[MrSled]

Port Washington Yamaha or North Country Yamaha is where I get my stuff from....

 

[ekimsx600]

Try advant edge. Ther're in Barrie.