Clutch engagement

Yakattack

Member
I have a 3 disc bully red springs with roller levers, weight in each tab.
These levers only have one hole for weights...

This is for a yz144 on a Jackshaft...
Off bullers site...springs at .275 and weight in each tab the engagement is 4000rpm...
I need engagement to be 3350-3500rpm...
to get this I would need red springs out to .300

Would the black springs be okay with weight in each tab set at something like
.225 get me close?

Thx
 
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