hey guys i was wondering if u could tell me what you are running for a primary spring and weights. if u could tell me things like have u checked if its fully shifting out, if it still bogs off the line a little and stuff like that. whatever u can tell me will be great. thanks,
scott

 

bump

 

I've got HPD's race mod primary clutch, CK2RM1 which has a red spring and S53 weights that
are 53 grams. Mine has always had a full shift out but had a slight hesitation. I had HPD race
lighten the fly wheel and that fixed the hesitation. I've had this thing for 6 years and 5 years
ago I started to put mods on it. I'm very happy with the reliablility and performance. It doesn't
look like a 250 and doesn't act like a 250 so as long as after market companies make mods
for it I'm going to keep upgrading. [img]i/expressions/face-icon-small-smile.gif[/img]

 

Our TB has S58 weights with red/yellow primary and a gold secondary. Works great wity the HPD pipe.

 

thanks guys thats what i needed, ppl with real experience with them. i think im gonna go with a red spring with S53s and a lightened flywheel.
scott

 

I got the RCR stage 1 kit, that came with a s 58 weights, red/yellow primary spring.

I found that changing to the HPD solid blue spring was much better, it really launches now....

 

i thought about a blue with something like S58s but hpd has S53s on there closeout list for 7 bucks a pop so i think ill try those. do u know if the blue fully shifts out? when u hit it in the midrange does it still pull hard? about what rpms or throttle position does it engage? when u launch is it just tire spin or does it take off hard?
scott

 

I dont know enough about them to tell you about finally shifting out? sorry. But engagement is way above the reverse rev limiter, it wont even go close to moving without using the button.

On take off it depends on the surface, grass take of, if you gave it full throttle, it would flip you off. Half throttle wheelie. Dirt wheel spin, lots of it.