M7 900 BB Clutching Help!!

[manlye]

I have a M7 with the Engine Tech 900 BB running SLP twins, PC-V BDX intake, BDX power valve delete. I just built this sled over the summer as a project and now desperately need some clutching guru help. I ride from 9k-12k I threw in some 67.5G weights I had and a titanium green dot spring, problem is it engages at around 3500 and runs out to only around 5700-6000. When I take the belt off the primary slams hard at around 3500. My thought is the spring is my issue (worn out spring), but do you think I need heaver weights as well? BTW I am around 235lbs ready to go. Any help or suggestions would be greatly appreciated!

 

[Rixster]

What is the green dot ti spring? I haven't seen that one before.

 

[polaris910]

Call

Give Steve a call at MDS Clutching he's helped guys with B-Bores in the past did a lot of tuning on them and doesn't try to pimp his product either.

 

[Rixster]

I can tell you what I am running in my 1000 BB in the 8-10 range
Primary:
polaris black red (120-320) spring, CPC adjustable weights. (70.5 I think) With the weight loaded in the center of the fly weight.
Secondary:
RKT torsion conversion cat snopro green spring in the 3rd hole.

 

[manlye]

Thanks for the help, I'm debating if it is clutching or electrical it won't rev pad 6000 but with the belt off it revs out similar to another thread going now


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