[flyingf7sp]

I have a 98 ZR 600 EFI LE with a Black Magic twin pipe kit. The clutch uses the stock yellow/white drive spring and 50 g weights. The driven uses a purple spring and a 55/50 helix. The problem is the machine does not engage until about 6500 RPM. It still tops out about 8700 RPM. Stock engagement for this sled was about 4800 RPM.

Is it possible that the weights alone are causing the high revs? If not any theories on what to check? :huh:

 

[arctic rider]

i got a 00 zr 600 efi le and i got the black tragic pipes clutch kit reeds and gears, i rebuild my clutches every 2000 miles or so and that keeps them good, i'd try to talk to black magic...

do u have a blk magic clutch kit?

 

[flyingf7sp]

yes clutch kit, pipes, chip all BM