View Full Version : Clutch Mod...anyone
Benjithx
06-01-2008, 05:28 PM
http://www.rockinhorseweb.com/Clutch_mod.htm
Has anyone done this? What are your opinions on it?
Thanks
honda4life72
06-01-2008, 08:21 PM
they do this to harley's with built motors. it allows for more surface area contact, therefor reducing the clutch slippage
INFAMOUSRACER7
06-01-2008, 11:57 PM
just put a crf clutch in it
mc_racer
06-02-2008, 08:40 AM
Is the judder spring the only difference between the trx and the crf clutch?
JH Racing
06-02-2008, 09:37 AM
yes minus the judder springs a CRF and TRX have the same clutch plates,inner basket, and pressure plate.
mc_racer
06-02-2008, 10:09 AM
Does that mean that I can use a rekluse pro from a CRF in my TRX as long as I use a TRX basket?
gcart2
06-02-2008, 01:15 PM
YEAH YOU CAN RUN A CRF REKLUSE WITHOUT ANY PROBLEM...BUT FOR OUR REACE BIKE WE RUN STOCK CRF CLUTCH'S AND HAVE HAD GREAT LUCK...ALSO SPARKS CLUTCH KIT WORKS GOOD.
BadinBlack
06-02-2008, 01:39 PM
i run this mod on my drag bike with trx250r hd springs and it really works well. i do however get some clutch slippage after about 5 passes at the hill...
kbass24emtp
06-02-2008, 04:11 PM
I did this mod two years ago. The clutch now feels like it has less slip and less chatter. It also feel like it has a more positive engagement.
Nate Dogg #76
06-02-2008, 05:05 PM
I did this mod with the crf clutches about a week ago. Before this mod my stock oem clutch plates lasted about 3 months. This will last longer.
All250R
06-02-2008, 05:53 PM
Originally posted by honda4life72
they do this to harley's with built motors. it allows for more surface area contact, therefor reducing the clutch slippage
I looked this up again to remind myself about the nature of friction and contact area. The basic caluclation for friction does change purely as a function of surface area. Increasing pressure or making the clutch plates rough will give more results than widening the friction disk which spins against a very smooth surface. These aren't rubber tires against rough asphalt. The material of that unique disk might be different. (?) Other than the disk material, stiffer springs are probably the best bang for buck.
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