Maintenance & Technical > KX250 / KX125
clutch adjustments
RoostDaddy:
--- Quote from: Narkotik666 on June 29, 2010, 01:04:31 AM ---hmmm.....325% improvement isn't something to scoff at....i like that idea...and it's reasonably cheap. considering that my clutch perch is rather knacked....hangs like a drunken giraffe.....with tourettes.But a washer will fix that.....okay...thanks for the info....really wanted to know how much i can change, without replacing the ACTUAL clutch.....so, i guess 325% improvement from just the clutch perch is plenty! thanks. apparently the Stock CR perches are also really good. are they?
--- End quote ---
As I mentioned before the Raptor is very easy to pull, but runs a fatter lever. And as far as the CR perches and levers, that is my personal preference. What's the best choice? Whatever works best for you and makes you more comfortable.
BTW, you can make your own easy pull lever by drilling an extra hole in a stock lever.
Narkotik666:
Hmmmm. Drilling a hole in the stock lever....sounds cheapest....everything in SA is crazy expensive...since everythings inmported. so, modding stock is best.
Last nite, i adjusted the "free play"....took it ALL away....so, i can pull the lever in all the way....and still have space to hold on te the grip....so, not crushing my finger the whole time....i am gonna try this setup....have it wound REAAAALLY tight....maybe it'll work a bit better....i am gonna ride this weekend, and i will try my friends STOCK CR250...if it "feels" beter..
Quick Question......i assume that the dial on the perch is just there to adjust free play on the cable....i cant DAMAGE the clutch by dialing it in ALL THE WAy....the lever is really tight now....and it engages at the TOP of the pull.......took out some smoothness i guess, cut it won't crush my finger....I cant pull it all the way to the grip.......and less pulling action....meanse less strain, well, in my head i guess...i will try it.....might POP a few accidental wheelies.....(i be honest, all my wheelies are accidental....)
but this cant damage the perch/clutch.....if its wound TOO tight?
Danger4u2:
No, it won't damage your perch but it will damage your clutch for sure. You can't beat using your owners manual. If you don't have one, find one or find one on line. The owners manual is the best way to keep up on the minor adjustments. The bike companies want your bike to last long enough to make you feel that you got your moneys worth. They want you to by another bike from them. If your are going to do major mechanical work then you need the bikes bible---"The Shop Manual". I have both for every bike I own. I even found a reprint for my 1976 KT250. There are many things about the KT250 I have never had on any other bike. For example the automatic chain oilier.
If you take out the cable play your clutch will be on the edge of disengagement. It won't fully engage. It will lead to clutch slippage and premature clutch wear. You need at least 1/8 inch of free play. When you lightly touch the lever it should open the distance of the thickness of a coin. Here in the states the thickness of a nickel or a quarter.
I use C/5 Series Pro Model Shorty front brake lever and clutch perch with hot start. You need the Shorty's if you run hand guards. They are not cheap ($155 for the clutch perch w/hot start) but they sure work well and if you bend one they will replace it when you return it to them. They are adjustable to fit your hand length. I've ordered set's for 3 bikes and ASV runs 3 weeks to a month behind on orders. So keep your original levers. It took a month to get the new front brake lever I bent back from them. I just used the old lever so I could still ride the bike.
http://asvinventions.com/Unbreakable-Levers/
Larry is developing a remote compression release that utilizes the hot start lever.
Narkotik666:
okay, Thanks danger....i'll loosen the thing up a bit tonite...
you're setup is wiiicked.....me likey.
kwakman:
As Danger said, no free play equals mullered clutch.The play allows expansion in the clutch plates when they get hot. The CR lever and perch are a cheap alternative to an asv, and are a widely approved mod in Kwakland.
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