Maintenance & Technical > KX250 / KX125

clutch adjustments

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Narkotik666:
Okay, so this topic was touched on in a previous thread....so i thought, t'd start a new one.

first off...i ride a 2005 KX250 2T (that i am setting up for trails....)

The Clutch pull is "fine"....but after about an hour of riding....i can't hold on to the bar, let alone pull the clutch.
the problem is, the motor is VERY "ON/OFF"...and i HAVE to ride with the Clutch to control it......i will add a flywheel to help with that...
but i was wondering, what adjustments can i do on the clutch....if i can make it lighter or less "pull distace"  it would be great.
but, i don't have a manual....and i would just like to know, what i can adjust on the clutch housing.....like the big dial and and and?
what are they there for? what do they do, and what is possible on the STOCK Clutch housing of the KX, adjustment wise?
 

kwakman:
firstly, you can get a msv raptor clutch perch and lever, supposedly a 325% improvement over stock.also, u can extend the clutch actuating arm by 7mm, which improves the leverage.however, if you havent cleaned and lubed and checked the routing of your cable to make sure there are no tight curves in the cable, its possible to get a good improvement for free.alkso check clutch basket for grooving as this increases the friction involved.hth.

Hillclimb#42:
Sounds like you are running stock gear ratio. If I am right, try a 13 countershaft. That should save some clutching. Could also be a needle adjustment. If you are a step too rich it will have a flat spot in acceleration before it comes on the pipe.

Narkotik666:
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?

The Flyin Hawaiian:
I had the Raptor and didnt like it. It has 3 cable holes and none of them felt right, it was easier but I just couldnt get used to the engagement/disengagement points. The lever that I mentioned in the other post of yours felt alot better. Not only in the ease of pull but also in the actuation points. Also, you will become a better rider by using the clutch to control the power delivery, this is something that I noticed that alot of people cant or dont do and get themselves into trouble.

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