XC600 tuning - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 12-20-1999, 11:45 AM
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XC600 tuning

I just bought a 98 XC600, what are people doing for mods on the sled. Any tips on jetting, clutching, air box, suspension or any other performance improvements?

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post #2 of (permalink) Old 12-21-1999, 12:20 AM
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Re: XC600 tuning

The 600 is rich, you will have to jet down for your conditions. Clutching- 10-60 weights, 50/34 helix- not the R32 if that what is in your sled now. If you want more engagement go up on the initial in the primary spring like a 140/300. Gearing is ok but you may want to go up to 23/40 if your blasting lakes but check to see if your using all your gear now. Air box is good. Timing can be advanced 2 degrees but don't do it if your not comfortable with it. Suspension is stiff unless you are 220 lbs or a big bump crasher. Change out the front track spring to 190 straight rate or less if you are a lightweight. While your in there put in a fox setup with the threaded adjustment for tuning the ride in. The PPS shock will fit in the rear but depends on the kind of riding you are doing if you want it. The IFS springs are a little weak for aggressive cornering so bump them up to 100 or more again depending on your riding style. Run as little preload as you can. Have fun!

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