How to make my XC600 go faster? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 11-06-1999, 07:06 PM
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How to make my XC600 go faster?

I just bought a mint '98 XC600 and wanted to find out how to make it a bit faster than stock w/out doing major engine mods (porting, heads)or putting on a pipe. I've been told that performance will improve if I just add a boost-bottle, reeds (does it have to be Delta Force?), and a CDI box from the XC700 (timing issue?)- tell me what I need to do!

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post #2 of (permalink) Old 11-07-1999, 09:01 AM
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Re: How to make my XC600 go faster?

Just put a stock 700 engine in it. No mods at all to the engine, and it will go faster. Or you could try riding down hill all the time on a packed trail. That will make it go faster too.

Just kidding you. It is pretty hard to go faster without producing more HP unless you can get more of the HP you already have to the track. It sounds like you may want to explore the route of clutching. I have been real impressed with the new design of clutch weights from Super Torquer Systems. Check them out at Randy has been extreemly helpfull in helping me get mine setup.

post #3 of (permalink) Old 11-12-1999, 04:32 PM
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Re: How to make my XC600 go faster?

I found the cheapest way to get more out of the 600 was putting the timing on spec. I have seen most polaris 600-700 motors
out of timing 1-1.5degs. out. Then add 2 grams to your weights and new reeds (reed block don't add that much for the $$). Get a
helix for you type of riding (48/36). Drop a gear and re-jet for you temp. For a better trail ride put 99' front springs. You will
never be faster than a tuned 700. I seen 99 XC600 beat a 99 XC700 that was tuned.

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