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I got a 99 SKS with a 151 track on it that I have owned for close to 10 years, I now have an 09 800, so the old girl basically stays at home for my wife to ride around. It has PSI center dump pipes, milled head, 21:39 gears and a R12 helix (51/36 I think) with stock secondary spring, and a 140/330 primary with 10-62, at around 2800 ft. I always used to run an attack compensator on it for when I was taking it out west lots and it worked flawlessly for me for 4-5 years. Now, since this sled will never go to the mountains again (too wore out with close to 10,000kms on it) I sold the attack and jetted it 210/215 with the stock needles. It pulls really good on hard packed right up to 8250rpm, but if I get into a few inches of loose stuff it slows right down and am only getting 7800 rpm???? I have never set this thing up to really ride around home so the helix and gears are new, and I think the jetting is still too fat. Is it too much helix? and am I close with the jetting? Ever since I have ran these pipes it has been a love/hate thing with how they run, but it is what I have and am not spending any more $$$ on it now I have the 09 to play with. Just looking for a good,fast, flatland setup for the old girl now, hopefully beat up on some of my buddies on 800 Cats drag racing on the sloughs and stubble fields at home. Any suggestions?
