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with the sled running the blue at the end just means the box is sensing boost.

had 7000 miles on mine then replaced them. They looked fine I just said what the heck cheap insurance. I still kept the old ones as spares.

I will check with him Friday Thanks

Ihave the 60y set and got them from ulmer racing.

Looking for a setup for super tips, weight location on the arms and what to put where. I have an Attak with mpi super charger running 7psi boost any help would be awesome. Thanks

was wondering if any one has tried the drag and fly weights from super torquer on a super charged attak @7psi? If so what are your thoughts on them? thanks

sc apex I have almost 10k on my 06 attak with mpi s/c. Installed it when sled was new. Have had no issues at all running 7psi so hp is @200-210. I get an honest 12 mpg when running hard and on groomed trails. I love this setup the thing just pulls and pulls.

nos dry Still no answers for you ah. I fuess no one has tried it before. LOL

At what boost psi should I think about retarding my timing and by how much. Presently I am running MPI super charger with 7psi boost and the timing is stock. Would it help me to retard timing at all at this point or leave stock. Sled is a 2006 Attak. Thanks

Is anyone using one of these boxes on a supercharged apex? Was looking to try something other then the mpi controller but would like some input from others if they have done this. Thanks

Was wondering if anyone out there has put one of these set ups on there super charged sleds. I am running 7psi boost and thinking of doing this. Any help would be great from users who have knowledge of this. Thanks

pilots I just put on a set of the 6.9's on my attak all I can say is awesome. I love them, so much then stock it ain't even funny. I put 5.5 carbides in the main keel and 4.5 in the outside. I also used the stock oem skidoo rubber thing that goes between the ski and spindle. With no weight on...

fuel can I carry @2gallons on the back of my attak. I purchased the QRS system with the can. The can has no vent works awesome. Have had no problems in @4000 miles with it. It does get black on my sled because I run a little rich with my super charger. You can find the set up on his web site...

gaskets I have heard of this but they will usually last a lot longer. I just replaced mine this year with 7200miles and they were still good. When they do start to wear they will go very quick. Tell tale sign is exhaust getting louder.

40th book Got my book today fast shipping Thanks. Awesome book, I agree every yamaha fan should have one of these. Thanks again. Bruce

contest Hey Hondo what an incredibable seasons AWESOME!!! I live in southern Maine but have a place in Wallagrass on rte 11. Iam a member with slybrook and operate the groomer when I am up there. I talked with you briefly one day at lake road grocery when fueling up, we were in a hurry or would...

super charger I have over 4000 miles on my attak with sc running 7psi boost this thing rocks. Once you figure out your clutching its unreal. I get @11.5 mpg and I'm a little rich in the bottom and mid range runs @10.8 to 11.5 on o2 gauge. Very happy, corner to corner you won't find anything...

shock I have 4600 miles on mine and no problems with rear shock.

I trail ride like you are saying you do and get @11-12 mpg last wwekend ran @95 miles 0n 8 gallons. I run 7psi and love it.

Extra fuel I purchased a Q.R.S. system from craigerbuilt in Idaho and mounted it to my tunnel extension was @ 65.00 shipped. Look them up I think its craigerbuilt.com