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Burning Oil I think that it is the rings ,when rings dont seal right they can cause crank case pressure. The intake manifold is used as a vacume source to help seal the rings and pull any moisture out of the crank case. Modifying the intake box should not change the amount of vacume in the...

Oil The first two times I was low it was checked checked and toped off about 1/2 quart each time thaught maybe I was crackn up but the third time I was almost a full qrt low the light came on. Alan at Ulmer said that it might not like to be all the way full but should taiper off about 1/2 qrt...

I had my oil changed at the dealer for the 1st time and for its 500 mile check up, 500 miles later i had to take it in for some warranty work.After my first oil change I did all my mods. I have checked it my self and put in now 2 1/2 qurts of oil in 1500 miles they are trying to tell me it is...

Cltuch rpms the dealer just called and said that 9800 shifting up 10100 is ok and there is nothing he can do the sled has 2100 miles with the stock clutch back in 10100 to 10200 MAX is all I can get out of it. I know that buy pulling weights out of the tip I can bring the rpms up BUT!!! am i...

Clutch RPM My sled has 2150 miles well broken in.

I have a 07 Attak baught new. I have always had a problem with the rpms shifting out around 9800 to 10200 max. Two of my buddies have the same year make and model.there rpms stock would go to 10400 to 10600. Two of us intalled Ulmer Stage 2 Kits it made a huge gain in low and mid but I was...

Drone I have the stealth air box from Ulmer and a modified stock exhaust, the drone still there I have found ONE WAY not to have the drone.,Drive the sled like it was designed for fast fun ride it hard there is no drone whenI drive it like a 30 to 40mph it is the wrong application for the sled...

We have the same set ups in both sleds I dodnt want to change weights yet because I think I might be covering up a problem If I take out weight of the tip the rpms will go up. If I install his complete primary and it goes to 10700 plus I have a problem with mine Thanks for the Specs.

Ever since my sled was new I could never get into the rpms that I need to , 9900 to 10200 I have put on a Ulmer stage 2 clutch kit It help the excelleration of my sled but didnt change the rpm's . Called Allen at Ulmer he thaught that it might be in my primary clutch. I am barrowing a buddy's...

gearing He is looking for mid to top end not out of the hole and mid putting in a 23 will loose top end and gain low end?

Exhaust I check around and I decided to cut open my factory pipe and modify it. It sounds great and I saved 650 to750 $ . I felt there was other things that I could put my money towards that would give more HP for the money. I was only trying to get a little better or throatier sound, and I did...

I dont under stand your reply??????

I just got done installing Ulmer Stage 2, Plugs ,belt head lights and sky-dogs with shapers and ski savers. I also cut open my muffler and did some small mods for sound only. Everybody says to put on timming/fuel control and air box before buying exhaust. Who does or makes the best air box mods...

A local dealer sells both Yamaha and Ski-doo. The owner has 4 personal sleds which he has been driving Yamahas for the last 3 years. This year he switched to Ski-doo and said"Quote even though the xp was fast fun to drive and handled very well and one of the best he ever ridden, he still...

Looking for some help on whats the quickest way to remove and install the muffler and exhaust. or some short cuts

I just ordered a Ulmer Clutch stage 2 and skis and a Air Box ,Plugs I am looking to put on an exhaust but dont like the single out let buy Excell. Just wondering if any one has used the white nuckle and how did it fit. I dont want to get too loud either. Is there any one else besides these guys.

Thanks for the info I live in michigan ride in the UP When I put heal clicker in I set it up the way he saidI. He did sell me on the dual ramp set up and no helix. Thats why I would like to find someone who knows how to set them up and some good coaching. Nothing is worse than spending money...

Thanks for the info I live in michigan ride in the UP When I put heal clicker in I set it up the way he saidI. He did sell me on the dual ramp set up and no helix everyone said that is not the one to use in the Yanmaha. Thats why I would like to find someone who knows how to set them up and...

Baught a new Attack GT and loooking to do clutch exhaust and what ever I can in bolt ons. I had a Apex Gt . This is my second 4 stroke and would never go back. I tried a Heal Clicker and my Apex and they sucked and drove me crazy. I am looking for some who knows what they are doing. I Dont want...