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Recently purchased a '17 Sidewinder XTX LE 137. It came with a clutch kit supposedly from D&D. The weight pushings are pretty worn and should be replaced. D&D tells me the weights are not theirs. Does anyone have any info who may have built these weights and bushings? They are much larger...

After many years away from Yamaha I purchased a 2017 SW XTX LE with the 1.75 track. I want add add some studs, mostly to make it easier to load into the trailer on icy parking lots. I see some have used the igrip studs. I see some recommend the 28mm ,some say 32. Also, I am not familiar...

My 1st choice would be direct injection 2 stoke 700 triple. But that seems unlikely. Yamaha has 700 and 800 cc twins in the SXS. Would it make a good sled engine if they put a turbo on it? I know nothing about that engine, looking for something for Yamaha to return to sledding.

Word from Big Moose Yamaha that 2020 Yamahas will not be at Snofest this weekend. Just in case someone cares.

http://cs.amsnow.com/sno/b/news/archive/2017/03/08/maine-to-hold-public-hearing-on-two-snowmobile-bills.aspx Looks like Maine will have a new law making any exhaust not having a Snowmobile Safety Assoc seal illegal. Tough on a lot of quiet turbo upgrades. Law passed to make it easy for law...

Anyone mess with the alternate mounting positions on the USI Triple threat skis? My Viper requires a lot of effort to keep the sled turned in long sweeping corners. You have to keep a lot of force on the bars as you go around the corner. Would changing the bolt location help? Right now I...

Anyone hear why there was no Viper or AC7000 at Shootout? They did not call it a 600 class but a 120HP class..... AC ran their 600, did OK but slightly slower than Doo and Polaris

Just curious, does the AC 7000 with the Team clutches have the same clutch rattle as the Viper. My 2016 Viper was really quiet until I got a couple hundred miles, now as bad as ever. Maybe the new Sidewinder clutch will be better, if the Viper gets it next year.

So its the time of year we "discuss" the 2 stroke vs 4 stroke thing. Has anyone ridden both sleds to see what the differences really are? The HP is pretty close, slight edge to the Viper. 6000 seems to have a small MPG advantage and obvious weight advantage. Do the feel similar, or is the...

Played around at dealer yesterday to compare rebound between LE and std Viper. The LE definitely comes back up much slower. Why does Yamaha do this? Had a 2014, had the rear shock revalved and they took away most of the rebound, rode awesome. It seems to me that in repeated rough areas the...

So Yamaha tells us the 1049cc motor in the Vector etc has new crank, rods, new castings.......... But why did they do it? More power, better mpg, lighter, revised mounting, or maybe just cheaper to produce???? Except for the new electronic throttle I have not seen anything.

Had my 1st experience with no start. Fortunately I realized the fuel pump was not running. It was in the trailer in my driveway, would have been nice to have driven a couple hours to ride. Got hood off in trailer, not fun, to access fuse block, tried a hair dryer on relays and all is good for...

Finally got enough snow to get out and ride my 2014 Viper. I added a D&D muffler and was interested in how much louder it was. Trouble is at about 5000rpm I can't hear the exhaust at all, all I get is a rattle noise, kind of like a loose exhaust shield. Talking to my dealer he thinks it's the...

A couple weeks ago I ran across a company, I think linked to on this site, that offers a pair of Aluminum braces for the snow flap. Mine seems to want to catch studs when I back off the trailer. Can't find it again. Has anyone seen this? Thanks

With so much confusion over how far to back off the adjustment screw has anyone tried setting the tension by using the back and forth free pay in the secondary clutch. I know it does not work with a Yamaha reverse mechanism but with the AC system it seems like it would work fine. If so how...

Does anyone know, or know where I can find, the "factory" settings for the coil over springs, either the installed length as Yamaha used to call it or maybe threads showing??? Manual just says they are set at the factory. Need to know front springs, also interested in where they set the front...

Is there any place we can go to find out more about Yamaha XC racing. They update the Yamaha facebook page only if they do well. No info on when they don't. Also, they say things like DNF, mechanical....no real info on what went wrong. Ben did well in the latest 500 miler, but fell back at...

On my 1st ride I was playing with brake feel, one finger, 2 fingers..... Locked up the track and slid to a stop from like 30 mph. When just about stopped I hit the gad again and the sled was not very responsive. Pulled over and idle speed was down to 800-900 rpm. Would not clear up. Rode...

Can anyone provide a link to the Snowmobile racing facebook page, can't seem to find it. Thanks

For those of you that did paint and powder coat work on the front end were there any issues or special tools required to separate the ball joints form the spindles? Sled is not here yet but I am getting ready. Thanks