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I think I read stock is adjustable from 34.5 to 38.5 is 36 the width with aftermarket skis?

Thanks, I finally got my viper out of the trailer. The front of the tunnel is the same, the rear drop brackets are different. My XTX Viper LE 141 has 3 and the XF 137 only has 2. Maybe I'll try to put the 141 skid in.

Any updates. Will the longer skid just bolt on? I was thinking of stretching my XF137 out. Tracks USA has this also. Arctic Cat XF 2014, 137" to 146" (AC-XF-04) But I don't know about tunnel extensions.

That is for a 1/10 RC models and is 3D Printed. If your local dealer is a western powersports dealer, they can order them. Rotopax aren't cheap, but they are 100% made in the USA

Rotopax

http://www.totallyamaha.com/snowmobiles/aaTECH/SledLift/Sledlift1.jpg http://www.totallyamaha.com/snowmobiles/aaTECH/SledLift/Sledlift2.jpg

Sounds good. Does anyone know what 2016's use the longer spring, or should I just use the 160 cat spring, and a part # for the 160 cat spring

Still 160 if im only 155, without gear.

Is the #145 a zbroz spring or does cat offer a 145 or only 140?

My dealer is in IL and he rides also. http://www.funmartcycle.net/

lift plans http://www.totallyamaha.com/snowmobiles/aaTECH/SledLift/SledLift.htm

Sounds like throttle cable is to tight, check out post 28 tells how to adjust. http://www.ty4stroke.com/threads/2015-rtx-se-stalling.134683/page-2#post-1215353

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I was wondering about the machined angle of the sheave itself, I'm all stock for now except for 8dn belt and osp quick adjust, I do plan on COTC. Just currious why the 8jp stamping and what the other models that have the 8dn stock have stamped on the primary

anybody?

Hi, I have a 2015 viper xtx le My primary is stamped with 8jp, has anyone measured the angle to see if they have a different angle from the nytro or appex? Is the 8jp the same angle as the 8dn and just a different length? I was just wondering why Yamaha would samp 8jp on it if it was the same.

Thanks!

Thanks, this is my first yamaha, I still have some doo revs.

Sled has .4 mi in this pic.