Help with parts and ideas for 07 nytro mtx

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Feb 24, 2023
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Location
Northern Utah
Country
USA
Snowmobile
17 yamaha sidewinder mtx 162
08 yamaha nytro fx 40th anniversary edition
07 nytro mtx 40th edition
155" 2.5 camoplast track
Stock yamaha rails with extensions
Timbersled mtn tamer skid
barkbuster front end
mpi turbo kit 225hp (maybe) unsure 9 to 10 psi boost
Adjustable secondary
Dont know whats in the primary
Fox float shocks all the way around

Hey so im in a weird situation. Ive got the rest of this winter and summer to work on my sled and it needs some work. I bought the sled 3 years ago and rode it for the rest of that winter and it was good but by the end of the season my shocks needed rebuilt (still on the to do list) and the last ride of the year was on hard pack and i burnt the hyfaxs off and chewed through the bottom lip of the rails and chewed into the track. So im looking for new rails that will work with my skid and will let me take the track out to 174". I know it needs some clutch work or maybe it doesnt. Alot of this sled is a mystery to me because i bought it how it is. Currently it revs to 6500 hard before slowly pulling up to 7400 at full throttle topping out at like 72mph. Im looking for some ideas for parts and potentially where i can find them. I think it needs a fuel controller and tune as well since the controller was being finnicky that last ride. It also burned through 4 starter relays in like 8 rides.

Parts list potentially
Track and rails
Fuel controller
Clutch work
Rebuild shocks
Running boards
Starter relay fix/replacement

Context
Me and my gear weigh about 280. I ride alot in alpine like terrain with alot of steep climbs but few real trees, i dealt with alot of trenching issues with the current setup but potentially could have been collapsing shock. Im very new to 4 stroke sleds my experience is mainly 2 strokes that i fabbed the parts onto and sent for clutch work. But i got burnt out on them after catastrophically blowing up 4 motors in 1 season. And there arent any 4 strokes for sale within a thousand miles that i can find or afford.
Any help is very much appreciated thank you.
 
I have a nytro long track skid with 6” WPS Extensions… I don’t know if it’s the longest one or the second longest one… I will have to get some measurements for you if you are interested… I would be willing to pull the rails off the skid if that’s all you want or you could have the whole skid…I would say the rest of the skid does not have that many good parts on it as I have robbed parts for a nytro xtx that I had… Tod…… easiest if you call me… 260-701-9033
 


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