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Im not sure the market can even handle another carbon copy pro-cross, doo, poo chassis, which most likely would be yamahas new chassis be based off. I wouldnt think it would be worth it to them. You have to remember also that it takes tipically 4 or 5 years of developement for a whole new...

Yes, I agree I forgot to mention that. I run my track as loose as possible. It deffenitly affects stiffness. I'm able to run my softer than stock because of the cat torque sensing link on rear arm ,which keeps a more constant track tension throughout the suspension travel

I think most of the problem is from the coupling. When you increase the amount of rail behind the rear mount point,it's that much more rail trying to be forced up when rear to front coupling is in effect. The change in geometry also has to have some effect. Try putting a dolly under the front of...

i have same sled as you. I stretched it to a 136 tracks usa kit, with cobra track. Hookup is night and day better. You wont believe the difference. I used to be afraid to race anything on a lake unless conditions were perfect, now im in it with any sled. I too ride mostly tight trails (northern...

yes i had to extend my tunnel with 136. You wouldnt have to with 128. Since i didnt see a big change in ride with the longer track you might have good results with just a 128,especially traction wise.

i have to ask, as i have same sled. That problem accured couple years ago to me and since has gone away. When i move wiring harness (one that goes over rail) i got it to stutter. Is it that tightly taped harness. I didnt want to mess with at the time because i wanted to keep factury harness...

i have a 07 rtx stretched to 136. I installed the attack/ltx white spring on at positions 3/3. When i have it up on a stand secondary doesnt always completely returns (belt to top of sheave) when i let off the throttle. Sometimes it does sometimes not. There doesnt appear to be anything...

I stretched my 07 rtx to a 136 cobra from tracks usa. I highly recommend it. From a standstill hookup is night and day better than stock ripsaw 121. I used to never want to race anyone unless conditions were perfect, now im in with anyone in just about any conditions. I would say i probally lost...

Ive owned a cat or yamaha my whole life and the way each manufacturer puts their sleds and programs together it seem vey improbable that they would merge. I think cat would be even more reluctent than yamaha with such a move, considering their much bigger,established, race program, and their...

I wouldnt say they are better or worse than other carbides on pavement. I recomend putting low profile trailer guides on though, because with the three blades on the trackers they can stick in high profile guides, and it can be difficult to get the sled off the trailer.

i had triple points before my trackers,heres my thoughts. the points worked well if the skis were shimmed. They didnt eliminate darting but way better than stock. Shims wearing out over time became somwhat a problem. The trackers are the best mod Ive put on the sled to date. Dont have to worry...

I have a 07 rtx that i would like to re-arch the srings. Does anyone have experience/results doing this mod. I know rex talked about doing this in his sticky post, but didnt elaborate much on the subject. Do you put the small end in a vise and a long pipe over long end and bend. Or clamp wound...

I have an 07 rtx that i just hit 7000 miles with. I dont know how, with the lack of snow, but i just made it. I 'll give an overview on how its been for me. The only mods are pilot skis with snowtrackers and this season i stretched her to a 136 cobra (tracks usa extension).This is season 2 on...

Without question the two best mods Ive done to my 07 rtx are, snowtrackers on my pilot skis, and stretching to a 136 tracks usa extension kit. It makes a older sled feel totally different in a good way without spending big dollars on a new sled. I went with a cobra track and the hookup compared...

I have a 07 rtx that i just stretched to 136 this year. I dont have any time on a ltx so cant comment on that. I can say the hook-up with the longer track is incredible. Where the sled rides better because of the bridging effect of the longer skid, I have to say it feels too stiff for my...

i have a tracks usa 136 extension with a cobra track. Highly recommend the cobra, pulls like crazy compared to stock ripsaw. I too have a 07 apex and I'm still trying to get rear suspension dialed in. Its riding a lot stiffer than it did stock.All settings on softest positions.

I'm afraid i cant comment on top-end,as conditions were not ideal for any good lake running. If i were to guess i would say i might lose a couple mph if any . On loose snow conditions they do drag a little, but nothing to effect handling. On really hardpack i didnt notice any drag at all. Dont...

Even though i have 5.7 pilots i think results would be the same. The aggressive trackers are without a doubt the best investment I've ever spent on the sled.Virtually zero darting, Best steering I've ever had, and reasonably light steering. I did keep an outside carbide on, but its not really...

I have a 07 rtx. I want to clean up the primary, without removing complete clutch. Can i remove cover bolts to get at inside, or remove main bolt? Is the spider threaded on or will it come off. Ive never opened up the clutch yet other than just blowing out every ride. Any info would be great...

Im sorry i dont have any pics. But i only raised mine 1 inch and you can hardly tell i did any mod. The front by the tank looks a little higher and thats the only thing you might notice. I used 1 inch construction blue board for mine, but any thing would work. I wanted the lightest material i...