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From a 14 year old post?

Basically, you probably mangled the part of the gears that lock the two together for reverse gear. It’s the square teeth on the sides ( they were square, at least). Now that the edges are messed up, they pop apart under load. It can be fixed by a machinist with the right tools. Even better...

Patents are great for protecting your intellectual work. It doesn’t mean that they’ll produce these new products, but it could mean that they’d license the designs to other manufacturers in order to make a small percentage of the sales without building it themselves. Yamaha did this with the...

I’m just basing this on my experience working mostly in motorsports since the late 90’s. Yamaha would be foolish to walk away from the snowmobile market IF they can continue to stay mostly out of the chassis developing business. As long as Textron ( or another brand) is placing Yamaha engines...

OMG dude, if you can’t pull the trigger on that deal why are you wasting yours and his time?!? If that’s your budget you have zero business even thinking about a supercharged Nytro, too.

Swap a skidoo rMotion skid in the Nytro. -20Lbs and rides much better. Then replace the muffler with something like a Skinz Ultra Q to drop more weight. The cost of Carbon vs. weight reduction doesn’t make sense for a 15yr old Nytro.

The shifting arm for reverse needs to be moved DURING chaincase assembly. It needs to fit in the right spot in order for the case cover to fit properly.

I’d be looking for a wire with the insulation worn off. Could be grounding somewhere.

100% agree with working on your sled. Any money a dealer would charge could be spent on any tool you may need, and the information to do most anything is readily available. Personally, I have an electric sled lift and 7000Lbs car lift in my personal shop so that I can work on everything. Tools...

Maybe just add a vent below the headlight.

They’re the same

Oh yeah, I installed a Schmidt Bros sway-bar. It’s bigger, and more stiff (that’s what she said ). Btw, the photo is my SnowThrower reversible ski mounted scratchers on my Apex Tuner 2 skis. They’re on my Nytro C&A pro skis, too.

After having some cooling issues late last season, I added a cooler in the tunnel and made a vent for the hood. I’ve made another vent for the dash, but decided not to install it because it would allow air to bypass the radiator. Also made a nice long snow flap to help deflect more snow onto...

If the sled starts and idles smooth, it’s probably fine. Ask about maintenance. Oil changes, bearings, etc. make sure the reverse works perfectly, because they tend to get messed up and pop out of gear( and grind). Check the mounting tabs for the headlight, on both sides ( they break). Look...

The 120” rMotion skid is nearly a direct bolt in for 121” Fx Nytro sleds. Only the rear links on the skid need to be modified.

I have a set of SnowThrowers available if you’re interested. I make them, along with some other products. PM me so we don’t bog down this discussion.

Letting air flow through the radiator is key. BOP’s secondary fan kit would definitely help. I’ll be adding it IF I have any cooling issues this season.

I had some cooling trouble riding slow (30mph tops) while my son got comfortable on his first big sled. I started to look at options, and felt that adding the vent below the headlight was a good idea, but the dash vent was a bad idea, because it would let air bypass the radiator instead of pass...

Do I win a prize for the lowest mileage? My 2006 Apex GT has about 2800 miles.

I’m pretty happy with these reversible snowthrowers