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I am looking at getting a sled dolly for moving sleds around, and i also want it to be able to work with my nytro, as well as older sleds too. What are you guys using? I was looking at some, and i don't want it to wreck the side panels, or have that thing fold into pieces with the weight of the...

Hey, I spent my entire lunch break trying to find a post about changing the idler wheel and torsion spring mount on the front of the skid, to match the newer models. I know someone had posted pics and a complete list of parts needed to do this. If someone could post a link to it, or can list the...

I saw that weldion's ttx has the shock flipped up on his nytro. Is this as simple as taking it apart, flipping it, and putting it together again? Id like to do that with mine so it doesn't keep rubbing the track. Not sure why Yamaha decided that .01" of clearance between the shock and track was...

Does anyone have a map for a PCV that has a full exhaust (I have an Excell) and a stock air box? I have K&N's on my sled now, and I want to put the stock air box back in and try it. The K&N's have a lot of intake noise, and I would prefer to not have to wear ear plugs when I go for a ride.

I'm thinking about selling my Nytro. Took a job in Washington, and I won't be able to ride it this winter. I'm thinking I might sell this, and buy a new Viper next year. The profile has everything I did to it. If anyone is interested, let me know. Stupid phone won't let me upload a picture. I...

I've heard that Polaris idlers will bolt right in the skid. I also read on a different thread that you have to machine some of the parts. Is there a direct fit for Polaris wheels? If so, does anyone know what the part number is?

Has anyone put an analog tach on their nytro? I think this would be cheaper than trying to find a vector gauge for it. I would think that you could hook into the wire in the harness that goes to that pathetic thing the call a gauge...

Has anyone put an analog tach on their nytro? I think this would be cheaper than trying to find a vector gauge for it. I would think that you could hook into the wire in the harness that goes to that pathetic thing the call a gauge.

When I ride my sled for a while and then shut it off, smokes comes through the dash by the steering stem, and now yesterday I noticed some smoke coming up through the dash behind that calculator screen that they call the speedo. I first just thought is was steam from snow dust hitting the...

Are the performance gains from the Hurricane air box mod about equal to the gains from the K&N's? Also, does the air box mod have a ton of intake noise, like the K&N's do? I would prefer to ride without wearing ear plugs. It's not that the intake noise is loud, it just gets rather annoying after...

Has anyone ever shortened a XTX back to a 121"? Would a RTX skid bolt in?

I am going to be drag racing this weekend on snow, and I am wondering if anyone has any good weight transfer ideas, gearing changes, etc... I think the track should be about 500'. The sled is unstudded and had the factory 1.25" junk-saw track yet. Track changing is out of the question. I...

When I slow down, and make a hard corner or turn around to go back the direction I came from, my Nytro sounds like it's running on 2 cylinders, instead of all three. If I hit the throttle quick and let off, it goes away. I am thinking it has something to do with the engine braking reduction...

I dynoed my sled today. Here is what i got... 150 hp @ 9000 rpms & 90 ft-lbs of torque @ 8300 rpms. Full excell exhaust, PC5 and K&N's. Are my mods worth it? Thats for you to decide. I have to tweak my clutch, since it pulls at 8300, instead of 8800 - 8900, like it should. I promised dyno...

I have a stage 1 kit that I need to install, and the sheet comes with the kit says it's set-up for a 195 lbs rider. Unfortunately, with gear, I weigh 225. Does anyone know what changes I have to make to the weights to set it up for my weight? Or is the 195 lbs rider setting a good overall set...

I installed my filters, exhaust, and fuel controller on Saturday, and when I pin the throttle from a dead stop to maybe 1/8th throttle or so, my sled misses once or twice. Is this a lean condition causing this? Once my RPM's are up, it goes away and pulls really good. I switch my gauge over to...

Does anyone have a 100% stock Nytro, near Medford, WI, that is willing to have it dynoed? I need a stock one to use as a baseline, to get a close comparison against mine with my "go faster" parts installed. I will cover all dyno costs. I've been talking with the guy that is going to do the test...

I just ordered up a full Excell exhaust with plastic, K&N's, Power Commander, and a clutch kit from Excell motorsports. The guy said the clutch kit was Ulmer's ;)! I am wondering who has the same set-up, and if they were happy with the money they spent on it??

What octane rating is everyone running in their Nytro's? I've always been running premium with no ethanol, but some people are telling me that i may be losing a slight amount of performance cause the Nytro is designed to run on 87 octane. I'm guessing that the engine must have an ethanol...

Does anyone have the PowerMadd handguards with the snowmobile mount on their Nytro? I'm thinking about getting some to replace the blah looking stock ones, but I don't really know how well they fit. Also, had anyone used the flex mount they have for the snowcross/motocross handguards? If so...