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I've got the same bottoming out problem. I even bent the exhaust tip in the first 100 miles :( I tightened up my front springs 5 turns because that is the only field tuning option... but the spring rate is obviously unchanged and tightening the spring only changes ride height and increases...

Same as me. Hoping it gets better to 15mpg as sled breaks in.

The main purpose of the magnets is for the speed sensor glues onto the outside of the chaincase... fyi. I have my whole case apart to swap my track. The gasket is at least an o-ring design which makes it re-usable. Change your chaincase oil at the end of the first season when you do your...

Overall, I like the Viper. Have the SR Viper with front coilovers CONS: Serviceability compared to a traditional Yamaha 4-stroke is awful in my opinion. Changed headlight bulbs, swapped track... these were very complicated tasks that should not have been. Changing bulbs should not...

YamaTim... great advice, I agree. I cleaned the rotor with brakeclean as soon as I brought the sled home as part of my "new sled prep". However, I did not scuff it up. I will probably do that next in an attempt to better seat the pads into the rotor... kinda like the crosshatch on a new...

My brake squeaks at low speed... Braking at trails speeds is smooth, but while slowing down to a full stop, it consistently squeaks from about 20mph down. It started after the first 50 miles and hasn't gotten any better. No anomalies found other than the brake pad clip was a bit bound...

Let's start a brake squeak thread so we can collectively solve the problem. I'll start in the first reply...

Had a track swap party with my buddy today... We mixed up some parts. It's going to be an interesting season!

I appreciate the response. I definitely understand what you explained about the potential timing issue. What can you tell me about the clearance of the extroverts? Will I have to shorten my rail tips? I assume not since the 2010's have them. Finally, have you seen good longevity of...

To Port: Can you list the 2010 parts necessary to upgrade my 2009 Nytro RTX SE to the extroverts? I already have a fully clipped Ice-Ripper XT track, so I just need to know the parts list for the driveshaft conversion. Does Yamaha offer the whole shaft subassy? Thanks!

I too have an oil leak. My opinion is that it's coming from the oil pan. All my bolts were loose. I made an attempt to re-torque them, but absolutely cannot get access to the top center 4. The strengthening plate on the 2009 subframe is in the way. I might drill 1/4" holes thru the plate...

I had an adventure this weekend... I flew off the trail and into a 4ft deep ditch. The conditions were very rough with a loose top layer, but my 09 Nytro SE seemed much too unstable even for these conditions... Well, I found the problem, picture attached. The right side upper A-arm bolt...

The brochure has a whole new look, style and size compared to previous years. A short story regarding Bob Davis' 36k mile record is in there. About ahalf of page is dedicated to that story and he is pictured next to his sled. There is a lot of the new Klim gear shown on the various...

In 2007, Yamaha offered the 2007 bar upgrade to all customers at cost. The price was $25. They set a precedent then and the best case scenario, in my opinion, is that they offer something like that to previous year owners. It is unlikely that Yamaha will recall handlebars. It is not...

This windshield is called, "Flexy-Fibre Windshield" Yamaha will be offering this and the white camo "Snow Hunter Custom Body Panel Kit" in 2010. I just picked up a 2010 model year brochure from the Snow-X in Farmington, NY this weekend and both these accessories are shown on the back page...

Wait until next season and buy the new yamaha factory extroverts being offered on the 2010 SE.

One more change not mentioned, and perhaps the most significant, Extrovert Drivers and a fully clipped track.

Greg, 09 FX Nytro RTX SE

Typically the 3rd element of a Yamaha P/N is a configuration code. For instance, a colored part will have the same P/N except the blue version might be a -00, the red a -01, the black a -02, etc. For a hard part like a shaft, they might have changed a plating spec, a tolerance, a metal alloy...

No, I don't carry slides with me, but that day I wish I could have! On a big Tug Hill hit, I bottomed out and my rails slightly bowed out right where the rear arm hits the bump stops and it caused excessive wear (~40 miles before aluminum was showing) I loosened my track and rode to Barrow's...