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  1. Norse

    2020 Sled Season

    My last ride of this season ended too soon! Glad I got it on tape so I can enjoy it over the summer. Crazy deep almost pure powder in the hills. The season ended when an Arctic Cat shaft in the suspension broke, resulting in the track breaking. I loved the powerclaw 3" because it just kept...
  2. Norse

    reinstalled reverse motor now clunks

    I got that clunk noise because I installed it wrong the first time. Didn't know about the "1 o'clock" position and just mashed it in there. After doing it correctly there's little to no noise.
  3. Norse

    2015 yamaha viper mtx build

    Can't you access that bushing after removing the rubber covers around steering rod? Apparently you'll need a kit for the oil relocate, I'm getting one this summer. http://www.mountainperformance.com/Files/Download/hsk-1160_Layout.pdf An image needs to be resized to 1024x768. I use the...
  4. Norse

    2015 yamaha viper mtx build

    Some ideas: More venting. Longer straps instead of moving center spring? Increase pressure/tension on center spring. Ice Age rails. Make sure it's compatible. I couldn't fit front boggie wheels or anti-stab wheels on mine. 10" rear wheels. Snowflap delete is ok as long as you have enough powder...
  5. Norse

    Backfire Issue

    Did you uninstall the header? See any black spots anywhere around the exhaust system? Check spark plugs condition? Cover up the "tailpipe" and see if exhaust appears elsewhere or if the engine dies? Mine suddenly lost all power but I had a big crack in it so I installed the SPI header. BUT I...
  6. Norse

    2020 Sled Season

    OOH that kind of lynx. They're so rare over here they show up on the news if one's spotted. At least you got a lot of miles and a lot of experience. Good luck next season!
  7. Norse

    2020 Sled Season

    Norse.
  8. Norse

    2020 Sled Season

    Update: The trail through town follows a river that you can now ride canoes in. Temps down here are just below freezing point and the snow is starting to act funny. For some apparent reason the trails ON the mountain are closing this weekend. I have yet to see an avalanche probe long enough to...
  9. Norse

    Too high RPM!

    Yeah same goes with the voltage rectifier.. Probably less prone to condensation buildup!
  10. Norse

    Too high RPM!

    Ok same as Viper.
  11. Norse

    Too high RPM!

    I'm in Norway, but not at that shop. My shop is only an hour away. I'll ask for the correct price tomorrow morning. Do you want weights price included? Wonder if the reflash prices vary that much, but worth finding out. Gotta remember the shipping prices come too. Ecu is located in the nose...
  12. Norse

    Too high RPM!

    Dealer said current kit could be remapped, but cheapest would be a new map. They'll supply the weights and find a map that fits the straight pipe. My plan was to make this cheaper, as it obviously costs a lot more handing it over to the shop. Any cheaper suggestions?
  13. Norse

    Too high RPM!

    StevewithOCD what O? And what hole #? Thing is, the owner IS old school. He doesn't want the fancy new displays that he can't understand. He wants more noise, and a little bit more punch. I tried to talk him into getting a remap, but the cheapest alternative would be to have the current map...
  14. Norse

    Too high RPM!

    Clutches seem to be stock with the Yamaha "8MA00" stamps. Helix looks like a Hurricane, but I couldn't find the angle numbers (checked everywhere but inside) but it has the number "1148" on the front. Primary has a black spring, secondary has a white one tensioned at 0 out of 0-3-6-9. Owner...
  15. Norse

    Too high RPM!

    The tune is done by the shop, doesn't have a brand. Muffler wasn't stock, but a modified version. I've never seen an AFR problem with straight piped sleds, and I've been told it wouldn't be an issue. IF the spark plugs tell me it's running lean I'll take a look at some remaps. But right now I...
  16. Norse

    Too high RPM!

    Friend of mine has a Sidewinder BTX 2018 with 225HP, and some sort of clutch kit. I just put a straight pipe in for the heck of it. Problem is, now it peaks at 10100 RPMs! I'm no good with clutches, so I want a lesson on it. Wondering if I can adjust the secondary spring angle and not touch the...
  17. Norse

    Viper Track Alignment....

    You're obviously not selling it because of the track alignment. What don't you like about it?
  18. Norse

    Nytro turbo slow acceleration

    1 bar is good. Keep an eye on the boost at all times. Be sure to check those intercooler hose clamps if you lose boost next time. I blow my intercooler off all the time but it's because the hoses are too short, and the clamps aren't strong enough. Is the wastegate actuator close to exhaust...
  19. Norse

    Viper Track Alignment....

    I've never gotten it 100% right, but I've always had 2-wheel setup at the rear. You could x-measure the tunnel and the boggie in case there's something off there. I never worry too much about this, I just align the rear so there's minimal amount of wear all over. My driver wheels have been worn...
  20. Norse

    Viper MCX 270 AVgas

    I've heard only positive things of it being used on boosted 4-strokes. MPG hasn't decreased noticably on the boost I'm running now. What did you have to modify to make it run on that boost? Shop said my mcx box supports 290hp. Just wondering how much boost that is.


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