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  1. MCXPRESS USA

    Anybody done the MCX 240 to 270 upgrade themselves?

    I spray a little silicone spray on the inside of hose and push it on the filter. If you can't get it on you could heat the hose a little. Then putting the small size hose clamp on the same way by spraying silicone on out side of installed hose and sliding clamp on. Install the filter on the...
  2. MCXPRESS USA

    Anybody done the MCX 240 to 270 upgrade themselves?

    Bigger hose goes into fuel filter and use smaller hose coming out of filter to pump. Hope this helps Mark
  3. MCXPRESS USA

    Warning, -16 late build Viper turbo breakdowns, bad rods.

    Nytro / Viper Rod Comparison
  4. MCXPRESS USA

    Warning, -16 late build Viper turbo breakdowns, bad rods.

    New High Horsepower Rods For The Viper ! OEM Rod in Rear.
  5. MCXPRESS USA

    MCX 270 Tuning/Altitude display changing on boost?

    You can contact PG if you would like or send to us and we can install updated map
  6. MCXPRESS USA

    Mc xpress

    MCXpress USA and MCX-USA are different Distributors For MCXPRESS Sweden Products You need to contact MCXpress USA for snowmobile Turbo Kits and info @ mcxpressusa@hotmail.com MCX -USA only handles the UTV kit from MCXPRESS
  7. MCXPRESS USA

    MCX 270 Tuning/Altitude display changing on boost?

    Mcx has update map now,See your dealer for details
  8. MCXPRESS USA

    MCX 270 Tuning/Altitude display changing on boost?

    MCX just came out with some new weights, Not sure if those are the one's you have. You also can recall your max rpm on your digital gauge
  9. MCXPRESS USA

    MCX 270 Tuning/Altitude display changing on boost?

    The 270 responses is so quick when you hit the throttle it can hits the rev limiter depending on your clutching. Then you can get a back fire and not sure why. MCXpress Sweden recommends a heavy flat profile weight so it does not hit the rev limiter
  10. MCXPRESS USA

    MCX 270 Tuning/Altitude display changing on boost?

    Call me @MCXPRESS USA 406-782-2318 Thanks Mark
  11. MCXPRESS USA

    MCXpress USA Turbo Builds

    Jake Shupe's MCXpress 270 Hp Viper
  12. MCXPRESS USA

    MCXpress USA Turbo Builds

    Thunderstruck Rider Matt Losey picks up his New MCXpress Viper Must give a Big Thanks to everybody for helping support these Thunderstruck Projects. Yamaha Motor Corporation , Rob Powers, Erik Marklund MCXpress Sweden ,KLIM, Skinz, Arctic FX and more that we will name in our next builds . Also...
  13. MCXPRESS USA

    More ROV installation pic's added to the website!

    Bill Sounds like you have done your homework Sign Me Up,I want one 406-782-2318
  14. MCXPRESS USA

    More ROV installation pic's added to the website!

    Hi Bill I would think oil would still leak out the valve cover vent hose if valve is located in green box location with the MCX Turbo? Blue box area looks best to me Mark http://fourstrokesolutionsllc.webs.com/apps/photos/photo?photoid=196954284
  15. MCXPRESS USA

    MCXpress USA Turbo Builds

    Thank You MR Sled !!
  16. MCXPRESS USA

    MCXpress USA Turbo Builds

    I used the Vent kit that came with the Turbo Kit and also opened the vent on side of hood
  17. MCXPRESS USA

    MCXpress USA Turbo Builds

    174 Viper Project Cylinder Head removal to install Head shim to lower compression. Intercooler and Turbocharger installation JPS Helping out on Running Board Installation
  18. MCXPRESS USA

    MCXpress USA Turbo Builds

    Project Viper 174 is now completed and is one bad machine Can't wait to see this one ripping up the Mountains Our Viper Project moves Forward,Chad from CR Racing sent down one of his new Viper Tunnel extensions and set of his Extreme Running Boards Robbie from Avid Product sent over a set of new...
  19. MCXPRESS USA

    MCXpress USA Turbo Builds

    Inside the operating room at MCXpress USA 2015 Yamaha Viper MCXPRESS 270 Hp Turbocharger installation
  20. MCXPRESS USA

    MCXpress USA Turbo Builds

    If your leaking oil out of the tee something is not installed correctly . If not corrected engine could fail.


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