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  1. MOUNTY

    MPI PERFORMANCE INC.

    Two and a half months ago was me phoning you asking where my supercharger is!!!!!!! Pat yourself on the back if that makes you feel better Matt! Bottom line is you stated one thing and did another costing me double the price of having a functional Supercharger. I am a die hard yamaha rider and...
  2. MOUNTY

    MPI PERFORMANCE INC.

    I cant wait to hear your side of the story!! You need to focus on current needs, not some person who does not matter???? I am the customer, you are the company that requires business! You are the company that stated to me you could perform the work I asked to be done!! Your deceptive...
  3. MOUNTY

    MPI PERFORMANCE INC.

    After several month of terrible service, I have decided to post this rant regarding the service I received at MPI. March 2014 I blew my nytro supercharger up. With the assistance of my purchased phyco sled ecu programmer i was able to get it out without incident. I then looked on line for a...
  4. MOUNTY

    SR Viper MTX turbo clutching!

    What elevation/snow conditions etc.... did you test in?
  5. MOUNTY

    Blown Super Charger

    Well, after almost 4 seasons of being boosted, 2 seasons at 6lbs, 1.5 seasons of 11 lbs( high altitude). My Compressor #*$&@ a shaft! Boondocking about 3'of fresh powder.... fart, sputter and no boost! Limped her out about 15 miles back to the truck. Phoned MPI, they said if I send it in to...
  6. MOUNTY

    Drag n Fly setup for 9000' +

    empty with a 19 tooth top gear!
  7. MOUNTY

    drag'n'fly setup

    2.5 tip + long bolt/2 washers 3.2 mid + 1 washer Arm- 1 bolt 1lock/2washers Red or black spring primary, 14.5 rollers stock secondary 70 degree wrap 1-6 I believe. stock gearing 1 3/4 backcountry full excell with airbox mod, RB3 Found it.
  8. MOUNTY

    drag'n'fly setup

    If Shaddow chimes in again, or PM him. I sent him a set up I had in mine when it was a pretty close set up as yours. I only used the red spring though. If I remember correctly, each gram in the arm lowers the rpm 100? Adding weight to the tip will work as well.
  9. MOUNTY

    where is the high hp vipers?

    Im with jrusher. I went from 5-6 lbs of boost to 11 and it was like night and day in the steep and deep!
  10. MOUNTY

    NYTRO steering knuckle concerns beware

    throu Kirkdking, do yourself a favor and keep an eye on those knuckle nuts on your ZBROZ! my left hand side came off twice. They were locktite every time. I finally just drilled holes through the bolts and put cotter pins! I posted pics a couple years ago.
  11. MOUNTY

    Super or Turbo

    Can you explain how a turbo can run a higher boost than a supercharger, and not detonate the motor. If you are pushing 5pds of boost with either, would the ratios inside the motor not be the same? :drink:
  12. MOUNTY

    Clutching

    For anyone that has my set up, a good starting point for running 3000-7500 ft. Supertips 60g empty owo primary spring 14.5 rollers white secondary shockwave, 1/4 turn out stock gearing. 11psi boost :sled1:
  13. MOUNTY

    Clutching

    I am heading out to Blue River BC soon. I will be running 11psi on my Super. I have never run with 11PSI before, in the mountains, only 6psi. Does anyone have a good starting point for the clutching with my set up for 3500-7000ft soI can do more riding, not tuning? Stock gearing.
  14. MOUNTY

    Sr viper/procross chassis

    I dont think i can post what my wife says every time i sink more money into mine! Daranello:My 2009 Nytro XTX, Limited Staps, 2 idler wheels, crappy hand warmers and a new battery in 4 years and 9,000km!!! the rest is original . front end is all original with no mods So you are trying...
  15. MOUNTY

    Sr viper/procross chassis

    News flash?? I think not. The Nytro has problems as well. Everyone on here is well aware of the sub frame, spindles, front track shock, limiter straps, hand warmers, sliders, relays, ski's, chaincase drive shaft bolt, these are just to name a few. Some people need to take their heads out of...
  16. MOUNTY

    Sea Level Gems Map Nytro Stage 1 mpi 6-7 Boost

    Your A/f at light load, cruising should be high 12's low 13's. As long as you are seeing low 12's or high 11's WOT. You are good. If you want to do yourself a favor, look into Schyco Sled's Bridge for the Nytro with super or Turbo. I installed it and this is the first time I have been totally...
  17. MOUNTY

    help with rapid bike

    Do yourself a favor and just buy the Bridge system from psycho sled! Do some reading on it and you will not be disappointing. If |I was not 100% satisfied, I would not suggest it. :Rockon:
  18. MOUNTY

    Fuel bridge WORKS!!!!

    I will second this post!! I could not be happier with the A/f's, no hesitation, crisp throttle (everywhere). Good work MOTO! I was enjoying riding flawlessly for so long, I forgot to log how many miles I put on so far. :Rockon:
  19. MOUNTY

    Simmons Gen I on my 2013 XTX 1.75

    If I am not mistaken, the mounts for the nytro and phazer are different from others. PM SledWrecker, he had the same question a while ago. You will love the Simmons though! I have gen1 and 2's. No complaints whatsoever :jump:
  20. MOUNTY

    what's the best controller for a supercharger?

    Yes, that one!lol :Rockon:


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