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  1. upei93

    MPI quick spool waste gate bracket

    Looking for an MPI quick spool bracket or bracket and waste gate.
  2. upei93

    Speedo not working

    I had to change my chain case cover last year because drive shaft wore through…cleaned up magnets reassembled and plugged into new speedo sensor that came with used cover and now everything on gauge works (rpm, alt, water temp ect) but speedo stays at 0. Was in there again this year and all...
  3. upei93

    Hopefully problems solved...

    I was lucky to get 10,000 + miles on my first drive shaft but it was time for a new one as my bearing was getting pretty loose in the shaft...went with a new SKF double sealed bearing, Precision EFI driveshaft saver and new shaft from Yamaha...hopefully problem solved.
  4. upei93

    MPI blue silicone vacuum tubing question

    Can anyone tell me the size of the blue silicone vacuum tubing hose which goes to waste gate ? 5mm?
  5. upei93

    MPI Intercooler help

    Finally found an intercooler for my 15 Viper XTX and plan is headshim and Studs next year but want to install intercooler and quick spool waste gate this year…Question I have is the intercooler comes with the high flow billet blowoff valve, and my understanding is there is a already a blowoff...
  6. upei93

    Speedometer/Altitude problems

    2015 Viper XTX LE One of my speedo magnets worked its way out and wore a hole in my chain case and caused the speedo sensor to short out blowing fuse which took out my gauge and tail light. Bought a used chain case cover with sensor and cleaned everything up and installed and replaced burnt...
  7. upei93

    Looking for Map/AFR table

    I have a 2015 Viper XTX LE with MPI 180 turbo with D&D can, SLP Header and I want to ditch the GEMS. I picked up a used PC5 pti this summer and loaded one of Ulmers maps on it supposedly for the above mods. I also bought a autotune, 430 cc injectors (green ones) and a pod 300. Hooked everything...
  8. upei93

    Quick spool bracket

    Anybody know where I can get a bracket for the mpi kit that would fit one of these?
  9. upei93

    High AFR at idle

    Since I got the new flash my idle AFR is very high...when real cold start idle is around 1800 and AFR after guage warm up is in the high 12’s which is good (MPI says can be as high as 14.7). Problem is as it warms up rpm drops to 1500 and my AFR readings climb...flashed 17 yeasterday...but as...
  10. upei93

    Hand warmers

    I'm looking for help with hand warmer wires on the viper/pro cross handlebars...I have green, green white and green blue wires...can anybody tell me which ones are high, low and ground? I can't read my viper wiring diagram and I can't find my cat one...Thanks!!
  11. upei93

    Exit X1 rear shock installbcite

    I bought a used Exit X1 rear shock for my XTX and I can’t find any install info on their web page...does anyone have a picture of one installed on a XTX? Is the reservoir up or down? Thanks! bcite? Not sure where that came from lol
  12. upei93

    Too late

    My Nytro never did this but it handled like crap compared to my viper...always a trade off. Hope the new spring fixes the problem...pulled the skid twice last winter and all was good...check yours!
  13. upei93

    Broken pivot arm

    Anybody else break one of these?
  14. upei93

    D&D vs MPI can

    Thought I would take some pics of both cans while beginning my summer mods... D&D
  15. upei93

    Starter #2

    Doesn’t look good!? Thoughts?
  16. upei93

    Jackshaft won’t release

    I can’t get these threads to tap in to release jackshaft...I’m starting to really hate Arctic Cats! Any tips?
  17. upei93

    Chain case

    Seeing that I can’t run my sled before adding oil to make sure reverse works (like I could on my nytro)...do I have this togeather correctly? I think I have the reverse figured out but not 100% sure.
  18. upei93

    Chain case picture

    can anybody post a picture of the inside of the chaincase with everything in place...when I removed the oil tank cover a bunch of things fell and I want to be sure everything is good. Thanks!!
  19. upei93

    Chaincase wear

    Anybody ever see this? Should I be concerned?
  20. upei93

    Chain case ?

    Going to be going in to my chain case to do drivers and top gear and want to have everything set...should I replace all bearing in there with these or will I be ok with stock? 2015 mpi 180 with 3000 miles. I'm having a hard time finding the fag bearing.


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