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Has any one tried this? I am curious if it would fix oil leaking on roll over, oil light on when climbing issues of the viper. Plus you would get better approach angle and 8 tooth drivers.

First ride on my viper after I put a power commander on. Got commander used with ulmer tune in it. Way snappier than the gems. At 6 psi it sputters after I hold it open for a bit. So I tried 5 psi same thing. topped up oil thinking it was the oil light same thing. Sounds like its hitting rev...

So I installed my power commander today and there is a jumper for the o2 senor on the exhaust. So does that mean I can run av now that I wont mess any sensors? 2015 Yamaha viper mtx mpi turbo.

looking for some info on were to start on clutching. Sled is 15 viper mpi turbo at 6 psi ulmer tuned power commander, ride 2500'-7500'. I have soft start spring from barn of parts. Looking for what helix and secondary spring to try and what weights. For climbing and boondocking. I currently have...

Looking for info on how to check voltage on 2015 Yamaha viper mtx with mpi turbo. Have had a lot of problems since I bought it and looking for some info. Had an older tread but gonna start from scratch at were I am. Boost is too high at lower elevation and drops as I go up in elevation (seems...

Did have a thread but starting a new one because its not backwards its just not boosting at altitude. Yes I have contacted mpi and dealt with them. 2015 Yamaha viper mtx mpi 190 kit. So far no boost leaks, eabc and gems has been tested. Turbo has been tested and run on another sled. I bought a...

Looking to do some clutch changes. 8bu weight 17.2 inner,13.9 outer. 14.5 rollers, blue/white/blue primary spring. Stock 47 deg helix set at 6&1 with white/white spring. Ride 3000'-8000' and hitting rev limiter on take off, and pulling down a bit on longer climbs. Do you think this is enough finish?

Well after getting my problem figured out I finally got to run the straight pipe I made for my 2015 viper mtx 190 mpi turbo. The sled was weighted a bit heavy when I got it but now it spins 8600 rpm perfectly and boost comes in fast. Runs actually better than it did before the straight pipe. It...

Bought sled new last year at the end of the season. 2015 viper mtx 190 Yamaha acc turbo kit installed by dealer. Not a lot of snow to play with last year so now that I'm riding this is what ive noticed. Boost seems to be high at 2000' 7psi was more I dropped it. And lowers as I go up in...

Wandering if any ones breaking delta box when modding to work with CPR header mountain rideing. Had to cut out bellow turbo about half of delta box cast cross bar and a peice out of the upright that steering post attatch's to, to clear waste gate atuator rod. I'm thinking i should get some...

I have an Rx1 with an Apex rear skid,now I installed a turbo and cant stop the thing from wheeling it wasn't to bad till i took of the maverick and put on the challenger extreme ,am I going to have to change the suspension or are there any mods that will help? Thank Cory

Need help with float bowl hieght and also were to mesure from. Also what jet is next to main jet in bowl the one that is the same size as the main jet(pilot jet?).

Just got my sled out for its first ride and not so great. Idle is good doesn't load up,and after dropping the needle position one spot midrange is good too. Shows 12.8 idle no boost, between 11.8 and 12.2 at 6000rpm and at 0 psi boost but no vacuum. And as soom as you hit the gas the a/f gauge...

I have a mcx rear mount with a big bov in the front, but i'm wandering if a second one in the back would help keep the turbo spooled?

Does any one know weather apex front plastics will fit an 04 rx-1 m

I have a 04 Rx1m with a powderlite 25 turbo. I run from 2000ft to 6000ft.I'm useing 127.5 mains with the needle in the middle.The pilots are only out 1 3/4 wich helped down low,and am only running 4 1/2 psi fuel presure with the engine off.I'm also going through a tone of fuel a tank in 60k. Any...

I was wandering what belt seems to hold up the best on a turbo sled I blow mine. And if I have to buy one I might aswell buy what holds up the best. :rocks:

I got 127.5 jets but it seems that my sled is runnig rich up high. I thought it didnt realy matter on a turbo but there is a big difference in power from where i unload to where i ride. What is every one ulse useing for jets?

I have a 04 rx with a alpine 25 turbo and my milage is horable is that normal. I went through half a tank when i would have normaly used just 1 bar :o| . Thanks for any input.

Im just finished turboing my rx but now its time for track tunnel and the rest of the goodies. But was thinking will the Apex always be a better climber?