mpi turbo

Hey all, Season 2 for me on a 15 Viper MTX 153, with MPI 190 full kit. Last year she caught fire :). This year she blew the factory track out. I bought a used replacement track I plan to put on as it is very hard to find a new track currently, at least in my area in Maine. It will be my...

Hey, New to this site, and to sledding. I am on my 2nd year of sledding, I know the basics for maintenance and how to handle a 2 stroke sled. With going from that to a 4 stroke sled is there anything I should keep an eye out for? Anything I should do differently if the sled flips other...

If you guys had to choose between a 14 LTX SE with a MPI trail Turbo or a 15 LTX SE with the full EVO Stg 4 setup with full exhaust, which would you choose? Both have about 5000mi and both have Big Venom clutch kit. 14 Turbo is $1000 more. As a side bar I had a 15 LTX Viper and a 17 LTX Winder.

I got a great deal on a new MPI 190 kit on eBay for my 2014 viper xtx and I'm making sure I order everything I need for the install. I've read just about every turbo thread I can find on here but I just want to get a little advice. I'm new to turbos but I've worked on my sleds for years and...

We have developed an all in one speed upgrade for your MPI 190 turbo SR Vipers. This kit includes a new lower gear, hyvo chain, machined helix with overdrive acceptance, secondary spring (set at 3-3), and secondary washers. We have seen drastic improvements over stock gearing/clutching as this...