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2017-2018 RMSHA Hillclimb Season just finished up with great results posted by the talented Team Ski Doo racers laying down great runs all season long on the TMS-G4 927. Jackson Hole Wyoming March 25th 2018. 2nd for Tom Roby in Pro Masters Improved 1000. 2nd for Jay Mentaberry in Pro 1000...

New take off p-drive with clutch bolt included, Less than 5 miles, $ 850.00. As new inner sheave (smooth) off 600RS that can go on 800 etec or any other non 850 vehicle. $150.00 Combination of both pieces allows use of drive clutch on many vehicles. Plus shipping costs. Dave Trygstad

Have a brand new 165 3 inch track we took off a 2018 G-4 Summit. $ 1,000.00 plus UPS costs. Dave Trygstad 507-281-3545 Evening is best when it quiets down. SOLD.

Back on again the Summer sale event on the Proven TMS 872 Big Bore for the 800 Etec and R vehicles. We are in our 8th season building the best big bore in the game for the 800 Etec Engine package, 11 years on the R engine package. Give us a call or email for more information and pricing to...

Great article from the crew at Sno West in the January issue on the Project Sled Steel Rain the TMS 872.

SNOWEST PROJECT STEEL RAIN Newest magazine review of the Project Sled of the Year TMS 872 Great article and review. Dave Trygstad Trygstad Motorsports Your Leader in Rotax Performance and Development.

Our shop 2015 174 T3 872 for sale , Sled is as new condition as this was a test vehicle for us and has very little use. Has the latest TMS 872 specs done and has Power Commander PCV with our specific program, Latest porting and head changes just completed with fresh pistons-rings, Y-pipe...

Less than 2 weeks to the 50th annual Haydays event. Trygstad Motorsports will be in space FB1A just inside gate #2 and by Levis jump site that takes place Saturday afternoon. Stop by and see our complete product line of Rotax Engine Products we produce and also our fleet of Summit 872...

Summer is here- Sale on our 872 Kits for both the Etec 800 2011-2017 and the 800R 2007-2016 is now on through Haydays Event. Give us a call for all information and pricing on our line of products, Looking for a installing Ski/Doo BRP dealer? We have over 100 of them selling and installing our...

The talented crew at Star Valley Ski Doo in Thayne Wyoming just completed this new video with the SnoWest 872 Project Sled which they have built and tested the past 3 months, Great job as always, Mike, Delmar, Greg and Crew. Dave Trygstad https://youtu.be/I-migR9NTIs trygstad 872 vs 800...

TMS will be attending the 40th Annual World Championship Hillclimb event with a trailer-vendor space on March 24-27th showcasing our Proven line of Products for the Ski Doo Rotax engine platform. We will have on display the SnoWest Sled build of the Year the TMS 872 163 T3 along with our Shop...

Our 872 Etec Big Bore Kits are stock and ready for exchange and or outright purchase for all years 2011-2016 with a wide range of build specs and compression ratios available. If you have a high mile Etec and looking to update to a new long block with the 872 already installed we have them...

SnoWest Magazine just announced that the SnoWest Sled buildup of the Season will be a 2016 163" T3 with a TMS 872 Big Bore kit installed with a few other select Mods being done also. We will be personally involved in this featured sled project and will have many more updates and rider reviews...

SnoWest Magazine just announced that the SnoWest Sled buildup of the Season will be a 2016 163" T3 with a TMS 872 Big Bore kit installed with a few other select Mods being done also. We will be personally involved in this featured sled project and will have many more updates and rider reviews...

New Y-Pipe is now available for our 872's both the Etec and the R Engine packages. Dimensions have been tweaked and the inside is hand finished for a smooth and weld free finish along with ceramic coating both the inside and outside of this great bolt on for our proven line of 872 Big Bore...

New developed Y-Pipe is available now for the Best Big Bore on the Planet the 872R and 872 Etec engine packages. We have spent a lot of R&D to come up with another add on for our 872 engine packages with the dimensions used as well as hand finishing the inside to our standards and also Ceramic...

July 15, 2015 Trygstad Motorsports Summer Discount program on our 872 Big Bore packages is here! We have in stock 2016 872 Etec packages for exchange or purchase outright. Many updates have been applied over the past few months to our proven line of Rotax Performance products for the Summit...

July 15, 2015 Trygstad Motorsports Summer Discount program on our 872 Big Bore packages is here! We have in stock 2016 872 Etec packages for exchange or purchase outright. Many updates have been applied over the past few months to our proven line of Rotax Performance products for the Summit...

We have new 872 build 2015 ETEC and R long block engine assemblies in stock for sale and also for a trade in program for your older 800 Etec or R engine either running or not. Great way to get the 872 BIG BORE with all brand new parts assembled ready to bolt in and run! Call for pricing on a...

Here at TMS over the past month we have been knee deep in our 872 engine builds with the new 2015 800 Etec models and have found some very interesting parameters with the newly done cylinders and head castings. Working our way through over a pallet of shop inventory cylinders and a large volume...