Take from American Snowmobiler
Updates that you may want to be aware of!!
800 H.O. Cleanfire Engine Update
- New thermostat provides:
- Improved MAG end seal provides better sealing and increased durability on both 600 and 800 H.O.
RMK Monotube Shock Updates
- 2018 RMK Monotube Shocks will feature all new valving with “Hi Flow” Walker Evans pistons on the Front Suspension and Rear Track Shock that delivers less bottoming in the big bumps while maintaining a supple feel on the trail.
SKS 146 Track Change - Peak 2.25” changing to the Series 5.2 2.25”
- The 2018 SKS 146 will come standard with the new Series 5.2 2.25” Track. The Series 5.2 provides great traction both on- and off-trail while having excellent durability. It is modeled after the modified Series 5.1 that the Polaris’ Championship Winning Hillclimb Team uses to dominate the RMSHA circuit.
800 Switchback Assault 144 with E/S and Series 4 2.0 Track
- Based on feedback and requests, Polaris is now offering an in-season, stocking model 800 Switchback Assault 144 with the 2.0 track and electric start.
More from American Snowmobiler
Updates that you may want to be aware of!!
800 H.O. Cleanfire Engine Update
- New thermostat provides:
- Lower operating temperature, 110º F (43.3º C) vs. 125º F (51.6º C) for improved overheat margin and more-consistent engine operation
- Increases main circuit flow by 12 percent; Increases bypass flow 9 percent
- New thermostat will come on all 2018 snowmobiles with the 800 H.O. Cleanfire engine.
- Improved connector
- More-durable sensing element
- Matched to new ECU
- Improved MAG end seal provides better sealing and increased durability on both 600 and 800 H.O.
RMK Monotube Shock Updates
- 2018 RMK Monotube Shocks will feature all new valving with “Hi Flow” Walker Evans pistons on the Front Suspension and Rear Track Shock that delivers less bottoming in the big bumps while maintaining a supple feel on the trail.
SKS 146 Track Change - Peak 2.25” changing to the Series 5.2 2.25”
- The 2018 SKS 146 will come standard with the new Series 5.2 2.25” Track. The Series 5.2 provides great traction both on- and off-trail while having excellent durability. It is modeled after the modified Series 5.1 that the Polaris’ Championship Winning Hillclimb Team uses to dominate the RMSHA circuit.
800 Switchback Assault 144 with E/S and Series 4 2.0 Track
- Based on feedback and requests, Polaris is now offering an in-season, stocking model 800 Switchback Assault 144 with the 2.0 track and electric start.
More from American Snowmobiler