- Joined
- Apr 17, 2003
- Messages
- 5,466
- Reaction score
- 1,262
- Points
- 2,003
- Location
- Menno, SD
- Website
- www.ulmerracing.com
- Country
- USA
- Snowmobile
- 2014 Yamaha SR Viper LTX, 2014 Yamaha SR Viper RTX SE, 2015 Yamaha SR Viper MTX SE 162 (turbo), 2015 Yamaha SR Viper MTX SE 153
- LOCATION
- Menno, SD
- WEBSITE
- www.ulmerracing.com
Topgun said:Are your kits capable of more boost when nessary? Head shim also I presume?Srxspec said:I will have some vid and details about our kit after this weekends last ride before it gets switched over to the asphalt. This is setup and designed for the trail at 8 lbs of boost with instant throttle response, fuel and ignition mapping changes, etc. Details to come sometime next week.
Standard setup will be 8 lbs of boost on pump gas with no head shim. You will be able to push up to 12 lbs of boost but will need a good race fuel mix for that boost level.