07. The new Primo transmission was then slid into the frame rails. This was where we hit a bit of a snag.07. The new Primo transmission was then slid into the frame rails. This was where we hit 08. The oil pump on the Evolution motor interfered with the front mount of the Primo six-speed trans case (arrow).08. The oil pump on the Evolution motor interfered with the front mount of the Primo six- 09. We had to clearance a 1/2-inch section of the front trans mount with a die grinder to get it to fit on the older motor.09. We had to clearance a 1/2-inch section of the front trans mount with a die grinder to 10. Once the trans case was modified it fit without any further issues. 11. We then tightened the front mounts to factory specifications. 12. The swingarm was installed and checked for proper articulation. 13. The swingarm axle was properly tightened and the six-speed conversion was done.13. The swingarm axle was properly tightened and the six-speed conversion was done. 14. As you can see the new transmission had plenty of room in the old frame and looked like it could have been the stock transmission.14. As you can see the new transmission had plenty of room in the old frame and looked li Sources Harley-Davidson of Anaheim Fullerton (714) 871-6563 harleyfullerton.com Rivera Primo (800) 872-1515 primobeltdrives.com « | 1 | 2 | View Full Article By Jeff G. Holt Enjoyed this Post? Subscribe to our RSS Feed, or use your favorite social media to recommend us to friends and colleagues!