yardman sled jLO Rockwell engine L 99 cylinder 0990700312  vintage snowmobile motor cuyuna

Glorious 1970s JLO Rockwell L 99 cylinder for Yardman Snow Wheel. Part number 0990700312. Stock 1  SKU – 45. Pic – 1970 JLO L 99.

This original JLO Rockwell L 99 cylinder is a true vintage treasure, perfect for restoring your classic Yardman snow machine. Built for the rugged performance of the 1970 era, this cylinder brings authentic power and originality back to your sled. A hard-to-find piece ready to complete your restoration the right way.