Allen's off road machine is powered by a 2001 Yamaha R1 motorcycle engine. A Tremec T-5 transmission was mated to the R1. This give a 47 to 1 low gear, when both the R1 gear box and the T-5 transmission are both in first gear. A narrowed 7.5 Ford rear end puts the power to the ground.
|Front view||Side view||rear view|