This guy is running a Yamaha Geneis 150HP snowmobile engine in this Gyro

[cmharcou]

http://www.youtube.com/watch?v=0Eq-G27jy5A&feature=related


I thought I was a risk taker.

 

[cmharcou]

Oh next video shows it a 120HP carb yamaha 4 stroke. Probably off an early RX-1.

 

[G]

The RX1s were all 140 horse 4 bangers.

 

[rsvectordude]

It's a vector motor he's on totallyamaha....