There are lots of three cylinder engines … but cranks are at 120 degrees, not two opposing one. I guess you create a flywheel that might offset this balance. But as drawn it would probably jump around like drunk jack rabbit that’s been goosed.
2 Likes
I took artistic liberties…but yeah, the drawing shows one piston at 45 degrees from the other two. It would be a bit Shakey 
2 Likes
I had the speed triple or the geo metro in mind
1 Like
A motorcycle with that engine had best be sold as the “Buckin’ Bronco”
1 Like
i hear ya. its a little biker gangish. unfortunately i left that file on my other drive. i can look at it on monday.
I really dig the more basic sketch with the “Racing” lettering.
1 Like
