Bonneville Stories Part VIII “Gates 158 Cubic Inch Monster V-Twin Motorcycle”

Greg Gates of Gates Performance Engineering in Laingsburg, Mi, specializes in performance of the hand made variety.

A former GM design engineer, Gates designed and machined the 230-plus hp engine
that set a new record of 171.252 MPH at Bonneville.

The monster 158ci motor looks like a Harley on steroids. I can run it at 110 mph and
crack the throttle and smolder the tire! says Gates.

The engine has a 4.6 inch bore, a 4.75 inch stroke, titanium valves, billet cylinder heads (milled from 50-pound aluminum blocks, aluminum connecting rods and pistons fabricated from blanks both used in NHRA pro stock racing motors. Gates builds high-end custom and racing motorcycle engines that will sell for $9,000 to $32,000.

Duration : 0:5:24

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