Tag Archives: AHRMA
Here are photos of some great racing kits for historic two strokes by Jeff Henise.
Dustin Johnson’s Highwayman-powered Yamaha CT1 GP200 road racer.
Achieving a specific tuning goal with pipe design. The goal was to achieve equal or greater power while moving the red-line from ~13,000 RPM to a max of 11,000 RPM. The pipes on the bike kept wanting to pull way past 11000 RPM, and the owner wanted to keep the power below that to preserve crankshaft life, while not loosing race winning power!
October 20, 2015
AHRMA, Custom Ignitions, Expansion Chambers, Featured, GP200, HPI ignition, Kawasaki, Kawasaki F3, Kawasaki F7, Metal Fabrication, Uncategorized, Welding
This is Part II of the F37 story that covers the design and fabrication of the thin wall chromoly road racing chassis. Construction of the engine and some racing footage aboard the finished bike can be found here in Part I.
This story highlights the creation of a road race engine from the fusion of two different enduro motors, as well as the design and fabrication of a custom racing chassis to house the “franken-motor.”
