Matt and John from took off to the 10th World Honda Chopper Meet in North Carolina last week and Matt ended up winning first place, taking home a hardtail frame for his next build.
This is what his winning CB750 chopper looked like when he got it. The frame is a 1971 Santee swingarm.
Here is what the bike looked like when Matt was done with it:
The Santee swingarm frame has a 51.5″ rake in the neck, 5 more inches in the girder, and has a 40″ neck height. Right, Matt?
A 10 over P&P girder was modified with 1.5″ longer control arms and it uses a 13.25″ Sportster shock so the control arms would sit level at a 48 degree rake angle. Really?
The 50″ girder is 22 over and the bike is 10’4″ long. Sheesh. Trade my scars for yours.
Tires are Metzeler, 90/90-21 up front and a 180/55-18 at the rear.
The motor is a 1978 CB750-F with a back-cut transmission, polished crankshaft, Cycle X super rods, Wiseco 836 forged big bore kit, decked cylinders, and a Stage II MRieck ported and decked 1976K head giving the engine 10.9:1 compression. if you dare ride it, you’ll discover its 33.5 mm OS intake valves, HD valve springs, an adjustable cam sprocket, a Yoshimura Daytona race cam, and stock carbs. A Barnett clutch and spring set were installed along with a 17-tooth front sprocket and a 46-tooth rear sprocket to finish up the driveline.
The ignition system is a rebuilt ARD Engineering magneto with a clear cover so you can watch the gearbelt whiz around. The exhaust is a 4-2 turnout made from a set of drag pipes and some aftermarket mufflers. Bastards. Scavenged handmade s**t.
There is much more to this bike, but for those of you into radical CB750 choppers, it doesn’t get much more radical than Matt’s machine.