The CR750 used an exotic set of Keihin CR35mm smoothbore cabies which
were handmade for a limited number of Honda factory racers
used at Daytona. Not many Honda 750 racers could afford
or obtain these carbies and relied instead on standard Keihin CR carbs.

Specs:
Engine: Four-stroke SOHC transverse four cyclinder
Bore and Stroke: 61.5mm x 63mm
Displacement: 737.4cc
Compression ratio: 10.5:1
Ignition: Kokusan energy transfer
Carburation: 4 x 31mm CR Keihin

Transmission:
Gearbox: 5 speed
Clutch: Multi-plate oil bath
Final drive: Chain