Tech Talk

VF4l

Reed Valves

Reed Valves & Modifications Tony Doukas Racing has been Marketing reeds worldwide since 1980. We...
cpic1

RZ 350 Crankcases

TDR now has available Sand Cast, Die Cast, and Billet versions of the RZ 350...
cr2

Crankshafts

Below is only a small part of the overall knowledge and documentation of crankshaft related...
dyno1

Dyno Testing

To test any engine on performance and compare results between dyno runs a strict data...
p25

Clutch

There are so many different clutch designs so I will cover just a few that...