Graham industry TVR1

Bi-cylindre avec inversion de marche Hackworth.
Environ 8cc

Ce moteur est disponible en deux versions.
La première sans roulement : TVR 1 ---> Twin Vertical Reverse.

La seconde avec Roulements : TVR 1 ABB ---> Twin Vertical Reverse Ball bearing.

Dimensions:Base: 3.000” x 1.844”
• Crankshaft end-to-end: 4.344”
• Crankshaft end diameter: 3/16 (.1875”)
• Bottom of base to crankshaft center: .469” • Height: 3.375”
• Weight: 323gBall bearing version of our TVR1A. Four (4) shielded ball bearings replace the brass sleeve bearings on the crankshaft/base assembly resulting in much lower friction as well as fewer parts to wear over time.