Puch 337-50 racing engines.

50cc racebikes and engines sale.

Engine: Kreidler
Transmission: 5 speed close-ratio
Clutch: Dry with straight-cut primary gears
Crankshaft: Tungsten-balanced with Samarin conrod - 39,7mm stroke
Cylinder: Watercooled Grohmann 8 port with Barikit piston 40mm bore
Intake: Discvalve.
Race ready. Video:
Kreidler 5speed race engine.

Video:
Minarelli P6 race engine. Engine: Minarelli P6
Transmission: 6 speed close-ratio
Clutch: Wet six- spring with straight-cut primary gears: 16/61 ratio
Crankshaft: Tungsten balanced with Samarin conrod - 39,7mm stroke
Cylinder: Watercooled Bidalot 7 port with Barikit piston 40mm bore
Intake: Discvalve with 28mm Dellorto.
Race ready.

Minarelli P6 engine. Minarelli P6 assembly.

Engine: Simson 541
Transmission: 5 speed close-ratio
Clutch: Wet with straight-cut primary gears
Crankshaft: Tungsten balanced with Samrin conrod - 39,7mm stroke
Cylinder: Watercooled Bidalot 8 port with Vertex piston 40mm bore
Intake: Discvalve.
Race ready. Video:
Simson 5speed race engine.

50cc racebikes and engines sale.
Engine: Kreidler Transmission: 5 speed close-ratio Clutch: Dry with straight-cut primary gears Crankshaft: Tungsten-balanced with Samarin conrod - 39,7mm stroke Cylinder: Watercooled Grohmann 8 port with Barikit piston 40mm bore Intake: Discvalve. Race ready.	Video: Kreidler 5speed race engine.



Video: Minarelli P6 race engine.	Engine: Minarelli P6 Transmission: 6 speed close-ratio Clutch: Wet six- spring with straight-cut primary gears: 16/61 ratio Crankshaft: Tungsten balanced with Samarin conrod - 39,7mm stroke Cylinder: Watercooled Bidalot 7 port with Barikit piston 40mm bore Intake: Discvalve with 28mm Dellorto. Race ready.





Engine: Simson 541 Transmission: 5 speed close-ratio Clutch: Wet with straight-cut primary gears Crankshaft: Tungsten balanced with Samrin conrod - 39,7mm stroke Cylinder: Watercooled Bidalot 8 port with Vertex piston 40mm bore Intake: Discvalve. Race ready.	Video: Simson 5speed race engine.