Crankcase Polini empty MBK 51

Crankcase MBK 51 Polini

Racing crankcase for MBK 51 moped.

Contents Polini engine case:

• Crankcase halves right + left
• Intake manifold 12 to 15 mm
• Intake manifold 17.5 to 21 mm
• Reed valves with carbon blades (4 reeds)
• Gaskets and screws
• Stud bolts M7 x 125

Without cylinder studs (M7x125mm ref: P317.0103) and bearings / oil seals!

The case is also available as a complete crankcase with cylinder studs, crankshaft bearings and seals.