Crankshaft -CASA PERFORMANCE, HD4 (50mm stroke)- Lambretta Lui 75 S/SL, J 125 (4 speed)

This is the HD4 STROKER (Heavy Duty) 4-speed 50mm long stroke crankshaft made exclusively for Casa Performance in Italy.
It is a special crankshaft for all Lambretta 4-speed Vega, Cometa and J125 M4 Starstream engine cases.
Please note that this crankshaft is NOT suitable for 3-speed engine cases.
Manufactured to the Casa Performance design, these race-quality plug 'n' play crankshafts feature forged cheeks, tungsten counterweights, a forged H-profile connecting rod, silver-plated bearing cages, and are extremely high quality.
Although primarily designed for the Casa Performance CP One35 135cc cylinder kits, they are also suitable for other engines.
Only minor adjustment work is required for installation in the Casa Performance HD4 STROKER.
Overall shaft width = 40mm
Stroke = 50mm
Piston pin bearing (included) = 16mm.
The Casa Performance HD4 STROKER crankshaft gives the CP One35 kit a total displacement of 141cc and increase torque and powerband!