O.S. Engines

Crankcase: 75AX

Crankshaft: 50SX-H

Cylinder Liner 91HZ-R Speed 3D

Piston/Sleeve/Rod set: O.S. SPEED R2106

Slide Valve 2 (21M)

Heatsink Head 55HZ.HZ-R

Pump Unit PD-08: FS-200S-P

Camshaft Bearing: F 40-120

Carburetor Body: #10H

Carburetor Body: 40L, 55HZ Hyper

Connecting Rod: 21VF/SE

Connecting Rod with Bearings: GT60

Crankcase: FS81 Alpha

Crankshaft: FT-120 160

Cylinder Head with Valve: FS-91-P

Exhaust Gasket: 55HZ

Cylinder Head Gasket: 25AX

Insulator, 60K

Gasket Head: 46AXII

Exhaust Gasket: GT33

Intake Pipe Left: FT-120 240

Muffler Assembly Screw: 65AX

Needle Assembly: #60K/C

Cap Screws M3 5x20(10): FL-70