O.S. Engines

Cylinder Liner: FS-40

Cover Plate: 21VG-P

Carburetor Rotor: 80T Sirius 7

Piston Pin Retainer: GT55 (2)

Screw Set (8): 15LA

Crank Pin Stop Screw: GT22

Cover Plate: FSa-72II

Bearing L-1360ZZ

Crankcase: GGT15

Gasket Exhaust: GT55

Carburetor Body: 21J3

Rocker Cover: 120 Surpass

Cylinder Liner: FS-70 Surpass

Valve Assembly Exhaust: FS-52 Surpass

Needle Holder #20E

Breather Nipple: 120-300

Cylinder/Piston/Rod Set: O.S. Max .12 TG Version 4

Cylinder & Piston Assembly: 21TM

Crankshaft: GT60

Hex Head Screw 5x55mm (10)

Crankshaft: O.S. Speed R2104

Spark Plug 1 4-32 RCE: GF30

Valve Exhaust: FS-120 Surpass

Piston Ring: BGX-3500