O.S. Engines

Muffler Screws #744B

Needle Valve Assembly 61H: GT15

Cover Assembly Metering WLA-2: GT55

O-Ring Silencer #E3080: 35AX

Piston: FS-120

Piston Pin with Pads: FS30S

Piston: 61-300

Piston Ring: GT60

Rocker Cover,, Black: FSa-72II

Thermo Insulator: GF30

Valve Exhaust: FS-52 Surpass

Thrust Washer: 20-40FP

Valve Collet: FS-91 Surpass

Exhaust Header Assembly: 56 FS

Front Bearing: 61FX

Cam Follower: Sirius 7

Piston Pin: 56 FS

Carburetor Rotor: 91SZ-H Hyper

Rear Adapter: 18CV-RX

Cylinder and Piston Assembly: O.S. Speed B2104

Universal Nipple: #21, T1202 Speed

Piston Pin: 25XZ

Slide Valve 12F3: T1201 Speed

T-1060 Silencer Clamp