OS Engines

Needle Valve Assembly 61H: GT15

Cover Assembly Metering WLA-2: GT55

O-Ring Silencer #E3080: 35AX

Piston: 95AX

Piston: FS-120

Piston Pin with Pads: FS30S

Piston Ring: GT60

Cap Screw 4x20mm (10): GT55

Thermo Insulator: GF30

Thrust Washer: 20-40FP

Valve Collet: FS-91 Surpass

Main Shaft: 3815-1000

Exhaust Header Assembly: 56 FS

Front Bearing: 61FX

Camshaft: FS-91 Surpass

Cam Follower: Sirius 7

Carburetor Rotor: 91SZ-H Hyper

Piston Pin: 56 FS

Cylinder and Piston Assembly: O.S. Speed B2104

Head Gasket: B2101 Speed

Carburetor Reducer, 6.5mm: OS Speed B21 Pink Rhonda Drake Edition

Head Gasket: 0.1, 0.15, R2101 Speed

Induction Silencer .12/.21: INS

Metering Needle Assembly 18TM