O.S. Engines

Allen Head Screws M3.5x12 (10)

Rocker Arm Assembly: FS-70 Ultimate

202 Elements (4)

Carburetor Rotor: #2A

Gasket Passage: WLA-2, GT55

Valve Spring: F90 160

Crankshaft: B21 Ongaro Edition

Outer Head: B21 Ongaro Edition

Inner Head: T1202 Speed

Piston Pin Retainer: GT33

Thrust Washer Rear 30Wankel

Carburetor Rotor: 61ER

Metering Needle #11H #11HB

Cylinder & Piston Assembly: 75AX

Rotor Gear Screw: 30Wankel

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

Cylinder & Piston: 65AX

Exhaust Pipe Nut: F40-300

Mixture Control Valve 80T: Sirius 7

Rocker Arm Retainer: FS-20-240

Breather Nipple: 120-300

101/102 Elements (6)

Crank Pin Stop Screw: Sirius 7

Crankshaft O.S. Speed T1204