O.S. Engines

Rocker Arm Retainer: FS-20-240

Breather Nipple: 120-300

Speed Flywheel Key

101/102 Elements (6)

Built-up Parts Set for Cylinder & Piston: O.S. Speed R2104

Cylinder Head Gasket: 35AX

Needle: #60B

Cover Plate: GGT10

Rocker Arm Thrust Washer: Sirius 7

Muffler Body F-5050: FS-95V

Rocker Arm Assembly FS-20

Crankshaft: O.S.SPEED R21GT2

O.S. Carburetor Body 22E (B) Speed B2103 Type R

Outer Head: 21XZ-R

Cylinder Head: FS-62V

Reed Valve Assembly: GT22

Rocker Arm: FS115A-P

Cap Screw 3x28mm (10)

Main Shaft: OMA-2810-1250

Inner Head With O-Ring: O.S. Speed B2104

Cam Cover: FS155A-P

Connecting Rod: 140RX

Standoff 5x25.4mm 1" (4): GT55

Rocker Arm Support Assembly: FS-20