O.S. Engines

Piston: 95AX

Main Shaft: 3815-1000

Crankshaft Bearing, Front: FS-91

Camshaft: FS-91 Surpass

Head Gasket: B2101 Speed

Screw Metering WLA-2: GT55

Rocker Arm Support Assembly: 120 Surpass

Valve In Ex: 90-320

Mixture Control Screw: #2F and #2FB

Rocker Cover: GF30

Throttle Lever #2F #2FB

Pushrod: GF30

Under Cover: IL-300 Dia-Star

Rocker Arm: FS115A-P

Main Shaft: OMA-2810-1250

Connecting Rod: 140RX

Rocker Arm Support Assembly: FS-20

Cylinder Head Screws: 56 FS

Carburetor Dust Covers: #12FB, 12XZ Speed

Breather Nipple: FS-20, 40

Cover Plate: GGT10

Water Nipple: #2

Rocker Arm Assembly FS-20

Connecting Rod: R2102, Speed 21XZ-GT