O.S. Engines

Valve Spring Retainer: 90-300

Throttle Stop Screw 18TM

Water Nipple: #2

Carburetor Retaining Screws: 2.6x18mm (10)

Carburetor Body: #10H

Pushrod Cover O-Ring: 56 FS

Carburetor Complete 21M4(B) W/O Reducer

Header Pipe Spring

Piston Pin: 55HZ Hyper

Cylinder Head: GT15HZ

Crankcase: Sirius 7

M2001SC Manifold: 21XZ-R, 21VG

Piston Ring: FS-120 III

Piston/Sleeve/Rod set: O.S. SPEED R2106

Cover Plate: FS155A-P

Rocker Arm Assembly: 200 Surpass

Bearing Set: OMA-2820-950

Cylinder Liner: 95AX

Carburetor Reducer 6.5mm: Speed 21 V-SpecII

Stator Assembly: 5025-375 .50

Rear Bearing: GT55

Needle Holder #7H #7M #7L

Metering Needle Assembly Speed 12TZ

Prop Washer: 20-40