OS Engines

Lock Washer 5mm

Mixture Control Valve: 12F2

Screw Set Speed (10): 21 V-Spec

Slide Valve Stop Screw #21J

Rotation Sensor: GT33

Cap Screw 5x50mm (10): GT55

Main Shaft: OMA-2810-1250

Connecting Rod with Retainers: Speed T1201

Cover Plate: 55HZ Hyper

Intake Manifold Assembly A: IL-300 Dia Star

Rear Cover: Sirius 7

Gasket Passage: WLA-2, GT55

Muffler Extension Screws 120AX (2)

Allen Head Screws M3.5x12 (10)

Upper Arm: 21XM

Cover Plate with BPS-1 Mount: 55HZ-R

Pilot Shaft: GT55

Rocker Arm Assembly: FS-70 Ultimate

O.S. Cylinder And Piston Speed: T1203

Cylinder Head: 25FX

Valve Spring: F90 160

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

Connecting Rod: GT33

Cover Plate: FS91-P