OS Engines

Front Bearing: 21XZ-B

Drive Washer: GT22

Head Gasket FS155A-P

Pushrod: GF40

Carburetor Rotor: 61T, FS-62V

Crankcase: GGT15

Mixture Control Screw: 120 Surpass

Metering Needle Assembly: 21VZB (P) V-Spec 21C

CRANKSHAFT OS SPEED R21 EURO II

Carburetor 61G: 91HZ-R Speed 3D 3C

Needle Holder 12F-B: 12XZ Speed Spec 3

Crankcase: GF30

Crankshaft: 55HZ Hyper

Carburetor #21L: 25AX

Heat Sink Head: 75AX

Cylinder Head Fixing Screws: 21TM

E-4051 Muffler: GT15HZ

Silencer Body: F6040, GF40

Cam Cover: 56 FS

Propeller Washer: GT33

Gasket Set: 46AX

Piston Pin Retainer: 40PS

Prop Washer 10-12

Screw Set (10): 21XM