O.S. Engines

Throttle Lever Nut #10ER

Needle Valve Assembly #11H #11HB

Standoff 5x38.1mm 1-1/2" (4): GT55

Piston Pin: 50SX-H

Piston Ring: FT-300

Exhaust Header Pipe Assembly F-5050: FS-95V

Muffler Extension: #762

Inner Head: O.S. Speed R2104

Motor Mount: FT120, FT160

Front Bearing: 61FX

Needle #20E

Carburetor Retainer: 12TZ Spec II

Crankshaft: O.S.SPEED R21GT2

Dust Cap Set: RZ-V P

Mixture Control Valve #70C: FS120 Surpass II

Choke Valve: 120-300

Piston Ring: 55HZ

Carburetor Dust Covers: #12FB, 12XZ Speed

Screw Set (10): 21VZ-R VZB

O.S. Cover Plate Speed: T1203

Piston Ring: 32FH

Main Shaft: 3805-1200

Metering Needle 12F2: 12XZ Speed Spec

Crankcase: 46AXII