O.S. Engines

Needle Holder FT-120-300

Needle Valve Assembly: #60B

Mid Needle Valve Assebly: 61ER, 941HZ-R

O-Ring: 21TM

Piston: FS-40 Surpass

Rear Housing: GT60

Rocker Cover: 120 Surpass

Rocker Cover: GF30

Rotor Stop Holder #2K 74

Standoff 5x50.8mm 2" (4): GT55

Throttle Lever #2F #2FB

Throttle Arm Assembly WLA-2: GT55

Stator Assembly: 5020-490 .40

Needle 3 (21M)

Carburetor Complete 21M4(B) W/O Reducer

Super Can Filter, Small

Outer Head: R21

Lock Cone: 40P/60GP

Dust Cover: #2BK

Locknut Set Spinner: FS-52

Throttle Lever: 120Surpass

Screw Set (8): 37SZ-H

Carburetor: #11KR Slide, 21TM-R Revo

Cover Plate: O.S. Speed B2104