OS Engines

Carburetor Reducer 6.5mm: Speed 21 V-SpecII

Rocker Arm Assembly FS-20

Stator Assembly: 5025-375 .50

80 Degree Exhaust Header: 155FS-a

Crankcase: O.S. MAX-B21

Bearing R-1240ZZ

Piston Ring: GT15HZ

Rocker Arm Support Assembly: FS-20

Mixture Control Screw: #2F and #2FB

Screw Set (8): 15CV-A

Carburetor Body: 22C(B), Speed B2102

O.S. Crankshaft OS Speed R21GT

Connecting Rod: 50SX-H

Valve Spring Intake: FS-120 Surpass

Cylinder Head: GGT15

Cylinder Head: FS-120 Surpass III

Front Bearing: 12-300

Silencer E3080: 35AX

Carburetor 21M: 21XZ-R VII

Cylinder Head: 91HZ-PS

Rocker Arm: FS115A-P

Piston Pin: 19XZ-B Speed

Carburetor Insert: 80T, Sirius 7

Carburetor Complete 22E W/O Reducer: O.S. MAX-B21