O.S. Engines

Pushrod Cover O-Ring: 56 FS

Carburetor Complete 21M4(B) W/O Reducer

Header Pipe Spring

Piston Pin: 55HZ Hyper

Cylinder Head: GT15HZ

Crankcase: Sirius 7

Cover Plate: FS-62V

M2001SC Manifold: 21XZ-R, 21VG

Piston Ring: FS-120 III

Piston/Sleeve/Rod set: O.S. SPEED R2106

Locknut: GT33

Lever Metering WLA-2: GT55

Crankshaft: GT15

Carburetor Rotor: 70T, GF30

Crankshaft: FT-120 160

Carburetor Body: 21M(B), 21XZ-R Speed

TR02 Tuned Silencer Set EFRA2165

O.S. Inner Head with O-Ring Speed B2103 Type R & S

Pushrod: 200 Surpass

Connecting Rod: 37SZ-H

Outter Head: O.S.SPEED R21GT2

Cover Plate: 55HZ Hyper

Valve Assembly Intake: FS-91 Surpass

Cover Assembly Metering WLA-2: GT55