OS Engines

Carburetor Reducer 6mm, Red: B2101 Speed

Cover Plate: 105HZ

Cover Plate: 21XZ-B Ver2

Metering Needle 21M

Screw Set (8): 30VG

Speed Exhaust Seal Ring (10): B21

Throttle Lever Nut #10ER

R5 Glow Plug Cold On-Road

Needle 3 (21M)

Carburetor Complete 21M4(B) W/O Reducer

Remote Needle Bracket: 160FX

Cam Follower: 200 Surpass

Cam Cover: FS155A-P

Carburetor Rotor: 70R, FS155A-P

Carburetor Body: 40K, 46AXII

Carburetor Rotor: 61HB

Choke Shaft: WLA-2, GT55

Connecting Rod: 140RX

Connecting Rod: GT33

Crankcase: 75AX

Crankshaft: 50SX-H

Cylinder Liner: FS-40

Fuel Inlet: #61B, 91HZ

Intake Manifold Assembly: FS-91 Surpass II