O.S. Engines

Rocker Arm Shaft: FS-95V

Plug Terminal: Sirius 7

Cylinder Head: 91SX-H Complete

Cylinder Rebuild Kit: R21

Gasket Set: 50SX-H

Intake Pipe Right: FT-120 160

Piston Ring: FT-120 240

Piston: FS110A

Crankshaft: 56 FS

Rear Bearing: 40-50

Carburetor Gasket: 70T, GF30

Rocker Arm: FS-40-48S

Head Gasket .4 Aluminum: Sirius 7

Piston Ring: 91FX

Head Gasket: 200 Surpass

Air Bleed Screw: #10G

Cylinder Liner: FS-62V

Collector Exhaust Pipe: IL-300 Dia Star

O-Ring 1.2x54mm: GT55

Carburetor Retainer: 55HZ Hyper

Drive Hub: 200 Surpass

Pushrod Cover Assembly: FT-120-240

Piston Pin Retainer: 40PS

Needle Control Lever In Flight Needle Valve

Motor Mount: 15CV-A, 10LA

Exhaust Header Pipe M1021: 21TM

Inner Head: Speed 21XZ-GT

O.S. Crankcase Speed B2103 Type S & Type R

Silencer Body: F-4051 O.S. FS-64V

Cam Follower: Sirius 7

Crankshaft: 91HZ

Needle Valve Assembly: #60B

Carburetor Body: 22B, 21XR-B

Valve Spring Retainer: F20-300

Main Shaft: OMA-2815-1100

Cylinder and Piston Assembly: O.S. Speed B2104

Carburetor 22B: 21XR-B

Inner Head O.S.Speed B21 Adam Drake II

Front Housing: GT60

Crankshaft: 21XZ-R

Speed Ball Driver Replacement Tip 2.5

Rear Cover Plate: GT33

Mixture Control Screw: #2F and #2FB

Carburetor Retainer: 61RX, SX

Heat Sink Head: 18CV-R

Needle #7G #7D #7H

Crankcase: GT33

Piston Ring: GT33

Needle Valve Assembly #10J #10M

Cylinder Jacket: IL-300 Dia-Star

Cam Cover: FS-40 Surpass

Connecting Rod: 91SX-H Complete

Woodruff Key: 61S RFH

Cylinder & Piston: B21 Speed Adam Drake

Spring Choke Friction: WLA-2, GT55

M2002SC 80mm Manifold: 21XZ-B, 21VZ-B, 25XZ, 30VG

Dust Cover: 18TM

Cylinder Head: 46AXII

Carburetor 61C: 95AX

Crankcase: GF30

Piston Ring: 60-61

Piston Pin: 21XZ-R

Rear Bearing: FS120 III

M10 In-Cowl Exhaust Header Pipe Inverted 80D: FS56A

Piston Pin: 91RZ-H Ring Heli

P5 Turbo Glow Very Hot Plug Off-Road

Cover Plate: FS-120 III

Rear Cover: Sirius 7

Cylinder Head: FS155A-P

Cylinder Jacket: Sirius 7

Intake Manifold Assembly: FT-240/300

Dust Cover: 30VG

Carburetor 61H: GT15

Front Crankshaft Bearing: Speed T1202

Pushrod Cover Set: Sirius 7

Prop Washer: 61-90

Exhaust Pipe Assembly: 40-300

Cylinder Head: GF40

Silencer Gasket: F-5040, FS110A

Main Needle Valve Assembly: 61ER

Cap Screw 4x20mm (10): GT55

O.S. MAX FS-52 SURPASS

Rocker Arm: FS95V

Pushrod Cover: 56FS-a

Carburetor 70R: FS155A-P

Inner Head: 21XZ-B

Piston Ring: FS-61

Drive Washer: FS155A-P

Cylinder Piston Rod Set: O.S. Speed B2104

Front Bearing: 21XZ-B

Main Shaft: 3815-1000

Carburetor Rotor: 61E New 91HZ

Carburetor 21J3-1: 21XR-B Version II

Cover Plate: FS81 Alpha

Security Ring: OMA-2810 OMA-2815

Cylinder Head: FS-120 Surpass III