O.S. Engines

Throttle Lever Nut #10ER

Needle Valve Assembly #11H #11HB

Needle Valve Assembly: 91SZ-H Hyper

Valve Spring Seat: 56 FS

Camshaft: FS-40, 48 Surpass

Valve: FS-62V

Drive Washer: FF-240, 320

Pushrod Cover: FS-40 Surpass

Drive Washer: 12TR

Exhaust Pipe Nut: FS-120 Surpass

Cylinder Liner: 91FX

Carburetor Body: #60R

Crankshaft: 28XZ

Needle Assembly: #86, #8H

Throttle Link WLA-2: GT55

Cylinder Liner: FS-40

Carburetor Rotor: 80T Sirius 7

Piston Pin Retainer: GT55 (2)

Screw Set (8): 15LA

Crank Pin Stop Screw: GT22

Cover Plate: FSa-72II

Bearing L-1360ZZ

Gasket Exhaust: GT55

Carburetor Body: 21J3

Rocker Cover: 120 Surpass

Cylinder Liner: FS-70 Surpass

Valve Assembly Exhaust: FS-52 Surpass

Needle Holder #20E

Breather Nipple: 120-300

Cylinder/Piston/Rod Set: O.S. Max .12 TG Version 4

Crankshaft: GT60

Hex Head Screw 5x55mm (10)

Crankshaft: O.S. Speed R2104

Spark Plug 1 4-32 RCE: GF30

Valve Exhaust: FS-120 Surpass

Inner Head: O.S.SPEED R21GT2

Piston Ring: BGX-3500

O.S. Pistion Pin: .12XZ

Screw Set (10): 46AX 55AX

Carburetor Body: 21M

Needle Assembly: #60K/C

O.S. Cylinder Piston Rod Set Speed: T1203

Crankcase O.S. Speed T1204

Piston: FS-120

Crankshaft: GF40

Piston: 37SZ-H

Connecting Rod: Speed B2101, B2102

Silencer F-5030: FS81 Alpha