O.S. Engines

Thrust Washer: 21-32

Carburetor 40L-R: 55HZ-R

O.S. Outer Head Speed B2103 Type R

Needle Assembly #7H #7F

O-Ring IV PRC #6H Rubber

Head Gasket: FT-160

Piston Pin Retainer: 61RX SX

Cover Plate: 105HX-R

Outer Head: O.S. Max .12 TG Version 4

Ratchet Spring #7H #7D #2K

O.S. Carburetor Body 22E (B) Speed B2103 Type R

Exhaust Seal O-Ring (2)

Mixture Control Valve: 46AXII

Motor Mount: 15LA

Motor Mount: 46, 55AX

Built-up Parts Set for Cylinder & Piston: O.S. Speed R2104

O-Ring Needle: FS/FX/LA

Crankcase: B2101 Speed

Needle Valve Holder Assembly #61B: 91HZ

Crankshaft: 25XZ

Cylinder & Piston Assembly: 12XZ

Valve Spring: 56 FS

18TM Revo Manifold

Cylinder Head: 91SX-H