O.S. Engines

O.S. Outer Head Speed B2103 Type R

Carburetor 40L-R: 55HZ-R

Needle Assembly #7H #7F

O-Ring IV PRC #6H Rubber

Head Gasket: FT-160

Piston Pin Retainer: 61RX SX

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

Exhaust Seal O-Ring (2)

Piston: 55HZ Hyper

Ratchet Spring #7H #7D #2K

Cover Plate: 105HX-R

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

Mixture Control Valve: 46AXII

Motor Mount: 15LA

Motor Mount: 46, 55AX

Cam Cover: FS155A-P

Cam Follower: 200 Surpass

Carburetor Body: 40K, 46AXII

Carburetor Rotor: 61H, GT15

Carburetor Rotor: 61HB

Choke Shaft: WLA-2, GT55

Connecting Rod: 140RX

Connecting Rod: GT33

Crankcase: 75AX