O.S. Engines

Needle Control Lever In Flight Needle Valve

Motor Mount: 15CV-A, 10LA

Exhaust Header Pipe M1021: 21TM

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

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

Cam Follower: Sirius 7

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

Front Housing: GT60

Crankshaft: 21XZ-R

Rear Bearing: GT60

Speed Ball Driver Replacement Tip 2.5

Rear Cover Plate: GT33

Needle #7G #7D #7H

Crankcase: GT33

Piston Ring: GT33

Needle Valve Assembly #10J #10M

Cylinder Jacket: IL-300 Dia-Star

Connecting Rod: 91SX-H Complete

Needle #40N

Woodruff Key: 61S RFH