OS Engines

Valve Spring: FS-70 91SII

Cam Cover: FS-62V

Carburetor Screw: FS61-FT300

Connecting Rod: FT-120, 160

Dust Cover: 30VG

Mixture Control Valve #20K

Needle Valve Assembly 12F2-B: Speed T1202

Slide Valve 12D: 18TM

Cylinder Rebuild Kit: R21

Inner Head: R2101 Speed

Drive Washer: GF40

Flex Shaft Assembl:y 21XM

Muffler Body F-5050: FS-95V

Muffler E-5040: GT22

Rear Bearing: FS52

Carburetor Rotor: #120AX

Crankcase O.S. Speed T1204

Piston Pin: 30VG

Cylinder Rebuild Kit: B21 Speed Adam Drake

Carburetor Rotor: 40L-R, 55HZ-R

Carburetor 21J4 (B) B21 Adam Drake II without Reducer

Dust Cover: #2BK

Exhaust Header Pipe M1021: 21TM

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