O.S. Engines

Muffler Screws 20-46 (2)

Needle: 15LA

Piston Ring: FT-120 240

Piston Ring: GT33

Spark Plug 1 4-32 RCE: GF30

Return Spring: #6H, #7H, #8H

Slide Valve #60U

Crankcase: O.S. FS-64V

Valve Spring Retainer: F20-300

Carburetor 40K: 46AXII

Outer Head O.S. Speed B21 Adam Drake Edition 3

M2001SC Manifold: 21XZ-R, 21VG

Crankshaft: B2101 Speed

O.S. Cylinder Piston Rod Set Speed: T1203

O.S. Dust Cover 21E 21F 22D 22J

Piston Pin: 30VG

#7 Glow Plug, Medium Hot Air

Breather Nipple: FS-20, 40

Cam Follower: FS-61, 48 Surpass

Carburetor Body: #60M

Cover Plate: GGT10

Cylinder Head: 56 FS

Cylinder Jacket: FT-160

Cylinder Liner: 56 FS