O.S. Engines

Crankcase: 21XZ-R VII

Cylinder & Piston Assembly: 12XZ

Carburetor Dust Covers: #12FB, 12XZ Speed

Piston Pin Retainer: RX RZ XM

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

Exhaust Pipe Assembly: T-120 160

Water Nipple: #2

Exhaust Header Pipe Nut: 200 Surpass

Muffler F6020; FS155A-P

Needle Assembly #60R

Piston Pin Retainer: GT15HZ