O.S. Engines

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

Outer Head: Speed 12TZ

Needle 12F 11H 11K 12D

Speed Hex Wrench Driver 2.0mm

Carburetor Complete WT1054: GT22

Muffler Extension: 761, 871

Radial Mount Screw Set: Sirius 7

Cover Plate: 46AXII

Crankshaft: GT60

Cylinder Head: .35AX

Silencer Gasket: F-5040, FS110A

Gasket Set: 55AX

Head Gasket: 25LA

Silencer Assembly Screws: #F-6010 FS-200S

Needle #7G #7D #7H

O-Ring Large: 120-300

O-Ring S3-FKM 61H: GT15

O-Ring 1.2x54mm: GT55

Piston Pin Retainer: 50SX-H

Piston Ring: 91FX

Piston Ring: FT-300

Prop Washer: 61-90

Screw Set (34): FT-120 (34)

Thrust Washer: BGX-3500