OS Engines

Cover Plate: O.S. Speed B2104

Carb Reducer 7.5mm, Blue

Ball Link #3 20K: 21VZ-R

O.S. Ball Link #6 22D Carb Speed B2103 Type S

Cylinder Rebuild Kit: R2101 Speed

Inner Head: O.S. Speed R2104

Drive Washer: FS72 Alpha

Needle Valve Assembly: 91SZ-H Hyper

Pushrod Cover: FS155A-P

Carburetor Retaining Screws: 2.6x18mm (10)

Connecting Rod: 56 FS

Cover Plate: 55AX

Slide Valve 21M

TUNED SILENCER TR03 EFRA2196

Piston/Sleeve Set: OS MAX-21 V2

Outer Head: O.S. Speed T1205

OS MAX-21 V2

Cover Plate: FS72 Alpha

Crankshaft: GT60

Carburetor Body: #10G

Cover Plate: 35AX

Silencer Gasket: F-5040, FS110A

Piston: GT15

Piston Ring: 91FX