O.S. Engines

Metering Needle Assembly 22C(B): Speed B2102

Bearing R-1240ZZ

Piston Ring: GT15HZ

Exhaust Seal Ring (10)

Speed Flywheel Key

Crankshaft: 55AX

Carburetor Spacer: Sirius 7

Prop Shaft: OMA-38 Series

Camshaft Bearing: F 40-120

Prop Locknut :FS40- 48Surpass

Carburetor Body: #20H

O.S. Built-Up Parts Set Cyl Piston OS Speed R21GT

Prop Shaft: OMA-50 Series

Vavle Exhaust: FS-91 Surpass

Connecting Rod: 21VF/SE

Crankshaft O.S.Speed B21 Adam Drake II

O-Ring Small #2K IFN

Drive Washer: 25LA-S

O-Ring Large: FS90IIS

Rear Bearing: 25FX, 32F

Gasket Set: 46AX

Ignition Module IG-05: GT15HZ

Gasket Head, .1mm: 105HZ

Cover Plate: FS155A-P