O.S. Engines

Cylinder Block: GT60

O.S. Cylinder Piston Rod Set Speed: T1203

Cover Plate: 15CV-A

Built-up Parts Set for Cylinder & Piston: O.S. Speed R2104

Outerhead: 21XR-B Version II

Cover Plate: 28XZ

Inner Head: T1201 Speed

Outer Head: T1202 Speed

Cover Plate Assembly: GGT10

Cover Plate: FS-62V

Cover Plate with BPS-1 Mount: 55HZ-R

O.S. Outer Head Speed: T1203

Outer Head: 19XZ-B Speed

Inner Head: 21XZ-B

Cylinder Head & Valve: FT-160

Cylinder Liner: GT55

Collector Ring: FR7 Sirius 7

Water Nipple: #2

Head Gasket: 0.1, 0.15, R2101 Speed

Muffler Assembly Screw F-5050 FS-95V

Needle: 15LA

Needle Control Lever In Flight Needle Valve

Metering Needle Assembly 18TM

Outer Head: Speed 12TZ