OS Engines

Screw Set: FS-48 Surpass

Allen Head Screws M3.5x12 (10)

Throttle Lever #2CK

Outboard Unit Assembly: 21XM V2 Outboard Marine

Upper Arm: 21XM

Rotor Spring #4B #4D #4C

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

Cylinder Jacket: Sirius 7

Carburetor Gasket: GT60

Mount Plate: 21XM

Pilot Shaft: GT55

Piston: 91HZ

Piston Ring: 108FSR

Piston Ring: GT15HZ

Pushrod: FT-160

Standoff 5x12.7mm 1/2" (4): GT55

Main Shaft: 3805-1200

Propeller Shaft Set: 3815-1000

80 Degree Exhaust Header: 155FS-a

Mixture Control Screw #10ER

Crankshaft: 12XZ Speed

O.S. Crankshaft OS Speed R21GT

O.S. Cylinder And Piston Speed: T1203

Outer Head: B21 Speed Adam Drake