OS Engines

Locknut: GT33

Mixture Control Valve: 12F2

Pushrod Cover Assembly: FS72 Alpha

Pushrod Cover Set: Sirius 7

Muffler Assembly Screw: 65AX

Silencer Assembly Screw: 56 FS

Muffler Extension Screws 120AX (2)

Drive Pin: FL-70

Piston Pin Retainer: RX RZ XM

Needle Assembly: FT-120-300

Needle Assembly: #60K/C

Spring Needle Adjust WLA-2: GT55

O.S. Metering Needle (21M) R21GT

Piston Pin Retainer: 81VR-M

Piston Pin Retainer: BGX 3500

Piston Pin Retainer: GT33

Needle #20E

Needle 25 2SX: 61FX

Needle Holder 21M: 21XZ-R

Needle Holder #7H #7M #7L

Needle Valve Holder Assembly: 91SZ-H Hyper

Piston: 70SZ-H

Piston: FS155A-P

Piston: GF30