OS Engines

Prop Nut: 21XM

Carburetor 60PS: FS-95V

Carburetor Body: 40L, 55HZ Hyper

Exhaust Gasket: 55HZ

Cylinder, Piston, & Rod Set: R2105

Piston Pin: 61-300

Needle Assembly Screw: 65LA

Needle Assembly #7M #7L

Connecting Rod: 50SX-H

Valve Spring Intake: FS-120 Surpass

Needle #7M #7LFS

Piston Pin: 32SX-H

Muffler Mounting Screws #873 (2)

Piston Ring: FS-91 FT-160

Cap Screw Set M2.6x7: 18TZ

Drive Washer: 21-25

Slide Valve 2 (21M)

Carburetor 21M: 21XZ-R VII

Cylinder Head: 91HZ-PS

Screw Set Speed (10): 21 V-Spec

Motor Mount: 25FX, 32SX, 35AX

Head Gasket Set: 12TZ Spec II

Carburetor: FT160, FF320

Cylinder Liner: 55HZ Hyper