OS Engines

Crankshaft: 20-25FP

Inner Head: O.S. MAX-B21

Carburetor Body: 22E

T-1060 Silencer Clamp

O.S. Crankcase Speed B2103 Type S & Type R

Outer Head: Speed 12TZ

Needle 12F 11H 11K 12D

Speed Hex Wrench Driver 2.0mm

Crankshaft: 21XZ-R

Carburetor Reducer 8mm, Red: Speed 21 V-Spec

Head Gasket: 30VG

Mixture Control Valve 18TM

M1006SC Manifold

Rear Bearing: 12TR

O.S. Pistion Pin: .12XZ

Metering Needle Assembly 22C(B): Speed B2102

O.S. Metering Needle Assembly 22D Speed B2103

Mid Needle Valve Assebly: 61ER, 941HZ-R

O.S. SPEED R2106 COMBO SET

Crankcase: GF30

Crankcase: FT-160

Crank Pin Stop Screw: Sirius 7

Cover Plate: 28XZ

Crankcase: 19XZ-B Speed