O.S. Engines

Rocker Arm: F61-300

Set Screw #2D #4BK-#5B

Cylinder Head: O.S. FS-64V

Valve Spring: F90 160

Valve Spring: FS155A-P

Woodruff Key: 61S RFH

Crankshaft: B21 Ongaro Edition

Crankshaft: 12XZ Speed

O.S. Crankshaft OS Speed R21GT

Outer Head: B21 Speed Adam Drake

O.S. Cylinder And Piston Speed: T1203

Outer Head: B21 Ongaro Edition

202 Super Air Cleaner

Carburetor Reducer 7mm, Yellow: 21XZ-B

Outter Head: O.S.SPEED R21GT2

Inner Head: T1202 Speed

Needle Assembly #10E

O-Ring Small #2K IFN

Metering Needle Assembly 18TM

Screw Set (8): 15CV-A

Thermo Insulator 21J3

Carburetor Reducer, 6.5mm: OS Speed B21 Pink Rhonda Drake Edition

Carburetor Body: #21C

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