Yamaha Works Parts


 Four time 250 world champion Torsten Hallman with his 1971 YZ637 prototype Yamaha. Lake Forest Illinois 2005


1971 YZ637 YZ639 Front Forks - Torsten Hallman


1971 YZ637 (250) Gas Tank - Torsten Hallman


1971 YZ637 (250) Piston Port Cylinder - Torsten Hallman


1971 YZ637 (250) Exhaust Pipe - Torsten Hallman


1971 YZ639 (360) Piston Port Cylinder - Torsten Hallman


1972 1973 YZ637 (250) Magnesium Cylinder - Hakan Andersson


1972 - 1975 Works Fork Damper Rods - Hakan Andersson


1973 - 1975 Works Clutch - Ake Jonsson


1973 - 1975 Works Ignition Covers - Ake Jonsson


1973 - 1975 Works Cylinders - Ake Jonsson


1973 Works Yamaico Monoshock - Ake Jonsson


1974 OW11 Cylinder and head - Bill McLean


1974 OW12 GP Cylinder - Hakan Andersson


1974 OW13 400 Long Stroke Engine


1974 1975 Monoshock - Ake Jonsson


1975 OW25 GP Cylinder - Hakan Andersson


1975 OW25 - OW26 External Springed Front Forks


1977 OW Front Forks - Heikki Mikkola


1977 OW25 (250) Engine


1977 OW26 (400) Engine

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