This 1976 Yamaha MX100 is being pulled apart at Derrimut. It’s a small-capacity two-stroke minicross bike from the twin-shock era, before monoshock rear suspension became standard across Yamaha’s motocross range – simple, light and built for junior racers stepping up from a minibike rather than down from a full-size machine.
Parts off this MX100
- Cylinder barrel, head and piston
- Carburettor and airbox
- Expansion chamber and silencer
- Gearbox internals and clutch assembly
- Forks and twin shocks
- Wheels, hubs and spokes
- Front and rear brake assemblies
- Plastics, fuel tank and seat
Mid-70s minicross bikes like this one are a genuine rarity on the used parts market, with dealer stock and aftermarket support both long gone. This donor is a solid find for collectors restoring a twin-shock-era Yamaha to original spec, or vintage motocross clubs running dedicated classes for bikes of this vintage rather than modern minicrossers.
Everything listed is a used take-off from this actual bike, checked over before it goes out – never new, never boxed as genuine. We freight Australia-wide from our Derrimut yard. Browse the Yamaha parts category for more from this era, or see the FAQ page for freight details. Ask about a specific item even if it’s not listed online yet – we’re still stripping this bike down piece by piece. Ask if a specific item isn’t listed yet – we’re still working through this bike and adding parts regularly. Call ahead and we’ll check what’s currently on hand for this exact model. We’re still working through this bike, so ask about anything you can’t see listed on the site yet.
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