§ 04 / Model
All YAMAHA partsYAMAHA YZ 400 F
The YZ 400 F kicked the four-stroke MX era into gear. That high-compression top end punishes neglect, so stay on top of valves, timing chain and piston intervals. The hot-start lever and carb jetting need dialling in properly or it'll bog off the line. Treat it right and it still pulls clean.
522 parts fit this bike
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