Yamaha MX400 Parts & Accessories

Everything we stock that fits the Yamaha MX400 (1975): 11 parts, each verified against manufacturer fitment data, grouped by category. Prices and stock are live. Not sure on year or trim? Use the bike finder to confirm your exact match.

Drivetrain for the Yamaha MX400

JT Sprockets Steel Front Sprocket — JTF565.14SC (14T) $11.99 JT Sprockets Steel Front Sprocket — JTF565.16 (16T) $11.99 JT Sprockets Steel Front Sprocket — JTF565.13 (13T) $8.99 JT Sprockets Steel Front Sprocket — JTF565.14 (14T) $8.99 JT Sprockets Steel Front Sprocket — JTF565.15RB (15T) $11.99 Wheel Bearing Kit — Honda CR125R (1979-1981) + $14.92 Wheel Bearing Kit — Yamaha DT250 (1972-1979) + $25.65 JT Sprockets Steel Front Sprocket — JTF565.15 (15T) $11.99

Suspension for the Yamaha MX400

Fork Oil Seal Kit — Kawasaki KH400 (1974-1978) + $19.12 Swingarm Bearing Kit — Yamaha IT400 (1976) + 6 $88.85

Controls for the Yamaha MX400

Steering Stem Bearing Kit — Yamaha AG200 $58.06

Fitment is anchored on the manufacturer's own application data and verified before it goes live. If you spot anything that looks off for your Yamaha MX400, tell us. Accuracy is the whole point.