1971 | TM400

Model that incorporates technologies from the RH70 Motocross World Championship machine


The TM400 is a production motocrosser designed specifically for off-road riding. It features a tough 400 cm³ 2-stroke 1-cylinder 6-port engine capable of being ridden over the roughest road surfaces. The engine includes the Pointless Electronic Ignition (PEI) system that eliminates the difficulty of adjusting the ignition timing. Another distinguishing feature of the TM400 is its lightweight and durable aluminum rims.

Dimensions and weight Dimensions Overall length 2,160 mm
Overall width 875 mm
Overall height 1,135 mm
Wheelbase 1,408 mm
Weight 104.6 kg
Engine Engine type 2-stroke, 1-cylinder, air-cooled
Engine displacement 396 cm³
Bore x stroke 82.0 mm × 75.0 mm
Maximum power 29.4kW(40PS) / 6,500rpm
Maximum torque 44.4N-m / 6,000rpm
Transmission 5-speed constant mesh
Front tire size 3.00-21-4PR
Rear tire size 4.00-18-4PR