Welcome to the 1978 Yamaha DT400E Forum. The factory Yamaha color was called "Competition Yellow". The USA Vin Range was 1M2-100101 to 112053. Feel free to post anything related to this model in the category. Anything new, will be added to this section. If you see any errors, please contact me privately.

     1978 Yamaha DT400E

The 1978 Yamaha DT400E Owner's Manual is located: CLICK HERE

(use w/1978 supplement) The 1977 Yamaha DT400D Service Manual is located: CLICK HERE

The 1978 Yamaha DT400E Supplement Service Manual is located: CLICK HERE

The 1978 Yamaha DT400E Parts Manual is located: CLICK HERE

The 1978 Yamaha DT400E Service Data Card is located: CLICK HERE

The 1978 Yamaha DT400E Advertisement is located: CLICK HERE

The 1978 Yamaha Accessories catalog is located: CLICK HERE

The 1978 Yamaha DT400E brochure is located: CLICK HERE

The 1978 Yamaha full line up brochure is located: CLICK HERE

The Germany 1978 Yamaha full line up brochure is located: CLICK HERE

The 1978 Yamaha DT400E store is located above.