History of the Suzuki RM400 1978-1980 / DirtBikeDudeZ

The History of the Suzuki RM400 from 1978 to 1980
SUBSCRIBE for more dirt bike history and rebuild videos.
History:
The RM series is a model range of two-stroke motorcycles manufactured by Suzuki.
The letters "RM" stand for "Racing Model" and the motorcycles produced with this prefix in their model names are suited to use in motocross racing.
The first in the range was introduced in 1975 with the RM 125M, followed by the RM 125A, RM 250A, and RM 370A in 1976.

1978:
In 1978 Suzuki introduced the RM400 to the public, the largest Suzuki motorcrosser of the seventies.
Still air-cooled with conventional, but laid down twin shocks at the rear.
The U.S. sales brochure from '78 says this: ”Even if somebody could build an engine as good as the RM-400 Power Reed, they still couldn't beat Suzuki's air forks, aluminum works type box section arm, and laid dow, forward mounted gas-oil shocks (with reservoir) for total performance. Conical hub in front—full floating brake and magnesium hub panel in the rear.”

1979:
Modernized appearance and larger engine. The U.S. sales brochure from '79 tells this about the model:
Power Reed engine; CDI ignition; improved clutch release mechanis; 5-speed trans;leading axle rear
forks; forward mounted, gas-oil remote reservoir shocks, 2-way damping adjustment, 3-way spring load settings (11.8" rear wheel travel); full floating rear brake; magnesium brake panels/engine side covers; heavy duty chain tensioner and chain guide; extra-rigid, extruded aluminum swing arm; self-cleaning aluminum alloy rims; plastic fuel tank; slim-styled at 223 lbs.

1980:
New graphics but basically the same machine as the '79 RM400N. Wider 5.10-18 rear wheel, more ground clearance, a little heavier. You will find more specs on the RM400 magazine articles page
(Dirt Bike article, May 1980).
!!!KEEP ON BRAAAAPIN!!!
DirtBikeDudeZ