Suzuki RG400 Gamma 1985—1986

I have put some RG 400 Gamma information on this page. I would be grateful of any contributions — sales brochures, magazine ads, magazine articles, pictures, specs, facts, corrections etc. Please scan the material in JPEG format (large enough that all the details are visible) and send them to me. Please tell me the source and the publication date if possible. If you send me pictures of your own bike, please follow these instructions.

In March 1983 Suzuki presented the RG250 Gamma, the first member of the becoming RG-Gamma family. The following year Suzuki introduced the largest member, RG500 Gamma and in 1985 even a 400cc version (RG400EW/EW-2) for the domestic market. It was destined for the highly competitive 400cc class in Japan and no bikes were made for export. The RG400 Gamma, like its brothers, copied the Suzuki racer with its four water-cooled cylinder arranged in a square, disc valves and all the latest two-stroke technology. The chassis was as avanced, with an aluminum box frame and Full-Floater rear suspension. The RG400 Gamma wasn't as long-lived as its brothers. The model discontinued only after two seasons. Type code: HK31A Jarmo Haapamäki, September 2002

1985 Suzuki year code: F

RG 400 Gamma 1985 Model code: RG400EW Overall length: 2 100 mm (82.7 in) Overall width: 695 mm (27.4 in) Overall height: 1 185 mm (46.7 in) Wheelbase: 1 425 mm (56.1 in) Dry weight: 153 kg (337 lbs) Engine type: Water-cooled 397 cc 2-stroke square-4. 59 hp/ 9.000 rpm, 4,9 kg-m/ 8.000 rpm (Japan). Click on the image for larger format.

1986 Suzuki year code: G

RG 400 Gamma 1986 Model code: RG400EW-2 Overall length: 2 100 mm (82.7 in) Overall width: 695 mm (27.4 in) Overall height: 1 185 mm (46.7 in) Wheelbase: 1 365 mm (53.7 in) Dry weight: 157 kg (345 lbs) Engine type: Water-cooled 397 cc 2-stroke square-4. 59 hp/ 9.000 rpm, 4,9 kg-m/ 8.500 rpm. Click on the image for larger format.

RG 400 Gamma Walter Wolf 1986 Overall length: 2 100 mm (82.7 in) Overall width: 695 mm (27.4 in) Overall height: 1 185 mm (46.7 in) Wheelbase: 1 425 mm (56.1 in) Dry weight: 158 kg (347 lbs) Engine type: Water-cooled 397 cc 2-stroke square-4. 59 hp/ 9.000 rpm, 4,9 kg-m/ 8.500 rpm. Click on the image for larger format.

Some pictures of the RG400 Gamma. I found these on the Internet. I don't know if the lower fairing was an option or if the owner has trashed the fairing. The picture source: http://w2252.nsk.ne.jp/~barry/

Some pictures of the RG400 Gamma '85. Click to enlarge. Pictures sent by Craig Egan.

More: Suzuki RG models

More: All Suzuki models

Sources: Roy Bacon's book of Suzuki etc.

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