SUZUKI
RG500Γ
Suzuki RG500 Gamma
- Manufacturer
- SUZUKI
- Model
- RG500Γ
- Year
- 1985
- Type
- Racer Replica
- Origin
- Japan
01 — Overview
A road model drawing on Suzuki’s RG Gamma 500 cc Grand Prix works racers. Its liquid-cooled two-stroke square-four with rotary-valve induction sat in an aluminium-alloy box-section frame that housed the air cleaner. The Japanese-market version produced 64 PS and weighed 156 kg dry.
- MAKER
- SUZUKI
- PRODUCTION
- 1985–1989
- ERA
- 1980s
- CATEGORY
- Racer ReplicaSportsClassic
02 — Historical Context
HISTORICAL CONTEXT
According to Suzuki, the company won seven consecutive 500 cc manufacturers’ titles in the Grand Prix world championship from 1976 to 1982. “RG Gamma” was the name of its 500 cc works racers from 1981, and the road model took its name from them.
1980s — Liquid cooling, aluminium frames and full fairings — racing technology flowed into road machines.
03 — Engine
ENGINE
A power stroke every revolution: light, simple and explosive — and, as emissions rules tightened, gradually retired from road machines.General description of the layout
| Engine layout | other[1] |
|---|---|
| Cycle | Two-stroke[1] |
| Displacement | 498 cc[1] |
| Bore × stroke | 56 × 50.6 mm[1] |
| Compression ratio | 7.0:1[2] |
| Cooling | Liquid-cooled[1] |
| Valvetrain | rotary valve[1] |
| Max. power (Japan spec) | 64 PS / 8,500 rpm[1] |
| Max. torque (Japan spec) | 5.8 kgm / 7,500 rpm[1] |
| Transmission | 6-speed[1] |
| Final drive | chain[2] |
04 — Chassis / Frame
CHASSIS / FRAME
05 — Specifications
TECHNICAL SPECIFICATIONS
Every figure is sourced. Unverified values are not published.
| Production | 1985 – 1989[2] |
|---|---|
| Engine layout | other[1] |
| Cycle | Two-stroke[1] |
| Displacement | 498 cc[1] |
| Bore × stroke | 56 × 50.6 mm[1] |
| Compression ratio | 7.0:1[2] |
| Cooling | Liquid-cooled[1] |
| Valvetrain | rotary valve[1] |
| Max. power (Japan spec) | 64 PS / 8,500 rpm[1] |
| Max. torque (Japan spec) | 5.8 kgm / 7,500 rpm[1] |
| Transmission | 6-speed[1] |
| Final drive | chain[2] |
| Frame | aluminium alloy box-section[1] |
| Wheelbase | 1,425 mm[1] |
| Seat height | 770 mm[2] |
| Dry weight | 156 kg[1] |
| Fuel capacity | 22 L[2] |
Figures are shown per market: JP
06 — Generations
GENERATION HISTORY
1985 model1985–1989
Generations, model years and market variants (Model → Generation → Variant) are added as they are verified.
07 — Cultural Context
CULTURAL CONTEXT
08 — Gallery
GALLERY
RELATED MOTORCYCLES
09
10 — Sources
SOURCES
- [1]SUZUKI DIGITAL LIBRARY 二輪車 — RG500Γ（1985）スズキ株式会社 · manufacturer · accessed 2026-09-26
- [2]Suzuki RG500 — WikipediaWikipedia (English) · reference · accessed 2026-09-26
11 — Image Credits
PHOTO CREDITS
- Creator
- Nicholas Gemini
- License
- CC BY-SA 4.0 · Wikimedia Commons
- Nicholas Gemini, CC BY-SA 4.0, via Wikimedia Commons