VINTAGE RACE BIKES

SUZUKI

The Square Four That Defined an Era

THE STORY

Suzuki's approach to racing was always unconventional. The RG500 square-four two-stroke was a masterpiece of engineering — four cylinders arranged in a square formation, producing a sound and power delivery unlike anything else on the grid. Barry Sheene made it famous. The world fell in love.

Barry Sheene won back-to-back 500cc World Championships in 1976 and 1977 on the RG500, bringing Suzuki to the pinnacle of Grand Prix racing. The XR69 dominated endurance racing, while the GSX-R750 — launched in 1985 — rewrote the rules for production-based racing and became one of the most successful race bikes of all time.

RACING HIGHLIGHTS

Barry Sheene wins 500cc World Championship 1976 & 1977 on RG500

Marco Lucchinelli wins 500cc World Championship 1981 on RG500

Franco Uncini wins 500cc World Championship 1982 on RG500

XR69 wins multiple endurance world championships in the early 1980s

GSX-R750 dominates production-based racing from 1985 onwards

Kevin Schwantz wins 500cc World Championship 1993 on RGV500

NOTABLE RACE MODELS

TR500

1968–71

500cc

2-Stroke Twin

Suzuki's first serious GP contender. Paved the way for the RG500.

RG500

1974–87

500cc

Square-4 2T

The definitive 500cc GP machine of the late 1970s. Sheene's championship weapon.

RG250

1975–82

250cc

V2 2-Stroke

GP 250 works machine. Raced by Sheene and others in the smaller class.

XR69

1980–83

1000cc

4-Stroke Inline 4

Endurance world championship winner. Based on GS1000 — brutally effective.

GSX-R750

1985–present

750cc

4-Stroke Inline 4

Launched the modern superbike era. Race-prepared examples dominated production racing globally.

RGV250

1989–96

250cc

V2 2-Stroke

Production GP racer. Luca Cadalora and others won 250cc titles on this machine.

RGV500

1986–2001

500cc

V4 2-Stroke

Kevin Schwantz's 1993 championship machine. V4 layout, screaming two-stroke.

GSX-R1100 Race

1986–92

1100cc

4-Stroke Inline 4

Endurance and superbike racing. Dominant in AMA Superbike in the late 1980s.

COLLECTOR'S NOTE

The RG500 is the crown jewel of Suzuki collectibles — a genuine works or customer GP machine in race trim will command $30,000–$70,000. Provenance is everything; Barry Sheene-connected machines are in a different league entirely. The XR69 is exceptionally rare. GSX-R750 race bikes from the 1985–1988 period offer excellent value at $8,000–$20,000 and are actively raced in vintage classes worldwide.

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