## Yamaha RX-500/U: A Sporting Icon Reborn

### Introduction

The Yamaha RX-500/U, a legendary sport bike from the 1980s, has left an indelible mark on the motorcycling landscape. Its potent engine, agile handling, and striking visuals have made it a timeless classic that continues to captivate enthusiasts worldwide.

### Engine Architecture

At the heart of the RX-500/U lies its potent 499cc, air-cooled, two-stroke parallel-twin engine. This high-revving powerplant delivers exhilarating performance, with a peak power output of 60 horsepower at an astonishing 9,500 rpm. The engine's dual carburetors ensure precise fuel delivery, resulting in crisp throttle response and lightning-fast acceleration.

### Chassis Geometry

The RX-500/U's chassis is a testament to Yamaha's engineering prowess. Its tubular steel frame provides an optimal balance of rigidity and agility, while the slender design contributes to its sleek and aerodynamic profile. The front suspension features a conventional telescopic fork with 33mm stanchions, providing responsive and controlled handling on a variety of surfaces. The rear suspension utilizes a Monocross monoshock with adjustable preload, allowing riders to tailor the bike's handling characteristics to suit their riding style.

### Suspension Dynamics

The RX-500/U's suspension system is carefully engineered to deliver both comfort and performance. The front fork's plush suspension absorbs bumps and irregularities with ease, while the progressive rear shock ensures stability and control even under heavy braking or acceleration. The wide range of adjustability allows riders to fine-tune the bike's suspension for a precise and responsive ride.

### Braking Performance

Braking duties are handled by a powerful hydraulic disc brake in the front and a conventional drum brake in the rear. The front brake provides ample stopping power, while the rear brake offers progressive and predictable feel. The combination of front and rear brakes provides balanced and confident braking performance.

### Visual Appeal

Beyond its mechanical prowess, the RX-500/U's striking visuals have cemented its iconic status. Its sleek fairings, angular lines, and sporty decals exude an aggressive and dynamic presence. The sharp-looking headlights and taillight add to the bike's distinctive appearance, making it instantly recognizable even amidst a crowd of modern machines.

### Conclusion

The Yamaha RX-500/U is a motorcycle that transcends generations. Its potent engine, agile handling, and timeless design have made it a beloved classic that continues to inspire riders to this day. Its combination of performance, style, and heritage make it an ideal choice for enthusiasts seeking a true icon of the sport bike era.

YAMAHA RX-500/U Service Manual