Yamaha RXS100: The Classic Bike

18/03/2023

Rating: 4.04 (13065 votes)

The Yamaha RXS100 is a name that resonates with a particular generation of motorcycle enthusiasts, especially in markets where it enjoyed significant popularity. While its production run has long since concluded, the allure of this classic machine persists. It's not just a motorcycle; for many, it represents a period of youthful exuberance, simplicity, and a raw, unadulterated riding experience. This article delves into what made the RXS100 an icon, examining its technical prowess, its enduring appeal, and why it continues to be sought after by collectors and riders alike.

What is the return policy for Yamaha rxs100?
Yamaha RXS100 1983-On 83-On. Other royal mail postage for returns must be paid by the buyer Yamaha RS RXS100 RS125 1974-1994. "You pay return postage costs and, upon receipt and inspection, you will be refunded minus outgoing postage costs" Yamaha rsx100 .
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The Genesis of a Legend

Launched in the early 1980s, the Yamaha RXS100 was part of Yamaha's successful RX series. These bikes were designed to be lightweight, agile, and powered by punchy two-stroke engines, offering an exciting alternative to the more sedate four-stroke offerings of the time. The RXS100, in particular, captured the imagination with its sporty styling and performance that punched well above its weight class.

Technical Prowess: What Made it Tick?

At the heart of the RXS100 was its legendary 98cc, air-cooled, two-stroke, single-cylinder engine. This powerplant was renowned for its peppy acceleration and its distinctive, high-revving character. Coupled with a 5-speed gearbox, it provided a thrilling ride that was both engaging and surprisingly economical for its performance.

Here's a closer look at some of its key specifications:

SpecificationDetails
Engine Type98cc, Air-cooled, 2-stroke, Single Cylinder
Bore x Stroke50.0 x 49.0 mm
CarburetionVM20SS (or similar Mikuni)
IgnitionCDI
StartingKick Start
Transmission5-Speed Constant Mesh
ClutchWet, Multiple Disc
FrameDiamond Type Steel Frame
Suspension (Front)Telescopic Forks
Suspension (Rear)Swingarm, Monoshock (or Twin Shocks depending on variant)
Brakes (Front)Drum or Disc Brake (depending on variant)
Brakes (Rear)Drum Brake
Tyres (Front)2.50-17 4PR
Tyres (Rear)3.00-17 4PR
Dimensions (L x W x H)Approx. 1900 x 750 x 1050 mm
WheelbaseApprox. 1250 mm
Ground ClearanceApprox. 160 mm
Kerb WeightApprox. 100-110 kg
Fuel Tank CapacityApprox. 10-11 Litres
Max PowerAround 11-12 BHP (figures varied by market and specific model)

The Riding Experience: Pure and Simple

Riding an RXS100 is an experience that many modern riders would find refreshingly analogue. The lightweight chassis and nimble handling made it a joy to manoeuvre through city streets and twisty roads. The two-stroke engine, while requiring a bit more maintenance than its four-stroke counterparts, delivered an exhilarating burst of power when the throttle was opened. The distinctive exhaust note was a signature of its character, a sound that many fondly remember.

The ergonomics were typically sporty yet comfortable, making it suitable for both commuting and spirited weekend rides. The upright riding position, combined with responsive controls, offered a connected feel to the road, a trait that is often diluted in more modern, feature-laden motorcycles.

Enduring Appeal and Collectibility

The Yamaha RXS100's appeal today lies in its simplicity, its reliability (when well-maintained), and its iconic status. For many, it's a machine that evokes nostalgia for a bygone era of motorcycling. Original, well-preserved examples are increasingly rare and highly sought after by collectors. Restoring an RXS100 is a passion project for many, bringing back to life a piece of motorcycling history.

The modifications scene for the RXS100 is also vibrant. Enthusiasts often customise these bikes, enhancing their performance or aesthetics, further cementing their status as a platform for personalization. The availability of aftermarket parts, though sometimes challenging to find, ensures that these machines can continue to be enjoyed for years to come.

Maintenance and Care: Keeping the Legend Alive

As a two-stroke motorcycle, the RXS100 requires specific maintenance practices. Regular cleaning of the carburettor, checking and topping up the oil reservoir for the autolube system (if equipped), and ensuring proper spark plug maintenance are crucial. Two-stroke engines generally require more frequent top-end rebuilds compared to four-strokes, but these are often straightforward procedures for those with mechanical inclination.

The clutch and gearbox are typically robust, but like any vintage motorcycle, regular fluid changes and inspections are vital. The electrical system, while relatively simple, should be checked for corrosion and secure connections, especially if the bike has been stored for extended periods.

Can a RD350 YPVS crank be rebuilt?
The Yamaha RD350 ypvs like most 2 strokes has a pressed together crankshaft assembly, but unlike most two stroke cranks the crank pin (the part the big end bearing runs on) is replaceable. On the 31K 1UA RD 350YPVS crank the Crank pin is integral to the inner flywheel web. This makes the crankshaft difficult to quote for a rebuild.

Why is the RXS100 Still Relevant?

In an era of sophisticated electronics, advanced rider aids, and increasingly complex engines, the Yamaha RXS100 stands out for its purity. It offers a connection to the machine and the road that is often lost in modern motorcycles. It’s a reminder of a time when motorcycling was perhaps more about the rider’s skill and connection to the mechanics than about the technology.

Furthermore, the RXS100 represents an accessible entry point into classic motorcycling. While prices for pristine examples can be high, many project bikes are available, offering a rewarding experience for those willing to put in the work. It’s a bike that teaches you about mechanics, about riding, and about the sheer joy of two-wheeled freedom.

Common Questions About the Yamaha RXS100

Q1: Is the Yamaha RXS100 a good bike for beginners?
While the RXS100 is lightweight and agile, its two-stroke engine can be quite punchy. For absolute beginners, a less powerful four-stroke might be more forgiving. However, with careful throttle control and practice, it can be a manageable and rewarding bike for a determined beginner.

Q2: What is the fuel efficiency of the RXS100?
Two-stroke engines are generally less fuel-efficient than comparable four-strokes, especially when ridden hard. The RXS100 would typically achieve around 30-40 km/litre, depending heavily on riding style and conditions.

Q3: Where can I find spare parts for a Yamaha RXS100?
Spare parts can be found through specialist vintage motorcycle parts suppliers, online marketplaces like eBay, and forums dedicated to classic Yamaha motorcycles. Some common wear-and-tear parts might also be available through general motorcycle parts distributors, but original or specific two-stroke parts may require dedicated sourcing.

Q4: What are the common issues with a Yamaha RXS100?
Common issues can include carburettor clogging due to infrequent use, wear in the two-stroke engine's top-end (piston and cylinder), electrical connection corrosion, and worn clutch plates. Regular maintenance is key to preventing most of these issues.

Q5: Is the RXS100 a good investment?
Well-maintained and original Yamaha RXS100 models are appreciating assets for collectors and enthusiasts. Their classic status and demand ensure that their value is likely to remain stable or increase over time, especially for sought-after variants.

Conclusion

The Yamaha RXS100 is more than just a motorcycle; it's a piece of history. Its blend of performance, simplicity, and iconic styling has secured its place in the hearts of many. Whether you're a seasoned collector or a rider looking for a taste of classic motorcycling, the RXS100 offers an uncompromised and exhilarating experience that continues to captivate.

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