Buffalo Silverfox 50 [2002-2004] Review: A Nimble Companion for Urban Adventures

Introduction

The Buffalo Silverfox 50 represents an era when lightweight, no-nonsense motorcycles ruled city streets. Designed as a practical commuter with just enough pep for urban navigation, this 50cc two-stroke machine carved its niche among riders seeking simplicity and agility. While its production spanned only three years (2002-2004), the Silverfox 50 remains a cult favorite for its minimalist charm and mechanical straightforwardness. After spending a week with a well-preserved 2003 model, here's why this pocket-sized workhorse still turns heads today.

Design & Ergonomics

The Silverfox 50 embraces function-over-flair design philosophy. Its angular fuel tank, flat bench seat, and exposed steel frame give it an industrial aesthetic that contrasts with today's overly plastic-clad scooters. The 74 kg (163 lbs) curb weight makes it laughably easy to maneuver at stops – a blessing in stop-and-go traffic.

The riding position is upright and neutral, with handlebars positioned for relaxed control. The narrow profile (a mere 680mm seat width) lets riders filter through tight spaces effortlessly. While the suspension setup is basic – telescopic forks up front and dual shock absorbers at the rear – it handles urban potholes with surprising composure. The analog dashboard keeps things simple: just a speedometer, odometer, and warning lights.

Engine & Performance

At its heart lies an air-cooled 49.9cc single-cylinder two-stroke engine producing 3.1 PS (2.3 kW). Don't let the modest numbers fool you – the power delivery is zippy and immediate, perfect for darting between traffic lights. The carbureted mill thrives on revs, with a distinct two-stroke buzz kicking in around 4,000 RPM.

Key characteristics:
- Throttle Response: Crisp at low revs, though the tiny 13mm carburetor demands occasional choke love on cold mornings
- Top Speed: 55 km/h (34 mph) stock, though derestricted models can touch 65 km/h (40 mph)
- Fuel Economy: 35-40 km/l (82-94 mpg) when ridden conservatively
- Soundtrack: A raspy, agricultural exhaust note that's music to two-stroke enthusiasts' ears

The automatic centrifugal clutch and CVT transmission make it beginner-friendly, though experienced riders might crave more control. Maintenance is refreshingly simple – no valve adjustments (it's a two-stroke) and easy access to the spark plug (NGK BPR7HS) and air filter.

Handling & Ride Experience

Where the Silverfox 50 truly shines is in urban agility. The short 1,220mm wheelbase and 26-degree rake angle give it almost bicycle-like handling. Lean angles are limited by the stock tires' modest grip, but that's irrelevant in city riding.

Notable handling traits:
- Low-speed stability: Confident even at walking speeds
- Flickability: Changes direction with minimal handlebar input
- Braking: Mechanical drum brakes (front and rear) require deliberate lever pressure. Upgrade to sintered pads for better bite
- Tire recommendations: Stock 2.75-17 tires work for dry conditions; consider wider rubber for wet weather

The suspension soaks up minor bumps adequately, though sharp edges transmit noticeable feedback. At highway speeds (where permitted), the light weight makes crosswinds noticeable, but that's not its intended habitat.

Competition

The 50cc class in the early 2000s was fiercely contested. Here's how the Silverfox stacks up:

1. Honda NSR 50
2. Liquid-cooled two-stroke with slightly more power (4.5 PS)
3. Sportier styling but higher maintenance complexity

4. Less cargo space compared to Silverfox's rear rack

5. Yamaha DT50X

6. Enduro-style design with longer travel suspension
7. 6-speed gearbox appeals to enthusiasts

8. 15kg heavier than Silverfox

9. Aprilia SR50

10. Liquid-cooled DiTech engine with better emissions
11. More modern styling but reliant on electronics
12. Parts availability less consistent than Buffalo's

Silverfox Advantages:
- Lightest in class (74kg vs competitors' 80-90kg)
- Simpler maintenance with air cooling and carburetor
- Lower seat height (780mm) suits shorter riders

Maintenance

The Silverfox 50's mechanical simplicity makes it a DIY dream. Here are key maintenance aspects and MOTOPARTS.store recommendations:

1. Two-Stroke Oil System

• Mix ratio: 1:50 (2% oil) with JASO-FD certified oils
• Upgrade Tip: Install an aftermarket oil injection kit for precise lubrication

2. Carburetor Care

• Clean every 3,000 km using ultrasonic methods
• Jet sizes: Stock #58 main jet works for sea level; keep a #55-60 kit for altitude changes
• MOTOPARTS Pick: Keihin PWK 19mm carburetor for smoother throttle response

3. Belt Drive Maintenance

• Replace Gates PowerGrip GT2 belt every 10,000 km
• Check tension monthly: 10-12mm deflection under 10kg force
• Pro Tip: Carry a spare belt – easier than chain repair on the road

4. Brake System

• Fluid change: Annual DOT 4 replacement recommended
• Performance Upgrade: EBC 124X brake shoes for improved stopping

5. Cooling & Lubrication

• Air-cooling fins: Clean monthly with compressed air
• Final drive oil: 110ml SAE 85W-90 gear oil every 5,000 km

6. Tuning Potential

• Big-bore kits (70cc) available but check local regulations
• Performance exhausts add 15-20% power gain
• Clutch spring upgrades for quicker engagement

Conclusion

The Buffalo Silverfox 50 isn't about specs or cutting-edge tech – it's about the pure, unadulterated joy of simple motorcycling. For urban commuters and two-stroke enthusiasts, it offers a visceral riding experience that modern electric scooters can't replicate. While its 2002-2004 production run was brief, the aftermarket support (including MOTOPARTS.store's extensive catalog) ensures these bikes will keep buzzing through cities for decades.

Whether you're restoring a barn find or daily-riding a well-loved example, the Silverfox 50 rewards those who appreciate mechanical simplicity. It's a reminder that sometimes, less truly is more – especially when "less" comes with a cloud of two-stroke smoke and a cheeky grin.

Looking to keep your Silverfox 50 in peak condition? Explore our curated selection of Buffalo-specific parts, from OEM-spec belts to performance upgrades, at MOTOPARTS.store.