Aprilia Classic 125 [1997 - 2001]: A Timeless Two-Stroke Cruiser Experience
Introduction
The Aprilia Classic 125, produced between 1997 and 2001, is a motorcycle that defies the ordinary. Designed as an entry-level cruiser with Italian flair, this bike blends the raw charm of a two-stroke engine with laid-back, custom-style ergonomics. While 125cc motorcycles often prioritize practicality over personality, the Classic 125 stands out with its distinctive engine character, retro-inspired aesthetics, and surprising versatility. Let’s take a ride through what makes this little Italian machine a cult favorite among riders who appreciate simplicity with a dash of excitement.
Engine Performance: The Heartbeat of a Two-Stroke
At the core of the Aprilia Classic 125 lies a liquid-cooled, single-cylinder two-stroke engine displacing 124.8cc. This powerplant delivers 15 HP (11 kW) at 6,600 RPM, with torque peaking at 12.7 Nm (9.4 lb-ft) at 6,500 RPM. While these numbers seem modest, the two-stroke design ensures a lively, buzzy performance that’s rare in modern four-stroke-dominated markets.
Riding Impressions:
- Throttle Response: The engine wakes up eagerly above 4,000 RPM, pulling smoothly until it hits its powerband around 6,000 RPM. The surge of acceleration feels exhilarating for a 125cc bike, though it tapers off near the claimed 114 km/h (70.8 mph) top speed.
- Sound & Vibration: The two-stroke’s signature raspy exhaust note is music to enthusiasts’ ears, accompanied by mild vibrations at higher revs—a small price for its spirited character.
- Fuel Efficiency: With an average consumption of 2.8 L/100 km (83 MPG), it’s frugal enough for daily commutes. Just remember to mix two-stroke oil into the fuel!
The six-speed gearbox is a standout feature, allowing precise control over the engine’s narrow powerband. Shifts are crisp, and the tall sixth gear makes highway cruising surprisingly relaxed for a small-displacement bike.
Design & Comfort: Retro Charm Meets Practicality
The Classic 125’s design borrows cues from larger cruisers, with a 1553 mm (61.1-inch) wheelbase, pulled-back handlebars, and a low-slung silhouette. The 720–830 mm (28.3–32.7-inch) seat height accommodates shorter riders, though taller riders might find the ergonomics slightly cramped for long journeys.
Key Features:
- Fuel Tank: The teardrop-shaped 10-liter (2.6-gallon) tank complements the retro vibe and offers a decent range of ~350 km (217 miles).
- Weight: At 145–148 kg (319–326 lbs), it’s lightweight enough for urban maneuvering but stable at higher speeds.
- Aesthetic Details: Chrome accents, spoked wheels, and a classic round headlamp give it timeless appeal.
The suspension setup—telescopic forks with 120 mm (4.7 inches) of travel upfront and dual hydraulic shocks at the rear—absorbs bumps adequately, though rough roads can feel harsh.
Handling & Braking: A Relaxed Cruiser Attitude
The Classic 125 isn’t a corner-carver, but its chassis geometry encourages a relaxed, confidence-inspiring ride:
- Steering Geometry: A 33° rake and 98 mm (3.9-inch) trail strike a balance between stability and agility.
- Wheels & Tires: The 19-inch front and 16-inch rear wheels wrapped in 90/90-19 and 130/90-16 tires provide predictable grip and a planted feel.
Braking duties are handled by a 230 mm front disc with a twin-piston caliper and a 160 mm rear drum. While adequate for city speeds, the rear drum lacks bite during aggressive stops—a common trait in budget-friendly bikes of this era.
Competition: How Does It Stack Up?
In the late ’90s, the 125cc cruiser segment was niche but competitive. Here’s how the Aprilia Classic 125 compares:
1. Yamaha Virago 125
- Engine: Air-cooled four-stroke (125cc)
- Power: 11 HP
- Pros: Smoother power delivery, lower maintenance.
- Cons: Heavier (158 kg) and less thrilling than the Aprilia’s two-stroke.
2. Honda Shadow 125
- Engine: Four-stroke V-twin (125cc)
- Power: 12 HP
- Pros: Iconic V-twin styling, Honda reliability.
- Cons: Less peaky powerband; lacks the Aprilia’s “fun factor.”
3. Suzuki Marauder 125
- Engine: Air-cooled four-stroke (125cc)
- Power: 14 HP
- Pros: Sleek design, comfortable ergonomics.
- Cons: Heavier (150 kg) and less efficient than the Aprilia.
Verdict: The Aprilia Classic 125 trades practicality for personality. Its two-stroke engine and six-speed gearbox make it a joy for enthusiasts, though rivals offer easier ownership for casual riders.
Maintenance: Keeping the Classic Alive
Owning a two-stroke motorcycle requires diligence, but the Classic 125 rewards those who care for it. Here’s what to prioritize:
1. Engine & Transmission
- Two-Stroke Oil: Use high-quality synthetic oil (e.g., Motul 710) mixed at the correct ratio.
- Spark Plugs: The NGK BR10EG plug requires regular checks. Consider upgrading to iridium (BR10EIX) for longer life.
- Cooling System: Monitor coolant levels (700 ml capacity) and flush annually.
2. Gearbox & Chain
- Oil Changes: Use SAE 75W-90 gear oil every 5,000 km (3,100 miles).
- Chain Maintenance: Clean and lubricate the chain every 500 km (310 miles) to prevent wear.
3. Brakes & Suspension
- Brake Fluid: Replace DOT 4 fluid every two years.
- Upgrades: Swap the rear drum for a disc brake kit (available at MOTOPARTS.store) for improved stopping power.
4. Electrics
- Battery: The 12V 9Ah unit needs periodic charging if the bike sits unused.
Conclusion: A Love Letter to Simplicity
The Aprilia Classic 125 isn’t just a motorcycle—it’s a gateway to the analog joys of riding. From the addictive two-stroke soundtrack to its unpretentious design, this bike reminds us why lightweight, characterful machines matter. While it demands more attention than modern four-strokes, the trade-off is a riding experience that feels authentically raw and engaging.
Whether you’re restoring a Classic 125 or upgrading its components, MOTOPARTS.store offers everything from performance spark plugs to retro-style accessories. Keep the legend alive, and let every ride be a celebration of motorcycling’s golden era.
Specifications sheet
Engine | |
---|---|
Stroke: | Two-stroke |
Max power: | 11 kW | 15.0 hp |
Max torque: | 13 Nm |
Fuel system: | Dell'Orto PHBH 28 RD carburetor |
Max power @: | 6600 rpm |
Displacement: | 125 ccm |
Max torque @: | 6500 rpm |
Configuration: | Single |
Cooling system: | Liquid |
Compression ratio: | 12.5:1 |
Number of cylinders: | 1 |
Dimensions | |
---|---|
Wheelbase: | 1550 mm (61.0 in) |
Dry weight: | 145 |
Wet weight: | 148 |
Seat height: | 720–830 mm (28.3–32.7 in) |
Overall width: | 780 mm (30.7 in) |
Overall height: | 1120 mm (44.1 in) |
Overall length: | 2300 mm (90.6 in) |
Ground clearance: | 180 mm (7.1 in) |
Fuel tank capacity: | 10 L (2.6 US gal) |
Drivetrain | |
---|---|
Final drive: | chain |
Gearbox oil: | SAE 75W-90 GL-4 |
Transmission: | 6-speed |
Rear sprocket: | 40 |
Front sprocket: | 14 |
Maintenance | |
---|---|
Rear tire: | 130/90-16 |
Engine oil: | 2-stroke oil (premixed with fuel) |
Front tire: | 90/90-19 |
Brake fluid: | DOT 4 |
Gearbox oil: | SAE 75W-90 GL-4 |
Spark plugs: | NGK BR10EG or NGK BR10EIX |
Spark plug gap: | 0.8 |
Coolant capacity: | 0.7 |
Forks oil capacity: | 0.84 |
Mixer oil capacity: | 2 L (0.5 US gal) |
Chassis and Suspension | |
---|---|
Frame: | Double open cradle |
Rear brakes: | 160 mm drum |
Front brakes: | Single 230 mm disc, 2-piston caliper |
Rear suspension: | Dual hydraulic shock absorbers, 70 mm travel |
Front suspension: | Telescopic fork, 120 mm travel |