SYM SYMPHONY SR 50 [2009–2014]: A Timeless Urban Companion Revisited
Introduction
The SYM SYMPHONY SR 50, part of SYM’s Symphony series produced between 2009 and 2014, remains a compelling choice for urban riders seeking practicality, simplicity, and reliability. Designed as a high-wheel scooter with a focus on maneuverability and comfort, this Taiwanese-built model carved out a niche in the competitive 50cc segment. Having spent time with a well-maintained 2012 example, it’s clear why this scooter still resonates with commuters and casual riders alike. Let’s dive into what makes the SYMPHONY SR 50 a standout—and where it fits in today’s landscape.
Design & Ergonomics: Compact Yet Capable
The SYMPHONY SR 50’s design prioritizes function over flair, but it’s far from utilitarian. Its 1,986–2,000 mm (78.2–78.7 in) length and 690 mm (27.2 in) width give it a nimble footprint, ideal for weaving through traffic or squeezing into tight parking spots. The high-mounted 16-inch wheels (a feature shared across most model years) contribute to a commanding riding position, enhancing stability on uneven roads—a boon for city dwellers tackling potholes and curbs.
The scooter’s steel underbone frame feels robust without adding excessive weight. Dry weight varies between 100–116 kg (220–256 lbs), depending on the year and configuration, making it easy to handle at low speeds. Color options evolved over time, ranging from muted grays and silvers to bolder blacks and reds, with later models offering matte finishes for a modern touch.
The 770 mm (30.3 in) seat height accommodates riders of most statures, while the flat floorboard provides ample legroom. SYM’s attention to ergonomics shines here: the handlebars fall naturally to hand, and the analog speedometer (paired with basic indicator lights) keeps things straightforward. Storage is limited to a small under-seat compartment—enough for a helmet or groceries, but you’ll want a top case for longer hauls.
Engine & Performance: Modest Power, Maximum Practicality
At the heart of the SYMPHONY SR 50 lies a 49.6 cc air-cooled single-cylinder four-stroke engine, delivering 3.9 HP (2.9 kW) at 8,500 RPM and peak torque of 3.1 Nm (2.3 lb-ft). These figures won’t set records, but they’re perfectly suited to urban commuting. The engine pairs with a CVT automatic transmission and centrifugal clutch, ensuring hassle-free operation—just twist and go.
During my test ride, the scooter felt peppy off the line, reaching 50 km/h (31 mph) effortlessly. Top speed hovers around 60–65 km/h (37–40 mph), though steep inclines or headwinds require patience. The switch to a 12.2:1 compression ratio in later models (up from 10.5:1) sharpened throttle response slightly, but this remains a machine optimized for relaxed riding.
Fuel efficiency is a highlight. The 5.5-liter (1.45 US gal) tank delivers a 200–250 km (124–155 mi) range, depending on riding style. The carbureted fuel system is a double-edged sword: it’s simpler to maintain than fuel injection but demands occasional tuning, especially in fluctuating temperatures.
Handling & Comfort: Confidence on Concrete
The SYMPHONY SR 50’s 16-inch wheels and 1,300–1,330 mm (51.2–52.3 in) wheelbase strike a fine balance between agility and stability. On cobblestone streets and tram tracks, the scooter felt planted, with minimal wobble even at slower speeds. The telescopic front fork and unit swing rear suspension handle minor bumps competently, though sharper potholes send a jolt through the chassis.
Braking evolved across generations. Early models used a front disc (226 mm) and rear drum, while later variants added an optional rear disc. The disc/drum combo on my test bike provided adequate stopping power for urban speeds, though the rear drum requires a firm pull during sudden stops.
Tire sizes shifted from 90/80-16 to 110/70-16 in later years, improving grip and cornering stability. At recommended pressures (1.75 bar/25 psi front, 2.0–2.25 bar/29–33 psi rear), the tires inspire confidence in wet conditions.
Competition: How Does It Stack Up?
The 50cc scooter market is fiercely competitive. Here’s how the SYMPHONY SR 50 compares to its peers:
- Honda Vision 50: Honda’s offering boasts fuel injection and a slightly smoother engine, but it’s heavier and pricier to maintain. The SYM counters with simpler mechanics and better low-speed maneuverability.
- Yamaha NMax 50: A more modern design with liquid cooling and sharper styling, but the Yamaha’s complexity can be a drawback for DIY enthusiasts.
- Peugeot Kisbee 50: Similar in spirit, the Kisbee matches the SYM’s practicality but lags in build quality and suspension refinement.
The SYMPHONY SR 50’s edge lies in its ease of maintenance and lower ownership costs, making it a favorite among riders who prioritize reliability over cutting-edge tech.
Maintenance: Keeping Your SYMPHONY in Tune
SYM scooters are renowned for their durability, but proactive care is key:
- Oil Changes: Use SAE 10W-40 (650 ml/22 oz with filter). Schedule changes every 2,000–3,000 km (1,200–1,800 mi).
- Spark Plugs: The NGK CR7HSA plug needs checking every 5,000 km (3,100 mi). Gap according to manufacturer specs.
- Belt & CVT: Inspect the drive belt every 10,000 km (6,200 mi). Look for cracks or fraying—a worn belt saps acceleration.
- Brakes: Replace rear drum shoes or disc pads when thickness drops below 2 mm (0.08 in). Use DOT 4 fluid for hydraulic systems.
- Tires: The 16-inch wheels favor durability, but check tread depth monthly. Replace if below 1.6 mm (0.06 in).
For owners, upgrading to premium aftermarket parts can enhance reliability. Consider:
- High-performance air filters for better airflow.
- Reinforced drive belts for smoother acceleration.
- LED lighting kits to improve visibility.
Conclusion: A Scooter That Ages Gracefully
The SYM SYMPHONY SR 50 isn’t about thrilling speed or flashy tech—it’s about getting you where you need to go, day after day, with minimal fuss. Its rugged build, forgiving ergonomics, and straightforward mechanics make it a timeless choice for city riders. While newer scooters offer more polish, few match the SYM’s blend of affordability and resilience.
Whether you’re maintaining a well-loved SYMPHONY or customizing one to suit your style, MOTOPARTS.store has the expertise and components to keep your ride at its best. From OEM-spec replacements to performance upgrades, we’re here to help you make the most of this urban workhorse.
Ride safe, and see you on the road!
Specifications sheet
| Engine | |
|---|---|
| Stroke: | Four-stroke |
| Ignition: | CDI |
| Max power: | 2.9 kW | 4.0 hp |
| Max torque: | 3.1 Nm |
| Fuel system: | Carburetor (CV) |
| Lubrication: | Dry sump |
| Max power @: | 8500 rpm |
| Displacement: | 50 ccm |
| Max torque @: | 6500 rpm |
| Configuration: | Single |
| Cooling system: | Air-cooled |
| Compression ratio: | 12.2:1 |
| Number of cylinders: | 1 |
| Dimensions | |
|---|---|
| Wheelbase: | 1330 mm (52.4 in) |
| Dry weight: | 100 |
| Seat height: | 770 mm (30.3 in) |
| Overall width: | 690 mm (27.2 in) |
| Overall height: | 1125 mm (44.3 in) |
| Overall length: | 2000 mm (78.7 in) |
| Fuel tank capacity: | 5.5 L (1.45 US gal) |
| Drivetrain | |
|---|---|
| Final drive: | Belt |
| Transmission: | Automatic CVT |
| Maintainance | |
|---|---|
| Battery: | 12V 6 Ah |
| Engine oil: | 10W40 |
| Idle speed: | 2100 ± 100 RPM |
| Brake fluid: | DOT 4 |
| Spark plugs: | NGK CR7HSA |
| Rear tire pressure: | 2.0 bar (29 psi) solo, 2.25 bar (33 psi) with passenger |
| Engine oil capacity: | 0.9 |
| Front tire pressure: | 1.75 bar (25 psi) |
| Engine oil change interval: | Every 5000 km or 2 years |
| Additional Features | |
|---|---|
| Starter: | Electric & kick |
| Headlight: | 35W/35W |
| Color options: | Black, Silver, Grey, White, Red, Matt Grey |
| Emission standard: | Euro 3 |
