Rieju 125 Tango Pro (2006 – 2021): A Versatile Companion for Urban Explorers and Trail Enthusiasts
Introduction
The Rieju 125 Tango Pro isn’t just a motorcycle—it’s a chameleon. From its early days as an enduro-focused machine to its later iterations as a street-friendly Scrambler or urban naked bike, this Spanish-built 125cc motorcycle has carved a niche for riders who crave adaptability. Produced from 2006 to 2021, the Tango Pro evolved subtly but retained its core identity: lightweight agility, approachable power, and a rugged charm that invites customization. After spending a day testing a well-maintained 2020 Scrambler variant, it’s clear why this model generation remains a favorite for riders seeking a blank canvas for adventure.
Design & Ergonomics: Functional Simplicity with a Hint of Rebellion
The Tango Pro’s design ethos leans into practicality. Its steel perimeter frame—common across all variants—is a workhorse, designed to withstand both potholed city streets and rocky trails. The detachable sub-chassis is a thoughtful touch, simplifying maintenance or customization.
- Enduro Roots: Early models (2006–2015) embraced a no-nonsense off-road aesthetic. Think high-mounted fenders, knobby tires (90/100-19 front, 120/90-16 rear), and a narrow profile optimized for threading through tight trails. The 790–840 mm seat height (31.1–33.1 inches) felt tall for shorter riders but paid dividends in ground clearance.
- Scrambler Transition: Post-2016 models, like the Tango 125i Scrambler, softened edges with 17-inch wheels (100/80-17 front, 130/70-17 rear), lower exhausts, and street-biased tires. The swept-up silencer with a heat shield added retro flair without sacrificing function.
- Rider Triangle: The upright riding position suits both commuting and light off-roading. At 830 mm (32.7 inches), the seat is accessible for most riders, and the narrow tank profile makes gripping with your knees effortless.
Color options evolved from bold yellows and oranges (early enduro models) to muted reds and blacks in later years—a nod to its growing urban appeal.
Engine & Performance: A 125cc Workhorse with Surprising Character
The air-cooled, single-cylinder 125cc engine is the Tango Pro’s beating heart. While specs won’t set speed records, its reliability and tunability are legendary.
- Carburetor to Injection: Early models (pre-2019) used Mikuni VM20SS or VM26SS carburetors, offering mechanical simplicity and easy tuning. Post-2019 variants adopted fuel injection, improving cold starts and fuel efficiency (6.3–7.5 L / 1.66–1.98 gal tank).
- Power Delivery: With ~14.5 HP (10.6 kW) in later models, the Tango Pro thrives in the mid-range. The 5-speed gearbox is crisp, though highway speeds (90–100 km/h / 56–62 mph) demand patience. Off-road, the torquey low end shines—perfect for technical climbs.
- Soundtrack: The exhaust note is muted but throaty, avoiding the tinny whine of smaller-displacement bikes. Aftermarket slip-ons (hint: check MOTOPARTS.store’s catalog) can amplify its personality.
Handling & Suspension: Confidence on Mixed Terrain
Rieju’s chassis setup strikes a balance between stability and playfulness.
- Front Suspension: The 37 mm fork (Paioli on early enduros) offers 200 mm (7.9 inches) of travel—enough to soak up urban bumps or trail debris. It’s softly tuned, favoring comfort over aggressive cornering.
- Rear Suspension: The mono-shock (PRS system on enduro models) is adjustable for preload, accommodating solo rides or light cargo. Off-road, it maintains composure over roots and ruts; on-road, it avoids wallowing.
- Brakes: Single discs front and rear (200 mm diameter) provide adequate stopping power. Wave-style rotors on later models improve bite in wet conditions.
The Tango Pro’s 109–114 kg (240–251 lb) dry weight makes it flickable in traffic. Swap tires based on your mission: the Scrambler’s 17-inch wheels favor asphalt, while the enduro’s 19/16 combo tackles dirt with ease.
Riding Experience: Where This Bike Truly Shines
Urban Jungle: Filtering through traffic is a breeze. The narrow handlebars and tight turning radius make U-turns effortless, while the upright posture grants visibility over cars. Fuel injection ensures throttle response is snappy, not jerky.
Backroad Blitz: On twisty secondary roads, the Tango Pro feels alive. Lean angles are limited by footpeg placement, but the bike encourages you to carry momentum.
Off-Road Play: Early enduro variants (pre-2015) excel here. The 19-inch front wheel rolls over obstacles smoothly, and the torquey engine chugs up hills without stalling. Later Scramblers can handle gravel paths but lack the suspension travel for serious trails.
Competition: How the Tango Pro Stacks Up
The 125cc segment is fiercely competitive. Here’s where the Rieju stands out:
- Yamaha WR125X: More powerful (15 HP) and sharper handling, but pricier and less customizable. The Tango Pro counters with a sturdier frame and lower seat height.
- Honda CRF125F: A pure off-roader with superior suspension but lacks the Tango Pro’s street legality and versatility.
- Beta RR 125: High-end components and race-ready, but maintenance-intensive. The Rieju wins for daily riders seeking reliability.
Scrambler Rivals: Competitors like the Sinnis Terrain 125 match the Tango’s style but fall short in build quality. Rieju’s steel frame and Euro 3 compliance give it an edge.
Maintenance: Keeping Your Tango Pro Thriving
Owners praise the Tango Pro’s simplicity, but smart upkeep ensures longevity:
- Oil Changes: The 1.1 L (1.16 qt) capacity demands fresh oil every 3,000 km (1,864 mi). Use 10W-40 JASO MA2.
- Chain Care: The O-ring chain lasts longer if cleaned and lubricated every 500 km (310 mi). Check tension frequently—35–45 mm (1.4–1.8 in) of slack is ideal.
- Valve Adjustments: Every 6,000 km (3,728 mi) for carbureted models; 8,000 km (4,970 mi) for fuel-injected.
- Brake Upgrades: Swap pads to sintered compounds for improved bite. MOTOPARTS.store offers wave rotors for sharper feedback.
Customization Tips:
- Fit a high-mounted fender for off-road excursions.
- Upgrade to LED lighting for better visibility.
- Add a rear rack for cargo—perfect for weekend camping trips.
Final Thoughts: A Motorcycle That Grows with You
The Rieju 125 Tango Pro isn’t about raw power or cutting-edge tech. It’s about freedom—to commute, explore, and tinker. Whether you’re a new rider honing skills or a veteran seeking a stress-free daily rider, this bike adapts. Its longevity (15 years in production!) speaks volumes. Test-riding the Scrambler variant left me grinning, not from speed, but from the sheer joy of a machine that invites you to make it your own.
Ready to personalize your Tango Pro? Explore MOTOPARTS.store’s curated selection of upgrades—because every great adventure starts with the right gear.
Specifications sheet
| Engine | |
|---|---|
| Stroke: | Four-stroke |
| Max power: | 11 kW | 15.0 hp |
| Fuel system: | Carburetor (Mikuni VM20SS) or Fuel Injection (depending on model year) |
| Displacement: | 125 ccm |
| Bore x stroke: | 54.0 x 54.0 mm (2.1 x 2.1 in) |
| Configuration: | Single |
| Cooling system: | Air |
| Emission details: | Euro 3 |
| Compression ratio: | N/A |
| Number of cylinders: | 1 |
| Valves per cylinder: | 2 |
| Dimensions | |
|---|---|
| Wheelbase: | 1330 mm (52.4 in) |
| Dry weight: | 109 |
| Seat height: | 830 mm (32.7 in, adjustable) |
| Overall width: | 785 mm (30.9 in) |
| Overall height: | 1132 mm (44.6 in) |
| Overall length: | 2040 mm (80.3 in) |
| Ground clearance: | N/A |
| Fuel tank capacity: | 7.5 L (1.98 US gal) |
| Drivetrain | |
|---|---|
| Final drive: | chain |
| Chain length: | N/A |
| Transmission: | 5-speed |
| Rear sprocket: | N/A |
| Front sprocket: | N/A |
| Maintainance | |
|---|---|
| Rear tire: | 120/90-16 (endu-o) o- 130/70-17 (sc-amble-) |
| Engine oil: | 10W40 |
| Front tire: | 90/100-19 (endu-o) o- 100/80-17 (sc-amble-) |
| Break fluid: | DOT 4 |
| Spark plugs: | NGK CR8E or NGK CR8EIX |
| Spark plug gap: | N/A |
| Coolant capacity: | N/A |
| Forks oil capacity: | N/A |
| Engine oil capacity: | 1.1 |
| Engine oil change interval: | N/A |
| Valve clearance (intake, cold): | N/A |
| Valve clearance check interval: | N/A |
| Valve clearance (exhaust, cold): | N/A |
| Recommended tire pressure (rear): | N/A |
| Recommended tire pressure (front): | N/A |
| Additional Notes | |
|---|---|
| Wheels: | Optional 17-inch wheels (Scrambler models) |
| Starter: | Electric or kick (depending on model year) |
| Color options: | Red, Black, White, Yellow, Orange (varies by year) |
| Chassis and Suspension | |
|---|---|
| Frame: | Highly resistant steel perimeter, detachable sub-chassis |
| Rear brakes: | Single disc (wave disc on some models) |
| Front brakes: | Single disc (wave disc on some models) |
| Rear suspension: | Mono-shock shock absorber (PRS system on some models) |
| Front suspension: | 37 mm telescopic fork (Paioli on some models) |
| Rear wheel travel: | N/A |
| Front wheel travel: | N/A |
