Suzuki RGV 250 [1989-1990]: A Two-Stroke Time Capsule That Still Thrills
Introduction: The Last Dance of the Road-Legal Racer
The Suzuki RGV 250 represents a fleeting moment in motorcycle history when manufacturers dared to transplant race-bred technology directly into street-legal machines. Produced for just two years (1989-1990), this pocket-sized missile encapsulates the raw, unfiltered ethos of 1980s two-stroke engineering. Designed as a homologation special to meet production racing requirements, the RGV 250 isn’t just a motorcycle—it’s a declaration of war against practicality. Let’s dissect why this bike remains a cult icon and what it’s like to ride a machine that feels perpetually on the edge of chaos.
Design & Styling: Function Over Form (But the Form Is Stunning)
The RGV 250M’s aesthetics scream "GP replica" with its twin-beam aluminum frame, banana-shaped swingarm, and dual exhausts exiting on the left side. The bodywork is minimalist yet aggressive, with a narrow waistline and a cockpit that forces you into a committed riding stance. The upside-down forks (a first for a production 250) and angular fairing weren’t just styling exercises—they were statements of intent.
Key Observations:
- Rider Triangle: The clip-ons are low, the rearset pegs are high, and the seat feels like a thinly padded plank. This isn’t a bike for commuting; it’s a tarmac scalpel designed to dissect corners.
- Weight Distribution: At 128 kg (282 lbs) dry, the RGV feels shockingly light when wheeling it out of a garage. The mass centralization around the engine and frame makes it flickable in a way modern bikes can’t replicate.
Engine & Performance: The Devil’s Symphony
The 249cc 90° V-twin two-stroke is a masterpiece of mechanical violence. With reed valves, liquid cooling, and Mikuni VM32SS carburetors, this engine doesn’t just deliver power—it detonates it.
Power Delivery:
- 7,000 RPM: Below this, the engine chugs along politely, offering just enough torque to navigate city streets without fouling plugs.
- 8,000–12,500 RPM: The powervalve opens, and all hell breaks loose. The tachometer needle swings toward redline as the RGV rockets forward with a manic, high-pitched wail. Peak power of 56 PS (42 kW) arrives at 9,500 RPM, but the real magic is in the 40 Nm (29.5 lb-ft) torque surge at 8,000 RPM that slingshots you out of corners.
Real-World Performance:
- 0–100 km/h (0–62 mph): ~5.2 seconds (quicker than many 600cc four-strokes of its era)
- Top Speed: 202 km/h (125 mph)—terrifying on a bike with a 1,375 mm (54.1 in) wheelbase
The catch? Fuel consumption averages 7.8 L/100 km (30 US mpg), and you’ll be mixing oil like a bartender at a two-stroke speakeasy.
Handling & Dynamics: A Ballet of Controlled Aggression
The RGV’s chassis is its crowning achievement. The aluminum twin-spar frame and 43 mm inverted forks provide telepathic feedback, while the Full Floater rear suspension (a Suzuki trademark) keeps the rear wheel planted under acceleration.
On the Road:
- Cornering: Lean angles of 58° are achievable before footpegs start scraping. The bike drops into turns with a nudge of the knees, and the 140/60-18 rear tire serves up grip that defies its skinny dimensions.
- Tank-Slappers: Hit a mid-corner bump while braking, and the front end dances like a cobra on caffeine. The anti-dive system helps but doesn’t eliminate the need for a firm grip and quick reflexes.
At the Track:
This is where the RGV shines. The 15/46 sprocket combo and close-ratio 6-speed gearbox let you exploit every last RPM. Braking from 160 km/h (100 mph) to 60 km/h (37 mph) for a tight corner feels drama-free thanks to the twin 290 mm discs and 4-piston calipers—a setup that outclasses most modern 300cc bikes.
Competition: How the RGV Stacks Up Against 250cc Royalty
Yamaha TZR250
- Pros: More stable at speed, better low-RPM manners, and a comfier seat.
- Cons: 52 PS engine feels softer, and the steel frame lacks the RGV’s razor edge.
- Verdict: The TZR is the sensible choice—which is exactly why RGV fans dismiss it.
Kawasaki KR-1S
- Pros: 55.5 PS radial-tyred missile with warp-speed acceleration.
- Cons: Suspension as subtle as a sledgehammer; steering too quick for mortal riders.
- Verdict: Faster in a straight line but harder to tame than the RGV.
Honda NSR250
- Pros: V4 engine delivers smoother power; iconic "Big Bang" exhaust note.
- Cons: Heavier (135 kg) and more complex with its RC valve system.
- Verdict: The NSR is the refined alternative, but it lacks the RGV’s wild streak.
The Bottom Line: The RGV 250 isn’t the fastest or most polished 250cc two-stroke, but it’s the one that feels most alive. It rewards skill and punishes complacency—a true rider’s bike.
Maintenance: Keeping the Two-Stroke Dream Alive
Owning an RGV 250 is a labor of love. Here’s what to watch:
- Engine Rebuilds:
- Two-strokes wear hard. Pistons and rings need replacement every 8,000–10,000 km (5,000–6,200 miles).
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Use NGK BR9ES plugs (gap 0.8 mm) and premium synthetic two-stroke oil (Silkolene Pro-2 recommended).
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Cooling System:
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The 1.6L liquid-cooling system must be flushed annually. Watch for corrosion in the aluminum radiator.
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Carburetion:
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Clean the VM32SS carburetors every 3,000 km. The ’89 model’s air screw setting (2 turns out) runs leaner than the ’90’s 1.75 turns.
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Suspension:
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Fork oil (SAE 10W, 429 ml per leg) degrades quickly. Upgrade to modern synthetic oil for better damping.
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Chain & Sprockets:
- The 114-link DID520V2 chain stretches rapidly. Replace with an X-ring chain and steel sprockets for longevity.
MOTOPARTS.store Recommendations:
- Upgrade to braided brake lines (DOT 4 fluid compatible) for firmer lever feel.
- Install an aftermarket expansion chamber (Leda or Jolly Moto) to unlock hidden midrange power.
- Swap the stock shock for a Nitron or Öhlins unit to tame the rear end on bumpy roads.
Conclusion: A Machine That Demands Respect (And Frequent Rebuilds)
The Suzuki RGV 250 isn’t a motorcycle for everyone—it’s a motorcycle for someone. That someone is a rider who cherishes the mechanical symphony of a two-stroke V-twin, who doesn’t mind sacrificing comfort for cornering prowess, and who views maintenance as meditation. In an era of rider aids and muted exhaust notes, the RGV 250 remains a visceral reminder of motorcycling’s unapologetic past.
Whether you’re restoring one or thrashing it at a track day, MOTOPARTS.store has the OEM-spec parts and performance upgrades to keep your RGV shredding tires—and eardrums—for years to come.
Specifikacijų lentelė
Variklis | |
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Taktas: | Dvitaškis |
Akumuliatorius: | 12V, 5Ah |
Uždegimas: | Pointless |
Pradžia: | Kick |
Maksimali galia: | 35 kW | 47.0 hp |
Maksimalus sukimo momentas: | 40 Nm |
Kuro sistema: | 2 x Mikuni VM32SS semi-flat carburetors |
Maksimali galia @: | 9500 rpm |
Uždegimo žvakės: | NGK BR9ES or NGK BR9EIX |
Darbinis tūris: | 249 ccm |
Didžiausias sukimo momentas @: | 8000 rpm |
Konfigūracija: | V |
Aušinimo sistema: | Liquid cooled |
Uždegimo žvakės tarpas: | 0.8 |
Suspaudimo santykis: | 7.5:1 |
Cilindrų skaičius: | 2 |
Matmenys | |
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Ratų bazė: | 1375 mm (54.1 in) |
Sausas svoris: | 128 |
Svoris su skysčiais: | 169 |
Sėdynės aukštis: | 755 mm (29.7 in) |
Bendras plotis: | 695 mm (27.4 in) |
Bendras aukštis: | 1065 mm (41.9 in) |
Bendras ilgis: | 2015 mm (79.3 in) |
Turning radius: | 3.1 m (10.2 ft) |
Prošvaisa: | 120 mm (4.7 in) |
Degalų bako talpa: | 17 L (4.5 US gal) |
Perdavimas | |
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Galinė pavara: | chain |
Pavarų perdavimo skaičiai: | {'1st': '2.454 (27/11)', '2nd': '1.625 (26/16)', '3rd': '1.235 (21/17)', '4th': '1.045 (23/22)', '5th': '0.916 (22/24)', '6th': '0.840 (21/25)'} |
Grandinės ilgis: | 114 |
Transmisija: | 6-speed, constant mesh |
Galinė žvaigždutė: | 46 |
Priekinė žvaigždutė: | 15 |
Pirminis reduktorius: | 2.565 (59/23) |
Techninė priežiūra | |
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Variklio alyva: | 10W |
Tuščiosios eigos greitis: | 1300 ± 150 rpm |
Stabdžių skystis: | DOT 4 |
Aušinimo skysčio talpa: | 1.6 |
Šakių alyvos talpa: | 0.858 |
Galinių padangų slėgis: | 2.5 bar (36 psi) |
Variklio alyvos talpa: | 1.1 |
Priekinių padangų slėgis: | 2.0 bar (29 psi) |
Pavarų dėžės alyvos talpa: | 0.7 |
Variklio alyvos keitimo intervalas: | Every 5000 km or 2 years (recommended) |
Važiuoklė ir pakaba | |
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Grėblys: | 26° |
Rėmas: | Twin spar, aluminium |
Takas: | 110 mm (4.3 in) |
Galinė padanga: | 140/60-18 |
Priekinė padanga: | 110/70-17 |
Galiniai stabdžiai: | Single 210 mm disc, 1-piston caliper |
Priekiniai stabdžiai: | 2 x 290 mm discs, 4-piston calipers |
Galinė pakaba: | Full Floater mono-shock, gas/oil damped, 7-way adjustable |
Priekinė pakaba: | Telescopic fork, 5-way adjustable with anti-dive, oil dampened |
Galinio rato eiga: | 140 mm (5.5 in) |
Priekinio rato eiga: | 120 mm (4.7 in) |