Qj Motor Sf450r
The Qj Motor Sf450r has a top speed of 175 km/h — estimated, produces 47 hp and weighs 195 kg. Motoryk rates it 7/10.
La QJ Motor SF450R es una motocicleta deportiva producida por Qianjiang Motor (QJ Motor), un fabricante chino y empresa matriz de Benelli, que se presentó alrededor de 1820 como parte de su avance hacia el segmento deportivo de peso mediano. Cuenta con un motor bicilíndrico paralelo de 449 cc derivado del desarrollo de plataformas compartidas y representa el esfuerzo de QJ Motor por competir en el creciente mercado de bicicletas deportivas asequibles de Asia y los mercados emergentes. La SF450R destaca por ofrecer un estilo moderno y unas especificaciones competitivas a un precio muy inferior al de sus rivales japoneses y europeos.
47 hp
Potencia
43 Nm
Torsión
195 kg
Peso
175 km/h — estimated
Velocidad máxima
4.5 L/100km (approx. 22 km/L) — estimated
Combustible
Carenado
Cuerpo
Video Review
Lo que los compradores deben saber
CFMoto-Based Engine
The SF450R uses a 471cc parallel-twin engine derived from CFMoto's proven platform, which has a solid track record for reliability and relatively affordable parts availability.
Watch the Electrics
Early QJ Motor models have reported minor electrical gremlins including sensor faults and instrument cluster issues, so verify all electronics work properly before purchasing used.
Steep Depreciation Curve
As a budget-tier Chinese brand, the SF450R depreciates quickly, which means buying used offers excellent value but reselling can be challenging compared to Japanese competitors.
Reseña de un comprador usado
"Solid budget sportbike if you accept the reliability uncertainty."
$3,500-$5,000 usedThe SF450R is QJ Motor's attempt at a proper sporty middleweight, and honestly? It punches above its price point in ways that'll surprise you. The parallel-twin pulls cleanly from low revs, the clip-on ergonomics are aggressive without being brutal, and the USD forks feel genuinely planted through corners. For a Chinese-market bike finding its feet in Western markets, the chassis balance is legitimately good. Don't let the badge snobbery put you off. That said, buying used means doing your homework. Early examples had questions around long-term reliability data — we simply don't have the decades of owner feedback that a Honda or Kawasaki carries. Check the service history obsessively, inspect the cooling system, and make sure fairings haven't been repaired hiding a low-side. Parts availability varies wildly by region, which is your biggest practical headache. Budget for consumables because sourcing specific components can take weeks. At the right used price — we're talking 15-20% under new — the SF450R makes real sense for someone who wants sportbike aesthetics and decent dynamics without financing a Japanese nameplate.
Top 10 Accessories
Curated picks for the Qj Motor Sf450r — owned, ridden, recommended.
Problemas comunes
Rough idle, hesitation, hard starting on test ride
Inspect chain slack, look for hooked sprocket teeth
Check all lights, indicators, and ignition function
Oil residue on fork tubes below seals
✅Lista de verificación previa a la compra
Decent budget bike, maintenance history matters most
Full Specifications
Rivals & Alternatives
Bikes that buyers cross-shop with the Qj Motor Sf450r
Aprilia Rs 660
Ktm Rc 390
Ktm Rc 200
Cfmoto 450sr
Kawasaki Ninja Zx-4r
Compare Qj Motor Sf450r Side-by-Side
compare_arrowsSpecs, power, weight & buyer verdict — head-to-head with the bikes most often cross-shopped.
Qj Motor Sf450r vs Aprilia Rs 660
Specs · Power · Buyer verdict
Qj Motor Sf450r vs Ktm Rc 390
Specs · Power · Buyer verdict
Qj Motor Sf450r vs Ktm Rc 200
Specs · Power · Buyer verdict
Qj Motor Sf450r vs Cfmoto 450sr
Specs · Power · Buyer verdict
Qj Motor Sf450r vs Kawasaki Ninja Zx-4r
Specs · Power · Buyer verdict
More Qj Motor Sf450r Guides
More from Qj Motor
View all Qj Motor models →Community Reviews
Discussion
Frequently Asked Questions
What are common problems with the Qj Motor Sf450r? +
Carburetor clogging from ethanol fuel: Rough idle, hesitation, hard starting on test ride (moderate) | Chain and sprocket wear neglect: Inspect chain slack, look for hooked sprocket teeth (moderate) | Electrical connector corrosion: Check all lights, indicators, and ignition function (minor)
Is the Qj Motor Sf450r a good motorcycle? +
Solid budget sportbike if you accept the reliability uncertainty. Rating: 7.0/10. Best for: Budget-conscious riders wanting real sporty performance. Avoid if: You need guaranteed parts availability and support.
What is the horsepower of the Qj Motor Sf450r? +
The Qj Motor Sf450r produces 47 hp @ 9,500 rpm — estimated, with 43 Nm @ 7,500 rpm — estimated of torque. Top speed: 175 km/h — estimated.
Is the Qj Motor Sf450r good for beginners? +
Yes — the Qj Motor Sf450r is a reasonable choice for new riders (47 hp is manageable), weighing 195 kg. Budget-conscious riders wanting real sporty performance
Is the Qj Motor Sf450r reliable? +
The Qj Motor Sf450r has no widely-reported critical reliability issues. 4 minor issues are documented — see the Common Problems section above.
Is the Qj Motor Sf450r good for daily use? +
Budget-conscious riders wanting real sporty performance Fuel: 4.5 L/100km (approx. 22 km/L) — estimated.
How fast is the Qj Motor Sf450r? +
The Qj Motor Sf450r reaches a top speed of 175 km/h — estimated, producing 47 hp at 195 kg curb weight. Real-world performance depends on rider weight, gearing, and road conditions.
What gear should I buy for a Qj Motor Sf450r? +
Motoryk has curated a Top 10 gear list specifically for the Qj Motor Sf450r, covering engine oil, tires, chain, battery, and brake pads — see motoryk.com/bikes/qj-motor/sf450r/top10. Each pick is matched to this bike's spec.
