Qj Motor Srk 400
The Qj Motor Srk 400 has a top speed of ~160 km/h (estimated; note: official figure not widely confirmed), produces ~42 hp and weighs ~189 kg. Motoryk rates it 7/10.
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~42 hp
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~37 Nm
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~189 kg
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~160 km/h (estimated; note: official figure not widely confirmed)
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Estimated 4.0β5.0 L/100km (note: based on comparable 400cc parallel-twin models; official QJ Motor figures may vary slightly)
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π§ Service Schedule & Parts
Affiliate Β· we may earn| Service item | Every | Typical cost | Parts |
|---|---|---|---|
| π’οΈ Engine oil + oil filter | 5,000 km / 3,000 mi or 6 mo | $40-80 | π’οΈ Buy β βοΈ Buy β |
| π¬οΈ Air filter | 10,000 km / 6,000 mi | β | π¬οΈ Buy β |
| β‘ Spark plugs | 10,000 km / 6,000 mi | β | β‘ Buy β |
| π§ Valve clearance check | 20,000 km / 12,500 mi | $150-300 | |
| π Chain & sprockets | 20000-35000 km (replace) | $120-250 | π Buy β |
| π Brake pads | 15000-25000 km | $30-60 | π Buy β |
| π§ Brake fluid | 24,000 km / 15,000 mi or 2 yr | β | |
| π§ Coolant | 20,000 km / 12,500 mi | β | |
| π Tires | 15000-25000 km | $180-350 | π Buy β |
| π© Major service | 20,000 km / 12,500 mi | $250-500 |
Video Review
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CFMoto-Derived Engine
The SRK 400 uses a parallel-twin engine closely related to CFMoto's proven 400cc platform, giving it a reasonably solid reliability foundation for a budget-friendly middleweight. Parts availability benefits from shared components across QJ Motor's growing lineup.
Watch Electrical Gremlins
Early owners have reported minor electrical issues including sensor faults and inconsistent instrument cluster behavior, so inspect the wiring harness and check for any warning light history before buying. Software/ECU updates from dealers have addressed some of these concerns.
Depreciation Hits Fast
As a Chinese-brand motorcycle, the SRK 400 depreciates quickly, which is bad for sellers but a strong advantage for used buyers who can get a feature-rich bike with modern styling at a significantly reduced price. Resale demand is still growing as the brand builds its reputation.
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"Solid budget-friendly naked if you buy a well-maintained example."
$3,500-$5,500 usedThe SRK 400 is QJ Motor's attempt to crack the middleweight naked segment, and honestly? It's more convincing than you'd expect from a Chinese brand five years ago. The parallel twin pulls cleanly from low revs, the ergonomics are genuinely comfortable for commuting and weekend blasts, and the switchgear quality surprised me. For the used price you're looking at, it's hard to argue against the value proposition. Here's where you need to pay attention shopping used: check the cooling system religiously. Early examples had radiator hose routing that chafed against the frame, and owners who ignored it ended up with nasty coolant leaks. Also inspect the dash connectors β water ingress causes gremlins. Find a bike with dealer service history and you're probably fine. Skip anything with unknown maintenance. The riding experience won't blow your socks off β it's competent rather than exciting β but it's genuinely usable, well-specced with Brembo-adjacent braking and decent suspension. Think of it as a workhorse that punches slightly above its weight class.
Top 10 Accessories
Curated picks for the Qj Motor Srk 400 β owned, ridden, recommended.
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Cold start difficulty, rough idle, hesitation on throttle
Check all lights, dash, indicators function correctly
Inspect around valve cover and engine cases carefully
Check chain slack, sprocket teeth for hooking or wear
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Decent budget bike, electrical and fuel need attention
Full Specifications
Rivals & Alternatives
Bikes that buyers cross-shop with the Qj Motor Srk 400
Kawasaki Ninja 400
Kawasaki Ninja 650
Suzuki Gixxer Sf 250
Qj Motor Srk 600
Cfmoto 450sr
Compare Qj Motor Srk 400 Side-by-Side
compare_arrowsSpecs, power, weight & buyer verdict β head-to-head with the bikes most often cross-shopped.
Qj Motor Srk 400 vs Kawasaki Ninja 400
Specs Β· Power Β· Buyer verdict
Qj Motor Srk 400 vs Kawasaki Ninja 650
Specs Β· Power Β· Buyer verdict
Qj Motor Srk 400 vs Suzuki Gixxer Sf 250
Specs Β· Power Β· Buyer verdict
Qj Motor Srk 400 vs Qj Motor Srk 600
Specs Β· Power Β· Buyer verdict
Qj Motor Srk 400 vs Cfmoto 450sr
Specs Β· Power Β· Buyer verdict
More Qj Motor Srk 400 Guides
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View all Qj Motor models βCommunity Reviews
Discussion
Frequently Asked Questions
What are common problems with the Qj Motor Srk 400? +
Carburetor clogging and fuel delivery issues: Cold start difficulty, rough idle, hesitation on throttle (moderate) | Electrical gremlins, poor connector quality: Check all lights, dash, indicators function correctly (moderate) | Engine oil leaks from gaskets: Inspect around valve cover and engine cases carefully (moderate)
Is the Qj Motor Srk 400 a good motorcycle? +
Solid budget-friendly naked if you buy a well-maintained example. Rating: 7.0/10. Best for: Budget-conscious commuters wanting modern features affordably. Avoid if: You need proven long-term reliability confidence.
What is the horsepower of the Qj Motor Srk 400? +
The Qj Motor Srk 400 produces ~42 hp @ 9,500 rpm (estimated based on available market data), with ~37 Nm @ 7,500 rpm (estimated based on available market data) of torque. Top speed: ~160 km/h (estimated; note: official figure not widely confirmed).
Is the Qj Motor Srk 400 good for beginners? +
Yes β the Qj Motor Srk 400 is a reasonable choice for new riders (42 hp is manageable), weighing 189 kg. Budget-conscious commuters wanting modern features affordably
Is the Qj Motor Srk 400 reliable? +
The Qj Motor Srk 400 has no widely-reported critical reliability issues. 4 minor issues are documented β see the Common Problems section above.
Is the Qj Motor Srk 400 good for daily use? +
Budget-conscious commuters wanting modern features affordably Fuel: Estimated 4.0β5.0 L/100km (note: based on comparable 400cc parallel-twin models; official QJ Motor figures may vary slightly).
How fast is the Qj Motor Srk 400? +
The Qj Motor Srk 400 reaches a top speed of ~160 km/h (estimated; note: official figure not widely confirmed), producing 42 hp at 189 kg curb weight. Real-world performance depends on rider weight, gearing, and road conditions.
What gear should I buy for a Qj Motor Srk 400? +
Motoryk has curated a Top 10 gear list specifically for the Qj Motor Srk 400, covering engine oil, tires, chain, battery, and brake pads β see motoryk.com/bikes/qj-motor/srk-400/top10. Each pick is matched to this bike's spec.
