Yamaha Sr400 vs Yamaha Srx 600
Side-by-side comparison for used motorcycle buyers
Yamaha Sr400 vs Yamaha Srx 600. Yamaha Sr400: 24 hp @ 6,500 rpm hp, 175 kg (wet/curb weight) weight, top speed 145 km/h, Motoryk rating 7.5/10. Yamaha Srx 600: ~45 hp @ 7,500 rpm (estimated; Japanese domestic market figures vary slightly) hp, ~155 kg (wet/curb weight) weight, top speed ~160 km/h (estimated; note: varies by market and tuning), Motoryk rating 7.5/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Yamaha Sr400
Yamaha Srx 600
Horsepower (hp)
24 hp
45 hp
Torque (Nm)
28 Nm
50 Nm
Top Speed (km/h)
145 km/h
160 km/h
Weight (kg) — lower is better
175 kg
155 kg
Type
Classic
Classic
Horsepower
24 hp @ 6,500 rpm
~45 hp @ 7,500 rpm (estimated; Japanese domestic market figures vary slightly)
Torque
28 Nm @ 3,000 rpm
~50 Nm @ 6,000 rpm (estimated)
Top Speed
145 km/h
~160 km/h (estimated; note: varies by market and tuning)
Weight
175 kg (wet/curb weight)
~155 kg (wet/curb weight)
Fuel
2.7 L/100km (approximately 37 km/L)
3.5–4.5 L/100km (approx. 22–29 km/L typical real-world average)
Fairing
No
No
Individual Reviews
Yamaha Sr400
7.5/10
"A beautiful, rewarding machine — but only for committed, patient riders."
Pros
+Mechanically simple, easy maintenance
+Genuinely stunning classic styling
+Lightweight and flickable handling
Cons
−Kickstart-only, steep learning
−Seat comfort deteriorates fast
−Neglected carbs very common
Yamaha Srx 600
7.5/10
"A rewarding, characterful thumper for patient, spanner-savvy enthusiasts only."
Pros
+Charismatic single-cylinder engine
+Gorgeous minimalist styling
+Razor-sharp handling chassis
Cons
−Parts sourcing genuinely difficult
−Notorious starter reliability issues
−Vibration fatigues long distances
Top 10 Accessories
Picks that work on either bike.
