Yamaha Exc 450 (yamaha Branded) vs Yamaha Sz-rr 150
Side-by-side comparison for used motorcycle buyers
Yamaha Exc 450 (yamaha Branded) vs Yamaha Sz-rr 150. Yamaha Exc 450 (yamaha Branded): ~50 hp @ 9,500 rpm — ESTIMATE based on WR450F comparable data hp, ~118–125 kg (wet/curb weight) — ESTIMATE based on WR450F comparable data weight, top speed ~145–155 km/h — ESTIMATE based on WR450F comparable data, Motoryk rating 8.0/10. Yamaha Sz-rr 150: ~13.1 hp @ 7,500 rpm (estimated) hp, ~135 kg (wet/curb weight) weight, top speed ~110 km/h (estimated), Motoryk rating 7.0/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Yamaha Exc 450 (yamaha Branded)
Yamaha Sz-rr 150
Horsepower (hp)
50 hp
13.1 hp
Torque (Nm)
47 Nm
12.8 Nm
Top Speed (km/h)
145 km/h
110 km/h
Weight (kg) — lower is better
118 kg
135 kg
Type
Commuter
Commuter
Horsepower
~50 hp @ 9,500 rpm — ESTIMATE based on WR450F comparable data
~13.1 hp @ 7,500 rpm (estimated)
Torque
~47 Nm @ 7,500 rpm — ESTIMATE based on WR450F comparable data
~12.8 Nm @ 6,000 rpm (estimated)
Top Speed
~145–155 km/h — ESTIMATE based on WR450F comparable data
~110 km/h (estimated)
Weight
~118–125 kg (wet/curb weight) — ESTIMATE based on WR450F comparable data
~135 kg (wet/curb weight)
Fuel
Estimated 5–7 L/100km (off-road/enduro use) — ESTIMATE, model identity uncertain
Approx. 45-50 km/L (estimated real-world average)
Fairing
Yes
Yes
Individual Reviews
Yamaha Exc 450 (yamaha Branded)
8.0/10
"Buy a well-serviced example and you won't regret it."
Pros
+Broad, usable power delivery
+Excellent parts availability
+Bulletproof when maintained
Cons
−Valve clearances need frequent checking
−Heavy versus European rivals
−Neglected examples are expensive
Yamaha Sz-rr 150
7.0/10
"A sensible, durable commuter that won't disappoint if maintained properly."
Pros
+Bulletproof 153cc engine
+Excellent real-world fuel economy
+Quality above its price
Cons
−Carburetor needs regular attention
−Rear suspension wears quickly
−Limited high-speed capability
Top 10 Accessories
Picks that work on either bike.
