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All Bikes/Compare/Yamaha Ttr125 vs Yamaha Yz450f

Yamaha Ttr125 vs Yamaha Yz450f

Side-by-side comparison for used motorcycle buyers

Yamaha Ttr125 vs Yamaha Yz450f. Yamaha Ttr125: ~10 hp @ 8,000 rpm (note: Yamaha does not officially publish output figures; this is a well-regarded community estimate) hp, 88 kg (wet/curb weight, standard model; LW/LE variants differ slightly) weight, top speed ~85 km/h (note: estimate, varies with rider weight and terrain), Motoryk rating 8.0/10. Yamaha Yz450f: Approximately 60–63 hp @ 9,500 rpm (varies by model year; 2020+ models produce near the upper end) hp, 110 kg (curb/wet weight, approximate for 2018–2023 models; earlier models slightly heavier) weight, top speed Approximately 145–155 km/h (estimate based on dyno and track testing; not an officially published figure), Motoryk rating 8.5/10.

Performance at a Glance

Green = winner per metric · Bars are relative to the higher value

Yamaha Ttr125 Yamaha Yz450f
Horsepower (hp)
10 hp
60 hp
Torque (Nm)
9 Nm
53 Nm
Top Speed (km/h)
85 km/h
145 km/h
Weight (kg) — lower is better
88 kg
110 kg
Type
Motocross
Motocross
Horsepower
~10 hp @ 8,000 rpm (note: Yamaha does not officially publish output figures; this is a well-regarded community estimate)
Approximately 60–63 hp @ 9,500 rpm (varies by model year; 2020+ models produce near the upper end)
Torque
~9 Nm @ 6,000 rpm (note: estimate, official figures not published)
Approximately 53–55 Nm @ 8,000 rpm (estimate; Yamaha does not officially publish torque figures for this model)
Top Speed
~85 km/h (note: estimate, varies with rider weight and terrain)
Approximately 145–155 km/h (estimate based on dyno and track testing; not an officially published figure)
Weight
88 kg (wet/curb weight, standard model; LW/LE variants differ slightly)
110 kg (curb/wet weight, approximate for 2018–2023 models; earlier models slightly heavier)
Fuel
~2.5 L/100km or ~40 km/L (typical real-world estimate)
Estimated 6–8 L/100km under typical motocross/off-road use (note: highly variable depending on riding intensity; no official road consumption figure exists for this competition-focused bike)
Fairing
No
No

Individual Reviews

Yamaha Ttr125
Yamaha Ttr125
8.0/10

"The safest used dirt bike buy under two grand, full stop."

Pros
+Near-indestructible air-cooled engine
+Parts cheap and widely available
+Forgiving for nervous beginners
Cons
Suspension needs frequent inspection
Header cracks are common
Carb often tampered with
Yamaha Yz450f
Yamaha Yz450f
8.5/10

"Brilliant but unforgiving — buy smart or get burned fast."

Pros
+Exceptional power-to-weight ratio
+Class-leading chassis balance
+Strong aftermarket parts availability
Cons
Maintenance intervals brutally short
Punishing for beginner riders
Suspension needs frequent rebuilding

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