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All Bikes/Compare/Rieju Marathon 500 vs Yamaha Wr450f

Rieju Marathon 500 vs Yamaha Wr450f

Side-by-side comparison for used motorcycle buyers

Rieju Marathon 500 vs Yamaha Wr450f. Rieju Marathon 500: ~40–45 hp (estimated; exact rpm data unavailable — NOTE: Rieju has not widely published official dyno figures for this specific variant) hp, ~140–155 kg (wet/curb weight — estimated; NOTE: official curb weight not confirmed in widely available sources) weight, top speed ~140–150 km/h (estimated), Motoryk rating 7.3/10. Yamaha Wr450f: ~50 hp @ 9,500 rpm (estimated for post-2016 models; not officially published by Yamaha) hp, 118 kg (wet/curb weight, 2016+ models) weight, top speed ~170 km/h (estimated; limited by off-road gearing and ergonomics), Motoryk rating 8.5/10.

Performance at a Glance

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

Rieju Marathon 500 Yamaha Wr450f
Horsepower (hp)
40 hp
50 hp
Torque (Nm)
40 Nm
47 Nm
Top Speed (km/h)
140 km/h
170 km/h
Weight (kg) — lower is better
140 kg
118 kg
Type
Enduro
Enduro
Horsepower
~40–45 hp (estimated; exact rpm data unavailable — NOTE: Rieju has not widely published official dyno figures for this specific variant)
~50 hp @ 9,500 rpm (estimated for post-2016 models; not officially published by Yamaha)
Torque
~40–45 Nm (estimated; NOTE: official figures not widely confirmed in public documentation)
~47 Nm @ 7,500 rpm (estimated for post-2016 models; not officially published by Yamaha)
Top Speed
~140–150 km/h (estimated)
~170 km/h (estimated; limited by off-road gearing and ergonomics)
Weight
~140–155 kg (wet/curb weight — estimated; NOTE: official curb weight not confirmed in widely available sources)
118 kg (wet/curb weight, 2016+ models)
Fuel
~3.5–4.5 L/100km (estimated; varies significantly with riding style and terrain)
~6.0 L/100km (estimated real-world average; varies greatly with riding style and terrain)
Fairing
No
No

Individual Reviews

Rieju Marathon 500
Rieju Marathon 500
7.3/10

"A genuine off-road weapon if you can handle the ownership quirks."

Pros
+Exceptional off-road capability
+Lightweight for adventure segment
+KTM-sourced engine reliability
Cons
Electrical reliability concerns early models
Parts availability still patchy
Vibration tiring on motorways
Yamaha Wr450f
Yamaha Wr450f
8.5/10

"The best enduro engine available, if you do your homework."

Pros
+Bulletproof when properly maintained
+Exceptional power-to-weight ratio
+Strong aftermarket parts support
Cons
Brutal for beginners
Frequent valve inspection required
Heavy for tight trails

Top 10 Accessories

Picks that work on either bike.

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10W-40 Synthetic Motorcycle Oil JASO MA2
Engine Oil
10W-40 Synthetic Motorcycle Oil JASO MA2
View on Amazon →
Yamalube 10W-40 4T Semi-Synthetic 1L
Yamalube · Engine Oil
Yamalube 10W-40 4T Semi-Synthetic 1L
View on Amazon →
⚙️
Oil Filter
Oil Filter
View on Amazon →
HifloFiltro HF140 Oil Filter
HifloFiltro · Oil Filter
HifloFiltro HF140 Oil Filter
View on Amazon →
Air Filter
Air Filter
Air Filter
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Foam air filter for Yamaha WR450F
Air Filter
Foam air filter for Yamaha WR450F
View on Amazon →
Spark Plug
Spark Plugs
Spark Plug
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Spark plug for Yamaha WR450F
Spark Plugs
Spark plug for Yamaha WR450F
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Full-Face Motorcycle Helmet
Helmet
Full-Face Motorcycle Helmet
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Riding Gloves
Gloves
Riding Gloves
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