Yamaha XT 660R 2009 vs. KTM 390 Adventure R 2025

Technical Specifications Yamaha XT 660R 2009 compared to KTM 390 Adventure R 2025

Yamaha XT 660R 2009

KTM 390 Adventure R 2025

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Differences

Yamaha XT 660R 2009

KTM 390 Adventure R 2025

Engine and Drive Train

Bore	Bore	100 mm	Bore	89 mm
Stroke	Stroke	84 mm	Stroke	64 mm
Engine power	Engine power	48 HP	Engine power	44 HP
Torque	Torque	60 Nm	Torque	39 Nm
Compression Ratio	Compression Ratio	10	Compression Ratio	12.6
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Chain	Transmission	Chain
Number of gears	Number of gears	5	Number of gears	6
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves per cylinder	Valves per cylinder	4	Valves per cylinder	4
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	660 ccm	Displacement	398.7 ccm

Suspension Front

Front suspension	Front suspension	Telescopic fork	Front suspension	Upside-Down telescopic fork

Brakes Rear

Type	Type	Disc	Type	Disc

Dimensions and Weights

Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	21 inch
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	18 inch
Seat Height	Seat Height	865 mm	Seat Height	870 mm
Fuel Tank Capacity	Fuel Tank Capacity	15 l	Fuel Tank Capacity	14 l
License compliancy	License compliancy	A2	License compliancy	A2