Beta Alp 4.0 2014 vs. Yamaha WR450F 2009

Technical Specifications Beta Alp 4.0 2014 compared to Yamaha WR450F 2009

Beta Alp 4.0 2014

Yamaha WR450F 2009

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Differences

Beta Alp 4.0 2014

Yamaha WR450F 2009

Engine and Drive Train

Bore	Bore	79 mm	Bore	95 mm
Stroke	Stroke	71.2 mm	Stroke	63.4 mm
Compression Ratio	Compression Ratio	9.5	Compression Ratio	12.3
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Chain	Transmission	Chain
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves	Valves	OHC	Valves	DOHC
Displacement	Displacement	349 ccm	Displacement	449 ccm

Suspension Front

Front suspension	Front suspension	Telescopic fork	Front suspension	Telescopic fork

Chassis

Frame	Frame	Steel	Frame	Aluminium
Frame type	Frame type	Double cradle	Frame type	Twin Tube

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	18 inch	Rear tyre diameter	18 inch
Length	Length	2,208 mm	Length	2,200 mm
Width	Width	850 mm	Width	825 mm
Height	Height	1,240 mm	Height	1,305 mm
Wheelbase	Wheelbase	1,444 mm	Wheelbase	1,500 mm
Seat Height	Seat Height	863 mm	Seat Height	990 mm
Dry Weight	Dry Weight	133 kg	Dry Weight	123.3 kg
Fuel Tank Capacity	Fuel Tank Capacity	10.5 l	Fuel Tank Capacity	8 l