Мнения за Yamaha WR i Yamaha YZ .

Доста често срещани са тези два модела . И на доста достъпни цени .

Да започнеме с Yamaha WR



Make Model
Yamaha WR 450F
Year
2005
Engine
liquid cooled, four stroke, single cylinder, DOHC, 5 titanium valve per cylinder.
Capacity
449
Bore x Stroke 95 x 63.4 mm
Compression Ratio 12.5:1
Induction
39mm Keihin FCR flat-slide throttle position sensor
Ignition / Starting
Digital CDI
Max Power
58 hp 42.3 kW @ 9000 rpm
Max Torque
49 Nm @ 7000 rpm
Transmission / Drive
5 Speed / chain
Front Suspension
46mm Kayaba inverted telescopic fork, compression and rebound damping adjustable, 300mm wheel travel.
Rear Suspension
Fully adjustable Kayaba single shock, 315mm wheel travel, separate speed compression adjustment
Front Brakes
Single 250mm disc 4 piston caliper
Rear Brakes
Single 245mm disc 2-piston caliper
Front Tyre
80/100-21
Rear Tyre
110/100-18

Yamaha Yz


Model: Yamaha YZ 450 F
Year: 2005
Category: Cross / motocross
Rating: 65.4 out of 100. Show full rating and compare with other bikes
Engine and transmission
Displacement: 449.00 ccm (27.40 cubic inches)
Engine type: Single cylinder
Stroke: 4
Compression: 12.5:1
Bore x stroke: 95.0 x 63.4 mm (3.7 x 2.5 inches)
Fuel system: Carburettor
Valves per cylinder: 1
Fuel control: SOHC
Cooling system: Liquid
Gearbox: 5-speed
Transmission type
final drive: Chain
More details Consult a Yamaha repair manual.
Physical measures
Seat height: 996 mm (39.2 inches) If adjustable, lowest setting.
Overall height: 996 mm (39.2 inches)
Overall length: 2,172 mm (85.5 inches)
Overall width: 828 mm (32.6 inches)
Ground clearance: 371 mm (14.6 inches)
Wheelbase: 59 mm (2.3 inches)
Chassis and dimensions
Rake (fork angle): 27.2�
Front suspension: 48mm Kayaba inverted telescopic fork w/adjustable compression and rebound damping
Front suspension travel: 300 mm (11.8 inches)
Rear suspension: Kayaba single shock w/adjustable preload, compression and rebound damping and separate hi/lo-speed compression adjuster
Rear suspension travel: 318 mm (12.5 inches)
Front tyre dimensions: 80/80-21
Rear tyre dimensions: 110/90-19
Front brakes: Single disc
Front brakes diameter: 250 mm (9.8 inches)
Rear brakes: Single disc
Rear brakes diameter: 245 mm (9.6 inches)
Speed and acceleration
Other specifications
Fuel capacity: 6.81 litres (1.80 gallons)
Color options: Team Yamaha Blue/White

И двата модела са приложими в Горски условия , но кой от двата е за предпочитане .