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Looking at the detailed specifications of both motorcycles Kawasaki W 800 and Yamaha Fazer FZ-1 is a proper approach to determine which of the two is more likely to match your style of riding and to satisfy your preferences. Your choice of motorcycle should be all about your individual preferences and comfort level. A good way to narrow the circle of favourite bikes is to compare their technical specifications and select just a few that are really matching your style and needs. A good way to find the most suitable one among them would be to sit on each of them and if possible ride it for a while.

Kawasaki-W 800   vs   Yamaha-Fazer FZ-1
Picture of Kawasaki - W 800Picture of Kawasaki - W 800
Kawasaki manufacturer Yamaha
W 800 bike name Fazer FZ-1
Naked mootorcycle type Sport touring
since 2011 year since 2006
218 / 79 / 107.5 cm overall size L/W/H(cm)206 / 65.5 / 112.5 cm
773 cc engine displacement (cc)998 cc
Fuel injection fuel supply method Fuel Injection
8.4:1 compression ratio 11.5:1
77x83 mm bore and stroke 77x53.6 mm
130mm (5.1 inches) ground clearance 135mm (5.3 inches)
3.0litres (3.2 quarts) engine oil capacity3.7litres (3.9 quarts)
14.0 litres (3.7 gallons) fuel tank capacity 20.0 litres (5.3 gallons)
155 km/h (96 mph) top speed246 km/h (153 mph)
47 hppeak horsepower 150 hp
60 nm (44.3 ft lbs)max torque 106 nm (78.2 ft lbs)
197 kg (434 lbs) dry weight204 kg (450 lbs)
216 kg (476 lbs) curb weight (wet weight) 220 kg (485 lbs)
39mm telescopic fork front suspension telescopic forks with 130mm travel
twin shock absorber rear suspension link type swingarm with 130mm travel
100/90-19 front tyre size 120/70-ZR17
130/80-18 rear tyre size 190/50-ZR17
5-speed wet, multiple disc, manual transmission type 6-speed
Electric starting, digital ignition ignition / starting Electric
1x300mm diameter disc and two-piston caliper front brakes Two discs x 320mm
160mm drumrear brakes One disc x 245mm
Chain drivefinal drive typeChain drive
Air coolingcooling typeLiquid cooling
5.10 l/100km (46.1 mpg)fuel economy (consumption)6.25 l/100km (37.6 mpg)
technical specifications of Kawasaki W 800see data separatelytechnical specifications of Yamaha Fazer FZ-1

Although Yamaha Fazer FZ-1 has a bigger engine displacement than Kawasaki W 800 it doesn't necessarily mean it is more powerful or better performing bike. The second bike has the advantage of greater compression ratio of 11.5:1 than the other one. This ratio is the relation of the volume in the cylinder when the piston is at the bottom of the stroke to the volume in the cylinder when the gas is compressed and the piston is at the top of the stroke. When the mixture of air and fuel in the combustion chamber has bigger pressure (higher compression ratio) when it is ignited then it burns more effectively and therefore these bikes tend to have better fuel economy (comparing engines with equal displacement).
The bike with a better fuel economy is the Kawasaki W 800 which can travel 46.1 miles with one gallon of fuel. Yamaha Fazer FZ-1 on the contrary can travel 37.6 miles with a gallon. The fuel economy of a motorcycle is either measured in mpg or l/100km, the first showing how many miles can be ridden with a gallon of fuel and the second showing how many litters of fuel are consumed on a 100km ride.
bike tires Motorcycle tyres come in variety of sizes and these sizes are strongly specified for each model. The right choice also depends on your style of riding, whether you are speeding and riding agressively. Tires have a code of numbers and letters printed on their sides and these are important to be understood properly when looking for matching tires. Firstly the code shows the width of the tire measured in millimeters. The second number show the aspect ratio. The third of the code numbers reffers to the size of the rim and it is measured in inches. Looking online for motorcycle tires is a good way to easily find the right size at low price.
As per the data sheets Yamaha Fazer FZ-1 has a bigger ground clearance (135mm) than Kawasaki W 800 (130mm). Usually given in millimeters in the technical data sheets, the ground clearance refers to the space between ground level and underside of a motorcycle’s chassis and sometimes is called ride height. In simple terms that would be the shortest line among all the lines drawn between the surface of the road and any mechanical part of the motorcycle.
Yamaha Fazer FZ-1 appears to be faster than Kawasaki W 800 with top speed of 246km/h against 155km/h for the other bike. However sources may vary as to whether these top speed parameters are precise or only approximate.
chain driven motorcycle Both motorcycles Kawasaki W 800 and Yamaha Fazer FZ-1 have the same final drive - chain. Chain drives are by far the most popular final drive technology in the history of motorcycles and are the most economical way to drive power from the engine to the rear wheel. However chains have their down points - more frequent need of maintenance (lubrication and cleaning) which means that a biker should always keep an eye on the chain especially in rainy days or dusty roads.
Compression ratio of a motorcycle engine is the ratio of the volume of the combustion chamber when the piston is at the bottom of the stoke and its volume when the piston is at the top of the stroke. The value of the compression ratio of Yamaha Fazer FZ-1 is 11.5:1 based on the information in its technical data and for Kawasaki W 800 the ratio is 8.4:1. Premium fuel might be recommended for some motorcycles with high levels of compression ration in order to avoid engine knocking. If you got a motorcycle with a greater compression ratio for its specific engine it is getting better fuel economy than it would if it had a lesser compression ratio.
The good quality of the engine oil is an important factor in keeping the motorcycle in peak condition. Engine oils are different types as synthetic, mineral, part-synthetic and they all come at their price and qualities. 3700 miles (6000 km) between oil changes is widely accepted rule. If you you synthetic oil then bigger mileage can be allowed between oil changes. The oil filter needs to be replaced too and that is usually to be done with the oil change. According to the technical specs the engine oil capacity is 3.0 litres for Kawasaki W 800 and 3.7 litres for Yamaha Fazer FZ-1. When changing the oil it is advisable to put less than the specified oil capacity and to check the level. The proper amount of oil needed is best judged while observing the reading on the level sight window (or the dipstick).


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