Kawasaki ZX-6R versus Yamaha Fazer FZ-1

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To compare the technical specifications and features of Kawasaki ZX-6R and Yamaha Fazer FZ-1 is a good way to find out which one of these motorcycles will better match your style and requirements. You certainly have your own comfort zones in speeding, handling and sitting position and these should guide you to your choice of motorcycle. After comparing one motorcycle versus another and so on, the circle of favourite models will be then eventually narrowed to several ones. 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-ZX-6R vs	Yamaha-Fazer FZ-1

Kawasaki	manufacturer	Yamaha
ZX-6R	bike name	Fazer FZ-1
Sport bike	mootorcycle type	Sport touring
Since 1995	year	since 2006
208.5 / 70.5 / 111.5 cm	overall size L/W/H(cm)	206 / 65.5 / 112.5 cm
636 cc	engine displacement (cc)	998 cc
Fuel injection with oval sub-throttles	fuel supply method	Fuel Injection
12.9:1	compression ratio	11.5:1
67x45.1 mm	bore and stroke	77x53.6 mm
130mm (5.1 inches)	ground clearance	135mm (5.3 inches)
3.1litres (3.3 quarts)	engine oil capacity	3.7litres (3.9 quarts)
17.0 litres (4.5 gallons)	fuel tank capacity	20.0 litres (5.3 gallons)
279 km/h (173 mph)	top speed	246 km/h (153 mph)
135 hp	peak horsepower	150 hp
71 nm (52.4 ft lbs)	max torque	106 nm (78.2 ft lbs)
182 kg (401 lbs)	dry weight	204 kg (450 lbs)
206 kg (454 lbs)	curb weight (wet weight)	220 kg (485 lbs)
41mm inverted Showa fork with top-out springs and 120mm wheel travel	front suspension	telescopic forks with 130mm travel
Bottom-Link uni-track with gas charged shock and fully adjustable spring preload. 135mm wheel travel	rear suspension	link type swingarm with 130mm travel
120/70-ZR17	front tyre size	120/70-ZR17
180/55-ZR17	rear tyre size	190/50-ZR17
6-speed	transmission type	6-speed
TCBI with digital advance	ignition / starting	Electric
Dual 310mm petal rotors with Nissin 4-piston monoblock calipers	front brakes	Two discs x 320mm
Single 220mm petal rotor with single piston caliper	rear brakes	One disc x 245mm
Chain drive	final drive type	Chain drive
Liquid cooling	cooling type	Liquid cooling
5.40 l/100km (43.6 mpg)	fuel economy (consumption)	6.25 l/100km (37.6 mpg)
technical specifications of Kawasaki ZX-6R	see data separately	technical specifications of Yamaha Fazer FZ-1

The bigger engine size of Yamaha Fazer FZ-1 in comparison to Kawasaki ZX-6R doesn't mean that it is more powerful or better performing bike. The first bike has the advantage of greater compression ratio of 12.9:1 than the other one. This is the ration of the volumes in the cylinder in two stages of the stroke when the piston is at the lowest and then at the highest point in the cylinder. 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 ZX-6R which can travel 43.6 miles with one gallon of fuel. Yamaha Fazer FZ-1 on the contrary can travel 37.6 miles with a gallon. There are two ways of showing the fuel economy of a motorcycle - describing how many miles it can travel with a single gallon of fuel (mpg) or how many litters of fuel it is burning on a 100 kilometer trip (l\100km).

The size of the tyres is specified by the producer for each motorcycle. Picking the proper type that matches your individual style of riding is very essential. To get the proper tire size requires that you know the meaning of the numbers and letters printed on the side of each tire. The width of the tire measured in millimeters is shown first. Both motorcycles have the same with of their front tires - 120 mm. The profile of the tire is revealed by the second number. The diameter of the rim is represented by the third number in the code. 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 ZX-6R (130mm). The ground clearance is also called the ride height and that is the distance between the base of the tyre and underside of the motorcycle’s body (the chassis). In other words that is the shortest distance between the road surface and the lowest mechanical part of the motorcycle.
Kawasaki ZX-6R is the faster of the two with top speed of 279 kilometers per hour against the max speed of 246 km/h specified to its opponent Yamaha Fazer FZ-1. However sources may vary as to whether these top speed parameters are precise or only approximate. Motorcycle with liquid cooling system

Kawasaki ZX-6R is liquid cooled and so is the Yamaha Fazer FZ-1. The pretty constant ranges of operating temperature are typical for the liquid cooled engines. Once the operating temperature is reached (the engine is warmed up), it runs at a pretty constant temperature. The main principle is circulation of the liquid between the radiator and the engine. If the motorcycle slows down to a point where the air flowing through the radiator is not enough to lower the temperature of the coolant to the needed level, a thermostat will typically switch an electric fan on to increase the air flow through the radiator. However the water pump, the thermostat, the radiator and all the linking gear makes it a bit more complex.
motorcycle with chain final drive

Both motorcycles Kawasaki ZX-6R and Yamaha Fazer FZ-1 have the same final drive - chain. Most motorcycles are produced with chain drive because of its economical way to transfer power to the rear wheel and convey the biggest percentage of engine power in that process. Many bikers may complain of the need of constant care though. Since the chain is exposed to dust, sun and rain it needs to be periodically cleaned and properly lubricated.
Compression ratio Imagine an engine's piston is at the bottom of its stroke (step one) and moves up compressing the gas in the cylinder till it reaches its top position of the stroke (step 2). The compression ratio is the ration of the volume in step one over the volume in step two. The compressio ratio of Yamaha Fazer FZ-1 is 11.5:1 and it is 12.9:1 for Kawasaki ZX-6R according to the motorcycles technical data above. Motorcycles with higher compression ratio may be recommended to use premium fuel only in order to avoid engine knocking. Higher compression ratio means bigger pressure of the fuel/air mix in the combustion chamber and better efficiency achieved of its ignition.
One of the most important aspects of the basic level of maintenance of a motorcycle is the engine oil. Synthetic engine oils are considered the most technically advanced one and are more expensive than the mineral oils which come at lower price. 3700 miles (6000 km) between oil changes is widely accepted rule. With synthetic oil though you can run as far as 8000 kilometers (5000 miles). Replacing the oil filter is also to be considered on each engine oil change. The oil capacity of Kawasaki ZX-6R is 3.1 litres and the engine oil of Yamaha Fazer FZ-1 is 3.7 litres as per their technical specs. The oil capacity information is only to get an idea of how much oil roughly will be needed on oilchange. 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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