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Looking at the detailed specifications of both motorcycles Triumph Rocket III 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. When you know what specifications and features of a motorcycle will make you personally comfortable with it then your choice should be all about this criteria. The long personal list of favourite motorcycle models can be narrowed to just a few ones after comparing their pictures and technical specifications. Then these bikes in question could be best explored on the road where handling, performance and comfort of sitting position can be best felt in action.
The bigger engine size of Triumph Rocket III in comparison to Yamaha Fazer FZ-1 doesn't mean that 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 Yamaha Fazer FZ-1 which can travel 37.6 miles with one gallon of fuel. Triumph Rocket III on the contrary can travel 36.2 miles with a gallon. Measuring the fuel economy in mpg shows how many miles of ride are covered by a gallon of fuel and measuring in l/100km shows the average fuel consumption in litters for every 100 kilometers riding. ![]() Triumph Rocket III has a better ground clearance of 140mm ( for Yamaha Fazer FZ-1 it is 135mm). The ride height is the other name of the parameter ground clearance which refers to the measure from the tyre base to the underside of the cassis of a motorcycle. To say it shortly, this is the smallest of the measures between the road surface and any mechanical part of the motorcycle. Comparing the top speed values of both motorcycles we can see that Yamaha Fazer FZ-1 is the faster one with 246km/h. As per the technical data of Triumph Rocket III it would be behind it on the highway with 220km/h. However sources may vary as to whether these top speed parameters are precise or only approximate. ![]() Triumph Rocket III and Yamaha Fazer FZ-1 are both liquid cooled. Motorcycles with liquid cooling operate at narrower temperature ranges. Keeping the operating temperature at a very narrow range allows many engine components to be optimised for these temperatures. The main principle is circulation of the liquid between the radiator and the engine. A thermostat turns on an electric fan to draw more air over the radiator in case the motorcycle slows down and the air flowing through the radiator is not enough to cool the liquid inside it to the desired level. However the water pump, the thermostat, the radiator and all the linking gear makes it a bit more complex. As per their technical specifications both motorcycles have different types of final drive implementation. ![]() 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. Based on the information from the technical data of the motorcycles the values are accordingly 8.7:1 for Triumph Rocket III and 11.5:1 for Yamaha Fazer FZ-1. In other words it represents how tightly the mixture of fuel and air in the combustion chamber is pressed before the ignition. Higher compression ratio means bigger pressure of the fuel/air mix in the combustion chamber and better efficiency achieved of its ignition. The good quality of the engine oil is an important factor in keeping the motorcycle in peak condition. 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. Synthetic oil can be changed less often though. Depending on the oil filter it needs to be replaced on each or every two oil changes. Both motorcycles have different oil capacity according to the technical specs - 5.9 litres for Triumph Rocket III and 3.7 litres for Yamaha Fazer FZ-1. This oil capacity values are with informative purpose only. The best way to pour the exact quantity of oil is to observe the dipstick or the level sight window. |
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