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The detailed comparison between Hyosung GD250N and Yamaha Fazer FZ-1 can help you decide which one of them will suit you better. Your choice of motorcycle should be all about your individual preferences and comfort level. The long personal list of favourite motorcycle models can be narrowed to just a few ones after comparing their pictures and technical specifications. The best way to explore them is to actually sit on these bikes and check how much comfort you get with each of them.

Hyosung-GD250N   vs   Yamaha-Fazer FZ-1
Picture of Hyosung - GD250NPicture of Hyosung - GD250N
Hyosung manufacturer Yamaha
GD250N bike name Fazer FZ-1
Cruiser mootorcycle type Sport touring
2016 year since 2006
194 / 80 / 105.5 cm overall size L/W/H(cm)206 / 65.5 / 112.5 cm
249 cc engine displacement (cc)998 cc
Fuel injection twin cam (DOHC) fuel supply method Fuel Injection
12:1 compression ratio 11.5:1
73x59.6 mm bore and stroke 77x53.6 mm
135mm (5.3 inches) ground clearance 135mm (5.3 inches)
1.4litres (1.5 quarts) engine oil capacity3.7litres (3.9 quarts)
11.0 litres (2.9 gallons) fuel tank capacity 20.0 litres (5.3 gallons)
140 km/h (87 mph) top speed246 km/h (153 mph)
28 hppeak horsepower 150 hp
24 nm (17.7 ft lbs)max torque 106 nm (78.2 ft lbs)
131 kg (289 lbs) dry weight204 kg (450 lbs)
145 kg (320 lbs) curb weight (wet weight) 220 kg (485 lbs)
37mm inverted telescopic fork front suspension telescopic forks with 130mm travel
dual-sided aluminum swing arm rear suspension link type swingarm with 130mm travel
120/80-16 front tyre size 120/70-ZR17
170/80-15 rear tyre size 190/50-ZR17
6-speed wed multiplate clitch transmission type 6-speed
Electric starting, digital ignition ignition / starting Electric
300mm disc front brakes Two discs x 320mm
one 230mm discrear brakes One disc x 245mm
Chain drivefinal drive typeChain drive
Liquid coolingcooling typeLiquid cooling
4.60 l/100km (51.1 mpg)fuel economy (consumption)6.25 l/100km (37.6 mpg)
technical specifications of Hyosung GD250Nsee data separatelytechnical specifications of Yamaha Fazer FZ-1

The bigger engine size of Yamaha Fazer FZ-1 in comparison to Hyosung GD250N doesn't mean that it is more powerful or better performing bike. The first bike has the advantage of greater compression ratio of 12:1 than the other one. This represents the biggest volume of the cylinder when the piston is located at the lowest point of the stroke compared to the minimum volume of the cylinder when the piston is at the highest point 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 Hyosung GD250N which can travel 51.1 miles with one gallon of fuel. Yamaha Fazer FZ-1 on the contrary can travel 37.6 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.
bike tires The size of the tyres is specified by the producer for each motorcycle. Your individual riding style is another factor that determines which type is appropriate in your case. You need to know what the code designators printed on the tire mean in order to be able to find the proper size for your bike. The width of the tire measured in millimeters is shown first. Both motorcycles have the same with of their front tires - 120 mm. After that comes the aspect ration shown by the second number in the code. The diameter of the rim is represented by the third number in the code. Prices of motorcycle tires can easily be compared online and purchesed at good price.
Both motorcycles have the same ground clearance of 135mm. The distance between the chassis and the base of the tyre is called ride height or also ground clearance of a motorcycle and is usually given in millimeters in the technical specifications. In other words that is the shortest distance between the road surface and the lowest mechanical part of the motorcycle.
Yamaha Fazer FZ-1 is the faster of the two with top speed of 246 kilometers per hour against the max speed of 140 km/h specified to its opponent Hyosung GD250N. However sources may vary as to whether these top speed parameters are precise or only approximate.Liquid cooled motorcycle engine
Both motorcycles are liquid cooled. Liquid-cooled engines have a narrower range of operating temperatures compared to the air-cooled ones. Therefore the liquid-cooled engine runs more efficiently and consistently. The coolant is circulating into the radiator and back to the engine driven by the water pump. A fan is turned on if needed by a thermostat to draw more air over the radiator in case the motorcycle slows down. Liquid-cooled engines are usually more forgiving because the hot engine has some surrounding coolant to heat up before causing any damage from overheating.
motorcycle with chain final drive Hyosung GD250N and Yamaha Fazer FZ-1 are both driven by chain. One of the most economical way to drive horsepower from the engine to the rear wheel of the motorcycle is achieved with the chain drive and therefore it is still the most used among the three options by bike manufacturers. However all chains require keeping an eye on them and proper lubrication when they get dry and cleaning when they get dirty.
Compression ratio - this parameter refers to how the cylinder's space changes from when the piston is down at its lowest point to when the piston is up at its highest point in the stroke. The compressio ratio of Yamaha Fazer FZ-1 is 11.5:1 and it is 12:1 for Hyosung GD250N according to the motorcycles technical data above. In other words it represents how tightly the mixture of fuel and air in the combustion chamber is pressed before the ignition. 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.
One of the most important aspects of the basic level of maintenance of a motorcycle is the engine oil. Mineral and part-synthetic engine oils are cheaper when it comes to price in comparison with the most technically advanced synthetic motor oils. The oil is usually to be changed after 6000km (3700 miles) after the previous oil change. The quality of the synthetic oil allows up to 5000 miles (8000 km) between oil changes. A good practice is to replace the oil filter with each or every second oil change. Both motorcycles have different oil capacity according to the technical specs - 1.4 litres for Hyosung GD250N and 3.7 litres for Yamaha Fazer FZ-1. The values of the oil capacity here can not be used as a precise measurement when changing the oil. Pouring exactly the proper amount of oil needed is achieved by observing the level sight window or the dipstick marks.

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