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Comparing the technical specifications of Kawasaki VN 1700 Vulcan and Ducati 748 is a proper way to figure out which one of these motorcycles matches better your individual preferences and expectations. When trying to make your mind on the next motorcycle, your personal levels of comfort should be the leading criteria. If you compare the motorcycles you are interested in by analysing their technical specifications, features and pictures, the list of favourite ones could be shortened to just a few models. 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.

Kawasaki-VN 1700 Vulcan   vs   Ducati-748
Picture of Kawasaki - VN 1700 VulcanPicture of Kawasaki - VN 1700 Vulcan
Kawasaki manufacturer Ducati
VN 1700 Vulcan bike name 748
Cruiser mootorcycle type Sport bike
2009-2014 year 1994 - 2003
250 / 102.5 / 115.5 cm overall size L/W/H(cm)205 / 68.5 / 109 cm
1700 cc engine displacement (cc)748 cc
electronic fuel injection, 2x42mm throttle bodies fuel supply method Fuel injection
9.5:1 compression ratio 11.5:1
102x104 mm bore and stroke 88x61.5 mm
130mm (5.1 inches) ground clearance 150mm (5.9 inches)
4.3litres (4.5 quarts) engine oil capacity3.5litres (3.7 quarts)
20.0 litres (5.3 gallons) fuel tank capacity 17.0 litres (4.5 gallons)
185 km/h (115 mph) top speed248 km/h (154 mph)
74 hppeak horsepower 96 hp
135 nm (99.6 ft lbs)max torque 75 nm (55.3 ft lbs)
324 kg (714 lbs) dry weight198 kg (437 lbs)
349 kg (769 lbs) curb weight (wet weight) 208 kg (459 lbs)
43mm telescopic fork and 140mm wheel travel front suspension 43mm inverted telescopic fork, fully adjustable, 127mm front wheel travel
swing arm with air-assisted 4-way adjustable shock for rebound and dumping. The rear wheel travel is 80mm. rear suspension swingarm, adjustable monoshock, 130mm wheel travel
130/90-B16M/C front tyre size 120/60-ZR17
170/70-B16MC rear tyre size 180/55-ZR17
6-speed wet multi-disc, manual transmission type 6-speed dry multiplate clutch
TCDI with digitaln advance, electric starting ignition / starting electronic I.A.W. with electric starting
dual 300mm disc, double-piston caliper, standard ABS front brakes dual 320mm disc with four piston caliper
single 300mm disc, double-piston caliper and ABSrear brakes single disc with 220mm diameter and one-piston caliper
Belt drivefinal drive typeChain drive
Liquid coolingcooling typeLiquid cooling
6.30 l/100km (37.3 mpg)fuel economy (consumption)5.80 l/100km (40.6 mpg)
technical specifications of Kawasaki VN 1700 Vulcansee data separatelytechnical specifications of Ducati 748

Ducati 748 has a smaller engine displacement than Kawasaki VN 1700 Vulcan but the size if the engine itself is doesn't mean that the bike is more or less powerful. The bigger compression ratio of 11.5:1 belongs to the second bike. It represents the relation between the biggest and the smallest volume in the combustion chamber while the piston is performing its stroke movement. The bigger compression ratio means better fuel economy comparing engines with the same displacement because the mixture of fuel and air in the combustion chamber burns more effectively.
The bike with a better fuel economy is the Ducati 748 which can travel 40.6 miles with one gallon of fuel. Kawasaki VN 1700 Vulcan on the contrary can travel 37.3 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.
tire sizes The size of the tyres is specified by the producer for each motorcycle. Your type of riding is also to be taken into account here. The code designators located on the side of each tires is something that you should be aware of if you want to find proper tires for your bike. The width of the tire measured in millimeters is shown first. The second number show the aspect ratio. And the third number indicats the diameter of the rim in inches. Prices of motorcycle tires can easily be compared online and purchesed at good price.
Ducati 748 has a better ground clearance of 150mm ( for Kawasaki VN 1700 Vulcan it is 130mm). 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. This is the shortest line between the body of a motorcycle and the surface of the road.
Comparing the top speed values of both motorcycles we can see that Ducati 748 is the faster one with 248km/h. As per the technical data of Kawasaki VN 1700 Vulcan it would be behind it on the highway with 185km/h. In some cases these speed statistics are based on bike owners reviews and may be contradictory from various sources.Motorcycle with liquid cooling systemThe same method of engine cooling is used on both motorcycles - liquid cooling. The pretty constant ranges of operating temperature are typical for the liquid cooled engines. Therefore the liquid-cooled engine runs more efficiently and consistently. The water pump drives the coolant from the engine into the radiator and back. 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. Finally this type of cooling makes it is easier to meet emissions and noise regulations and increase power output.
As shown in these motorcycles technical specifications they both use different type of final drive.
final drive implemented with chain One of these two motorcycles (the Ducati 748) is driven by a 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. 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.The Kawasaki VN 1700 Vulcan is driven by a belt.
Compression ratio 9.5:1 means that the volume of gas in the cylinder when the piston is at the bottom of its stroke refers to the volume of gas when the piston is at the top of its stroke as 9.5:1. The value of the compression ratio of Ducati 748 is 11.5:1 based on the information in its technical data and for Kawasaki VN 1700 Vulcan the ratio is 9.5:1. Premium fuel might be recommended for some motorcycles with high levels of compression ration in order to avoid engine knocking. With internal combustion engines the higher compression ratio allows higher efficiency because the combustion temperature is reached with less fuel.
One of the most important aspects of the basic level of maintenance of a motorcycle is the engine oil. Many different types of engine oils are available as minerral, part-synthetic and synthetic and they all come at different price. It is commonly accepted engine oil to be changed on every 3700 miles (6000 kilometers). More kilometers between two oil changes is accepted when synthetic oil is used. 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 - 4.3 litres for Kawasaki VN 1700 Vulcan and 3.5 litres for Ducati 748. 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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