Segment: Sport / Super Sport
Production years: 2003, 2004
The Ninja ZX-6R was a motorcycle in the Ninja sports bike series manufactured by Kawasaki, first introduced in 1995 and constantly upgraded throughout the years in response to the new products of its rivals, such as Honda, Yamaha, and Suzuki.
In 2004, Kawasaki launched the Ninja ZX-6R motorcycle that came with an all-new engine that featured an increase in displacement from 599 to 636cc thanks to a 2 mm larger bore and chrome-plated cylinders that reduced weight and delivered more mid-range power than its competition.
The engineers wanted to make the bike as light as possible, so the engine featured new cooling passages moved inside the engine, a new camshafts profile with smaller slotted sprockets that reduced height and weight but also improved power, a lighter and more compact radiator, and more.
For suspension, the bike packed a 41 mm inverted Kayaba cartridge fork on the front and a Uni-Trak piggy-back shock absorber on the rear with rebound and damping adjustment for more precise control over heavy braking.
As a first on a production motorcycle, the ZX-6R featured radially-mounted four-piston calipers with 300 mm discs on the front and a 220 mm disc squeezed by a single-piston caliper on the rear.
In the engine department, the 2004 Kawasaki Ninja ZX-6R took its thrust from a 636cc four-stroke four-cylinder liquid-cooled engine that delivered an output power of 118 hp with a peak at 12,500 rpm and 69 Nm (51 lb-ft) of torque available at 12,000 rpm.
With a dry weight of 174 kg (377 lbs) and a six-speed manual transmission, the bike reached a top speed of 262 kph (163 mph).
engine specs | Type: | 4-stroke, liquid-cooled In-Line Four | Displacement: | 636 cm3 | Bore X Stroke: | 2.7x1.7 in OR 69 mm | Compression Ratio: | 12.9:1 | Horsepower: | 118/12500 KW(hp)/RPM | Torque: | 51/12000 lb-ft/RPM OR 69/12000 Nm/RPM | Fuel System: | 38 mm x 4 (Keihin), twin injection |
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transmission specs | Gearbox: | 6-speed, return | Clutch: | Wet multi-disc, manual | Primary Drive: | - | Final Drive: | Chain |
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chassis specs | Frame: | Perimeter, pressed aluminium | Front Suspension: | 41 mm inverted cartridge fork with rebound and compression damping, spring preload adjustability and top-out springs. | Rear Suspension: | Bottom-Link Uni-Trak with gas-charged shock, spring preload adjustability and top-out spring, stepless compression damping, stepless rebound damping. | Front Brake: | Dual semi-floating 300 mm discs, dual radial-mount, opposed 4-piston, 4 pad calipers. | Rear Brake: | 220 mm disc with single Single-bore pin-slide |
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dimension specs | Overall Length: | 81.3 in OR 2065 mm | Overall Width: | 28.1 in OR 714 mm | Seat Height: | 32.3 in OR 820 mm | Wheelbase: | 54.7 in OR 1389 mm | Ground Clearance: | - | Weight: | 362 lbs OR 164 kg | Fuel Capacity: | 4 gallons OR 15.1 L |
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tyres specs | Front: | 120/65ZR17M/C (56W) | Rear: | 180/55ZR17M/C (73W) |
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power system specs | Power pack: | - | Nominal Capacity: | - | Maximum Capacity: | - | Charger type: | - | Charging time (normal): | - | Charging time (quick): | - | Range: | - |
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