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2015 Kawasaki Ninja 300 Overview
The 2015 Kawasaki Ninja 300 is a sport motorcycle built around 296 cc of displacement. Under the tank sits a Four stroke . parallel twin, DOHC, 4 valves per cylinder engine, a compression ratio of 10.6:1. 2015 Kawasaki Ninja 300 delivers 29 kW @ 11000 rpm of peak power and 27 Nm @ 10000 rpm of torque. From a practical standpoint, the 2015 Ninja 300 tips the scales at 172 kg, carries a 17-litre fuel tank, offers a seat height of 785 mm and spans a 1405 mm wheelbase. That's roughly 22.7 kg lighter than the average sport motorcycle in our database. Scroll down for the complete 2015 Kawasaki Ninja 300 spec sheet covering every technical detail from suspension travel to tyre sizes.
2015 Kawasaki Ninja 300 compared with other bikes in the Sport category
Here is how the 2015 Kawasaki Ninja 300 stacks up against other bikes in the Sport category in our database. Each model counts once, using the model year closest to this one, and the comparison covers up to 1573 models.
- Power-to-weight ratio of 169 W/kg is lower than that of 603 of the other 726 bikes in the Sport category.
- Only 287 of the other 1572 bikes in the Sport category have a lower torque than the 27 Nm of the Ninja 300.
- With 29 kW, the Ninja 300 has the joint 257th lowest power output of 1341 bikes in the Sport category, 61% below the category average of 75.3 kW.
- Narrowing the field to the 262 models within five model years of it, the power-to-weight ratio of 169 W/kg is lower than that of 202 of the other 261.
Versus the 2014 model
The figures we track are unchanged from the 2014 model: peak power, peak torque, wet weight, displacement and seat height all match.
2015 Ninja 300 - Pros & Cons
Strengths
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Strong power output: 2015 Kawasaki Ninja 300 makes 29 kW @ 11000 rpm with 27 Nm @ 10000 rpm of torque - competitive figures for its class.
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Fuel injection: The fuel injection: Ø32 mm x 2 (Keihin) system delivers crisp throttle response and reliable cold starts regardless of altitude or temperature.
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Strong front braking: The disc front brake gives excellent stopping power and responds well to aftermarket braided lines.
Considerations
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Chain final drive upkeep: Chain final drive needs regular cleaning, lubrication and tension checks to get full life out of the sprockets.
Wear Points & Servicing Notes
Cooling system servicing
The Liquid cooled system on the Ninja 300 needs a coolant change roughly every two years (or per the service schedule) - skipping it lets the coolant turn acidic and corrode the aluminium water passages over time.
Fuelling & injector care
Fuelling comes from fuel injection: Ø32 mm x 2 (Keihin). Systems like this are largely maintenance-free beyond keeping fuel quality decent and injectors clear - a fuel-system cleaner every service interval is cheap insurance.
Brake disc and pad wear
The disc front brake gives strong, progressive stopping power. Disc thickness and pad depth are worth checking at every tyre change, since worn pads can score the disc surface.
Suspension condition on used examples
Up front, the Ninja 300 runs 37 mm Telescopic fork, and Bottom-Link Uni-Trak with gas-charged shock and 5-way adjustable preload, at the rear. On a used example, check fork seals for weeping oil and test the rear linkage for play - seals are a relatively cheap fix but useful when negotiating price.
Final drive maintenance
Final drive is by chain - expect to clean and lube it every few hundred kilometres and check tension regularly; a neglected chain wears the sprockets faster than the chain itself.
Frame & chassis check
The frame is Tube diamond, steel - worth a visual check for corrosion or impact damage around the head-stock and swingarm pivot on any used example, since frame damage is far costlier to fix than any service item.
Ninja 300 - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2015 Kawasaki Ninja 300 with its 296 cc sport, start with the basics: check the service book for oil change frequency, inspect the drivetrain for wear, and look for oil seepage around the engine casings and rocker covers. This model runs chain final drive, so check chain slack and sprocket tooth profile specifically - a worn sprocket is a cheaper fix now than after it's chewed up the next chain. Now 11 years old, this sport is as likely to show age-related wear (perished rubber, seized fasteners, degraded seals) as mileage-related wear. A cold start test is invaluable - a well-maintained Ninja 300 should fire up cleanly and settle to a smooth idle within a few seconds.
Oil and filter changes
Regular oil changes are the single most important maintenance task for the Ninja 300's 296 cc four stroke . parallel twin, dohc, 4 valves per cylinder. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. With a 10.6:1 compression ratio, running the octane grade specified in the manual matters more than on a lower-compression engine. Always use the correct viscosity grade as specified in the owner's manual.
Fuel system care
The Ninja 300's fuel injection system is durable but benefits from quality fuel and the occasional use of a fuel-system cleaner additive. If the bike has been stored for more than three months, drain and replace the fuel to prevent varnish deposits in the injectors.
2015 Kawasaki Ninja 300 - Frequently Asked Questions
What engine does the 2015 Kawasaki Ninja 300 have?
The 2015 Kawasaki Ninja 300 uses a Four stroke . parallel twin, DOHC, 4 valves per cylinder engine with 296 cc of displacement. It is liquid cooled.
How much does the 2015 Kawasaki Ninja 300 weigh?
The 2015 Kawasaki Ninja 300 weighs 172 kg. This is the manufacturer's wet figure.
How much power does the 2015 Kawasaki Ninja 300 make?
The 2015 Kawasaki Ninja 300 produces 29 kW @ 11000 rpm of power and 27 Nm @ 10000 rpm of torque. These are peak figures.
What is the fuel tank capacity of the 2015 Kawasaki Ninja 300?
The 2015 Kawasaki Ninja 300 has a 17-litre fuel tank. At around 5-6 litres per 100 km, that is roughly 283-340 km between stops.
Is the 2015 Kawasaki Ninja 300 suitable for shorter riders?
The 2015 Kawasaki Ninja 300 has a seat height of 785 mm. This is a moderate seat height that suits a wide range of rider heights.
What brakes does the 2015 Kawasaki Ninja 300 have?
The 2015 Kawasaki Ninja 300 uses single 290 mm petal disc Single balanced actuation dual-piston at the front and single 220 mm petal disc Caliper: Dual-piston at the rear.
What tyre sizes does the 2015 Kawasaki Ninja 300 use?
The 2015 Kawasaki Ninja 300 runs 110/70-17 M/C 54S front and 140/70-17 M/C 66S rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
What gearbox does the 2015 Kawasaki Ninja 300 have?
The 2015 Kawasaki Ninja 300 is fitted with a 6 Speed transmission.
Kawasaki Ninja 300 Spec Evolution
The Kawasaki Ninja 300 was produced across 5 model years (2013-2019). The table below highlights the key specifications that changed across the production run - useful whether you are comparing years or tracking down a specific variant.
| Specification |
2013 |
2014 |
2015 |
2017 |
2019 |
| Brakes - Front |
Single 290 mm petal disc Single balanced actuation dual-piston |
Single 290 mm petal disc Single balanced actuation dual-piston |
Single 290 mm petal disc Single balanced actuation dual-piston |
Single 290 mm petal disc Single balanced actuation dual-piston |
Single 290 mm petal disc Single balanced actuation dual-piston, ABS |
| Brakes - Rear |
Single 220 mm petal disc Caliper: Dual-piston |
Single 220 mm petal disc Caliper: Dual-piston |
Single 220 mm petal disc Caliper: Dual-piston |
Single 220 mm petal disc Caliper: Dual-piston |
Single 220 mm petal disc Caliper: Dual-piston, ABS |
Key Specifications
Engine
Four stroke . parallel twin, DOHC, 4 valves per cylinder
Power
29.0 kW / 39 hp @ 11000 rpm
Torque
27.0 Nm / 2.8 kg-fm @ 10000 rpm
Weight
172 kg / 379.1 lbs - ABS 174 kg / 383.6 lbs
Fuel Capacity
17 Litres / 3.8 US gal
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Full 2015 Kawasaki Ninja 300 Specifications
Year
2015
Make Model
Kawasaki Ninja 300
Seat Height
785 mm / 30.8 in
Wheelbase
1405 mm / 55.3 in
Ground Clearance
140 mm / 5.5 in
Height
1110 mm / 43.7 in
Length
2015 mm / 79.3 in
Width
715 mm / 29.1 in
Fuel Capacity
17 Litres / 3.8 US gal
Wet Weight
172 kg / 379.1 lbs - ABS 174 kg / 383.6 lbs
Displacement
296 cc / 18.0 cu-in
Engine Detail
Four stroke . parallel twin, DOHC, 4 valves per cylinder
Bore x Stroke
62 x 49 mm
Compression Ratio
10.6:1
Cooling System
Liquid cooled
Fuel Induction
Fuel injection: Ø32 mm x 2 (Keihin), with dual throttle valves
Ignition
TCBI with Digital Advance
Lubrication
Forced lubrication, wet sump
Starter
Electric
Clutch
Wet multi-disc, manual
Final Drive
Chain
Final Drive Ratio
3.000 (42/14)
Gear Ratios
1st 2.714 (38/14) 2nd 1.789 (34/19) 3rd 1.409 (31/22) 4th 1.160 (29/25) 5th 1.000 (27/27) 6th 0.893 (25/28)
Primary Drive Ratios
3.087 (71/23)
Transmission / Drive
6 Speed
Frame Type
Tube diamond, steel
Suspension - Front
37 mm Telescopic fork,
Suspension - Rear
Bottom-Link Uni-Trak with gas-charged shock and 5-way adjustable preload,
Rake
27°
Trail
93 mm / 3.6 in
Wheel Travel - Front
120 mm / 4.7 in
Wheel Travel - Rear
132 mm / 5.1 in
Brakes - Front
Single 290 mm petal disc Single balanced actuation dual-piston
Brakes - Rear
Single 220 mm petal disc Caliper: Dual-piston
Tyres - Front
110/70-17 M/C 54S
Tyres - Rear
140/70-17 M/C 66S
Specifications are compiled from manufacturer documentation and cross-referenced
technical sources, and corrected on an ongoing basis.
Spot an error? Let us know.
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