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2018 Yamaha YZF-R6 Overview
The 2018 Yamaha YZF-R6 is a sport motorcycle. Under the tank sits an In-line four, four-stroke engine running Double Overhead Cams/Twin Cam (DOHC) valve actuation, a compression ratio of 13.1:1. The bore and stroke measures 67 x 42.5 mm. 2018 Yamaha YZF-R6 delivers 67.50 Nm @ 10500 Revolutions of torque. From a practical standpoint, the 2018 YZF-R6 tips the scales at 190.1 kg, carries a 17.03-litre fuel tank, offers a seat height of 851 mm and spans a 1,374 mm wheelbase. Scroll down for the complete 2018 Yamaha YZF-R6 spec sheet covering every technical detail from suspension travel to tyre sizes.
2018 YZF-R6 - Pros & Cons
Strengths
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Fuel injection: The fuel injection injection system delivers crisp throttle response and reliable cold starts regardless of altitude or temperature.
Considerations
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Tall seat height: The 851 mm seat height will challenge shorter riders - tiptoeing at low speeds is something to factor into your decision.
Owner Experiences & Common Issues
Throttle response and fuelling
The fuel injection on the 2018 Yamaha YZF-R6 is generally well-regarded. Some owners note a slight hesitation at small throttle openings when cold, which clears once the engine reaches operating temperature. A quick visual check of the injector connectors during routine servicing is good practice on higher-mileage examples.
Valve clearance checks
Double Overhead Cams/Twin Cam (DOHC) engines should have valve clearances checked at the manufacturer's specified interval. Owners report that clearances can tighten over time on higher-mileage bikes, leading to slight ticking from the top end. Catching it early keeps the job simple and avoids more costly remediation.
YZF-R6 - Buying & Maintenance Guide
What to check before buying
When inspecting a used 2018 Yamaha YZF-R6, start with the basics: check the service book for oil change frequency, inspect the chain and sprockets for wear, and look for oil seepage around the engine casings and rocker covers. A cold start test is invaluable - a well-maintained YZF-R6 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 on any YZF-R6. Stick to the manufacturer's interval - typically every 6,000 km or once a year, whichever comes first. The sump holds 2.60 litres, so budget for that volume of quality motorcycle-specific engine oil. Always use the correct viscosity grade as specified in the owner's manual.
Fuel system care
The YZF-R6'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.
Valve clearance service
Check that valve clearances have been adjusted at the correct intervals on any used YZF-R6. This is a job many owners skip because the bike does not immediately feel wrong - but tight clearances accelerate valve seat wear. Ask for proof it has been done.
2018 Yamaha YZF-R6 - Frequently Asked Questions
What engine does the 2018 Yamaha YZF-R6 have?
The 2018 Yamaha YZF-R6 is powered by an In-line four, four-stroke engine.
How much does the 2018 Yamaha YZF-R6 weigh?
The 2018 Yamaha YZF-R6 weighs 190.1 kg. This is the manufacturer's wet figure.
How much power does the 2018 Yamaha YZF-R6 make?
The 2018 Yamaha YZF-R6 produces 67.50 Nm @ 10500 Revolutions of torque.
What is the fuel tank capacity of the 2018 Yamaha YZF-R6?
The 2018 Yamaha YZF-R6 has a 17.03-litre fuel tank.
Is the 2018 Yamaha YZF-R6 suitable for shorter riders?
The 2018 Yamaha YZF-R6 has a seat height of 851 mm. This is towards the tall end of the spectrum and will require most riders under 175 cm to tiptoe at stops.
What brakes does the 2018 Yamaha YZF-R6 have?
The 2018 Yamaha YZF-R6 uses Double disc. ABS. Floating discs. Four-piston calipers. Radially mounted. at the front and Single disc. ABS. Single-piston caliper. at the rear.
What tyre sizes does the 2018 Yamaha YZF-R6 use?
The 2018 Yamaha YZF-R6 runs 120/70-ZR17 front and 180/55-ZR17 rear tyres. A good selection of sport, touring and all-weather rubber is available in these sizes.
How much oil does the 2018 Yamaha YZF-R6 take?
The 2018 Yamaha YZF-R6 takes 2.60 litres of engine oil at a full oil and filter change. Always verify against the dipstick or sight glass after filling.
Yamaha YZF-R6 Spec Evolution
The Yamaha YZF-R6 was produced across 23 model years (1999-2022). 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 |
1999 |
2000 |
2001 |
2002 |
2003 |
2004 |
2005 |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
2014 |
2015 |
2016 |
2017 |
2018 |
2019 |
2020 |
2022 |
| Wet Weight |
195.0 kg / 429.9 lbs |
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187.8 kg / 414.0 lbs |
189.1 kg / 417.0 lbs |
189.2 kg / 417.0 lbs |
189.2 kg / 417.0 lbs |
189.2 kg / 417.0 lbs |
189.2 kg / 417.0 lbs |
189.2 kg / 417.0 lbs |
189.2 kg / 417.0 lbs |
189.2 kg / 417.0 lbs |
190.1 kg / 419.0 lbs |
190.1 kg / 419.0 lbs |
190.0 kg / 418.9 lbs |
190.0 kg / 418.9 lbs |
| Dry Weight |
- |
169 kg / 372.6 lbs |
167.5 kg / 369.3 lbs |
168 kg / 370.4 lbs |
162 kg / 357.1 lbs |
162 kg / 357.1 lbs |
161.9 kg / 357.0 lbs |
161 kg / 354.9 lbs |
161.9 kg / 357.0 lbs |
166 kg / 366.0 lbs |
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- |
- |
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210.5 kg / 464.1 lbs |
59 kg / 130.1 lbs |
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- |
- |
- |
- |
- |
- |
| Engine Detail |
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Titanium intake valves |
Titanium valves |
Titanium valves |
Titanium valves |
Titanium valves |
Titanium valves |
Titanium valves |
Titanium valves |
Titanium valves |
Titanium valves |
| Engine Type |
In-line four |
In-line four |
In-line four |
In-line four |
In-line four |
In-line four |
In-line four |
In-line four |
In-line four |
In-line four |
In-line four |
In-line four, four-stroke |
In-line four, four-stroke |
In-line four, four-stroke |
In-line four, four-stroke |
In-line four, four-stroke |
In-line four, four-stroke |
In-line four, four-stroke |
In-line four, four-stroke |
In-line four, four-stroke |
In-line four, four-stroke |
In-line four, four-stroke |
In-line four, four-stroke |
| Top Speed |
250.0 km/h / 155.3 mph |
260.0 km/h / 161.6 mph |
250.0 km/h / 155.3 mph |
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120.0 km/h / 74.6 mph |
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- |
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| Seat Height |
820 mm / 32.3 in. |
820 mm / 32.3 in. |
820 mm / 32.3 in. |
820 mm / 32.3 in. |
820 mm / 32.3 in. |
820 mm / 32.3 in. |
820 mm / 32.3 in. |
850 mm / 33.5 in. |
851 mm / 33.5 in. |
851 mm / 33.5 in. |
851 mm / 33.5 in. |
851 mm / 33.5 in. |
851 mm / 33.5 in. |
851 mm / 33.5 in. |
851 mm / 33.5 in. |
851 mm / 33.5 in. |
851 mm / 33.5 in. |
851 mm / 33.5 in. |
851 mm / 33.5 in. |
851 mm / 33.5 in. |
851 mm / 33.5 in. |
850 mm / 33.5 in. |
850 mm / 33.5 in. |
| Fuel Capacity |
17.00 litres / 4.49 gallons |
17.00 litres / 4.49 gallons |
17.00 litres / 4.49 gallons |
- |
17.00 litres / 4.49 gallons |
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4.50 litres / 1.19 gallons |
17.50 litres / 4.62 gallons |
17.41 litres / 4.60 gallons |
17.41 litres / 4.60 gallons |
17.41 litres / 4.60 gallons |
17.03 litres / 4.50 gallons |
17.03 litres / 4.50 gallons |
17.03 litres / 4.50 gallons |
17.03 litres / 4.50 gallons |
17.03 litres / 4.50 gallons |
17.03 litres / 4.50 gallons |
17.03 litres / 4.50 gallons |
17.03 litres / 4.50 gallons |
17.03 litres / 4.50 gallons |
17.41 litres / 4.60 US gallons |
17.00 litres / 4.49 US gallons |
17.00 litres / 4.49 US gallons |
| Bore x Stroke (in,) |
2.6 x 1.8 inches |
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2.6 x 1.7 inches |
2.6 x 1.8 inches |
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2.6 x 1.8 inches |
2.6 x 1.8 inches |
2.6 x 1.7 inches |
2.6 x 1.7 inches |
2.6 x 1.7 inches |
2.6 x 1.7 inches |
2.6 x 1.7 inches |
2.6 x 1.7 inches |
2.6 x 1.7 inches |
2.6 x 1.7 inches |
2.6 x 1.7 inches |
2.6 x 1.7 inches |
2.6 x 1.7 inches |
2.6 x 1.7 inches |
2.6 x 1.7 inches |
2.6 x 1.7 inches |
2.6 x 1.7 inches |
2.6 x 1.7 inches |
Key Specifications
Engine
In-line four, four-stroke
Torque
67.50 Nm (6.9 kgf-m or 49.8 ft.lbs) @ 10500 Revolutions
Weight
190.1 kg / 419.0 lbs
Fuel Capacity
17.03 litres / 4.50 gallons
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Full 2018 Yamaha YZF-R6 Specifications
Comments
Traction control
Colours
Matte Gray, Team Yamaha Blue, Intensity White/Matte Silver
Warranty
1 Year Limited Factory Warranty
Seat Height
851 mm / 33.5 in.
Wheelbase
1,374 mm / 54.1 in.
Height
1,095 mm / 43.1 in.
Length
2,040 mm / 80.3 in.
Width
706 mm / 27.8 in.
Oil Capacity (Quarts)
0.17 quarts
Oil Capacity (l)
2.60 litres
Fuel Capacity
17.03 litres / 4.50 gallons
Wet Weight
190.1 kg / 419.0 lbs
Fuel Control
Double Overhead Cams/Twin Cam (DOHC)
Engine Type
In-line four, four-stroke
CO2
153.1 CO2 g/km. (CO2 - Carbon dioxide emission)
Bore x Stroke (mm)
67.0 x 42.5 mm
Bore x Stroke (in,)
2.6 x 1.7 inches
Engine Detail
Titanium valves
Fuel System
Injection. Fuel Injection with YCC-T and YCC-I
Compression Ratio
13.1:1
Fuel Consumption
6.60 litres/100 km (15.2 km/l or 35.64 mpg)
Ignition
TCI: Transistor Controlled Ignition
Starter
Electric
Valve System
4
Final Drive
Chain
Gearbox
6-speed
Primary Drive
O-ring chain
Frame Type
Deltabox aluminum frame. Magnesium subframe.
Suspension - Front
43mm KYB® inverted fork, 3-way adjustable
Suspension - Rear
KYB® piggyback shock, 4-way adjustable
Rake
24.0°
Trail
97 mm / 3.8 in.
Wheel Travel - Front
119 mm / 4.7 in.
Wheel Travel - Rear
119 mm / 4.7 in.
Instrumentation
Multifunction digital and analog instrumentation features: programmable shift light, digital speedometer, analog tachometer, dual tripmeters with miles-on-reserve function, odometer, water temp gauge and lights for neutral, high beam, low fuel and turn si
Lighting system
Dual LED position lights
Brakes - Front Diameter (in.)
12.6 inches
Brakes - Front Diameter (mm)
320 mm
Brakes - Rear Diameter (in.)
8.7 inches
Brakes - Rear Diameter (mm)
220 mm
Brakes - Front
Double disc. ABS. Floating discs. Four-piston calipers. Radially mounted.
Brakes - Rear
Single disc. ABS. Single-piston caliper.
Tyres - Front
120/70-ZR17
Tyres - Rear
180/55-ZR17
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