MotoSpecs

2018 Yamaha YZF 600 R6 vs 2021 Triumph Trident 660

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles
2018 Yamaha YZF 600 R6 2018 Yamaha YZF 600 R6

Sport

Engine
Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Power
87.1 kW / 116.7 hp @ 14500 rpm
Top Speed
N/A
Weight
190 kg / 419 lbs
2021 Triumph Trident 660 2021 Triumph Trident 660

Sport

Engine
Four stroke, transverse three cylinder, DOHC, 4 valves per cylinder
Power
80 hp / 60 kW @ 10250 rpm
Top Speed
N/A
Weight
189 kg / 417 lbs
Full Specifications
General
Year20182021
Make ModelYamaha YZF 600 R6Triumph Trident 660
Dimensions
Seat Height850 mm / 33.5 in805 mm / 31.7 in
Wheelbase1375 mm / 54.1 in1401 mm / 55.2 in
Ground Clearance130 mm / 5.1 in-
Height1095 mm / 43.1 in1089 mm / 42.9 in (excl Mirrors)
Length2040 mm / 80.3 in2020 mm / 79.5 in
Width706 mm / 27.8 in795 mm / 31.3 in (incl Handlebars)
Weights & Capacities
Fuel Capacity17.5 Litres / 4.5 US gal14 Litres / 3.7 US gal
Wet Weight190 kg / 419 lbs189 kg / 417 lbs
Performance
Max Power87.1 kW / 116.7 hp @ 14500 rpm80 hp / 60 kW @ 10250 rpm
Max Torque61.7 Nm / 45.5 lb-ft @ 10500 rpm64 Nm / 47 lb-ft @ 6250 rpm
Engine
Displacement599 cc / 36.5 cu-in660 cc / 40.2 cu-in
Engine DetailFour stroke, transverse four cylinder, DOHC, 4 valves per cylinder.Four stroke, transverse three cylinder, DOHC, 4 valves per cylinder
Bore x Stroke67 x 42.5 mm74.0 x 51.1mm
Compression Ratio13.1;111.1:1
Cooling SystemLiquid cooledLiquid cooled
Emissions-Euro-5
Exhaust-Stainless steel 3 into 1 header system with low single sided stainless steel silencer
Fuel InductionFuel injection with YCC-T and YCC-IMultipoint sequential electronic fuel injection with electronic throttle control
IgnitionTCI: Transistor Controlled Ignition-
LubricationWet sump-
StarterElectricElectric
Drivetrain
ClutchMulti-plate slipper clutchWet, multi-plate, slip and assist
Final DriveO-ring chainX-ring chain
Transmission / Drive6 Speed 6 Speed
Chassis
Frame TypeDeltabox aluminium frame with revised rigidity balanceTubular steel perimeter frame, twin-sided, fabricated steel Swingarm
Suspension - Front43mm KYB telescopic forks41mm Showa upside down separate function forks (SFF)
Suspension - RearKYB® piggyback shock, 4-way adjustableShowa monoshock RSU, with preload adjustment
Rake24°24.6°
Trail97mm / 3.8 in107.3 mm / 4.2 in
Wheel Travel - Front120 mm / 4.7 in120 mm / 4.7 in
Wheel Travel - Rear120 mm / 4.7 in134 mm / 5.3 in
Electrical Systems
Instrumentation-Multi-function instruments with colour TFT screen
Wheels & Brakes
Brakes - Front2x 320mm discs 4 piston calipers2x 310mm discs Nissin 2-piston calipers
Brakes - RearSingle 220mm disc 1 piston caliperSingle 255mm disc Nissin single-piston sliding caliper
ABS-Standard
Rims - Front-3.5 x 17
Rims - Rear-5.5 x 17
Tyres - Front120/70 ZR17120/70 - R17
Tyres - Rear180/55 ZR17180/55 - R17
Wheels-5 Spoke cast aluminum

Verdict

Winner on specs

2021 Triumph Trident 660

The 2021 Triumph Trident 660 edges out the 2018 Yamaha YZF 600 R6 thanks to its lower seat height, standard ABS, higher rear wheel travel and larger displacement. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2018 Yamaha YZF 600 R6 - Advantages

  • Competitive all-round: The 2018 Yamaha YZF 600 R6 matches or exceeds its rival across all measured criteria.

2021 Triumph Trident 660 - Advantages

  • Lower seat height: 805 mm vs 850 mm - accessible to a wider range of rider heights.
  • Standard ABS: A meaningful safety advantage in emergency braking on wet or loose surfaces.
  • Larger displacement: 660 cc vs 599 cc - more cubic capacity means broader torque delivery and greater low-end pull.
  • More rear wheel travel: 134 mm vs 120 mm - absorbs bigger hits and rough terrain better.

2018 Yamaha YZF 600 R6 vs 2021 Triumph Trident 660 - FAQs

What are the engine differences between the 2018 Yamaha YZF 600 R6 and 2021 Triumph Trident 660?
The 2018 Yamaha YZF 600 R6 uses Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder., while the 2021 Triumph Trident 660 is powered by Four stroke, transverse three cylinder, DOHC, 4 valves per cylinder.
Which bike is better for shorter riders, the 2018 Yamaha YZF 600 R6 or the 2021 Triumph Trident 660?
The 2021 Triumph Trident 660 has the lower seat at 805 mm, making it more accessible. The 2018 Yamaha YZF 600 R6 sits higher at 850 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Does the 2018 Yamaha YZF 600 R6 or 2021 Triumph Trident 660 have ABS?
The 2021 Triumph Trident 660 is listed with ABS as standard. The 2018 Yamaha YZF 600 R6 does not list ABS. ABS provides a meaningful safety benefit in emergency braking on wet or loose surfaces.
Which should I buy, the 2018 Yamaha YZF 600 R6 or the 2021 Triumph Trident 660?
Both are strong choices. The 2018 Yamaha YZF 600 R6 has its own strengths, while the 2021 Triumph Trident 660 stands out for lower seat height and standard ABS. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.

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