Yamaha R6
121 hp, 600 cc, 182 kg2003 - 2004
KTM 690 Duke
72 hp, 692 cc2016
MetricUS
EngineYamaha R6KTM 690 Duke
Displacement600 cc692 cc
Max power121 hp (@13 000 RPM)72 hp (@8 200 RPM)
Max torque60 Nm (@12 000 RPM)74 Nm (@6 500 RPM)
Redline15 500 RPM9 000 RPM
Idling speed1 550 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Single
Compression12.40:112.70:1
Oil capacity3.40 litre
Oil type10W40, Motul 300V 10W40, Shell Rotella 10W4010W50, Liqui Moly 10W50, Motul 10W50
Spark plug typeNGK CR9EK, NGK CR10EKinside, NGK LKAR9BI‐10, outside, NGK LMAR7DI‐10
CoolingLiquidLiquid
Valves164
Bore65.5 mm105.0 mm
Stroke44.5 mm80.0 mm
Throttle bore38.0 mm55.0 mm
Weight to power1.50 kg/hp
Power to weight664 hp/Ton
Battery type12 V 8 Ah, GT9B-4
GearboxYamaha R6KTM 690 Duke
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain type5/8 x 1/4” (520) X‐ring
Gears count66
Primary ratio1.9552.194
Final drive3.02.5
1. gear2.846 (110 km/h)2.5 (77 km/h)
2. gear1.947 (161 km/h)1.75 (110 km/h)
3. gear1.556 (202 km/h)1.333 (145 km/h)
4. gear1.333 (235 km/h)1.095 (176 km/h)
5. gear1.19 (264 km/h)0.956 (202 km/h)
6. gear1.083 (290 km/h)0.869 (222 km/h)
ChasisYamaha R6KTM 690 Duke
Frame typeDiamondLattice frame made of chrome molybdenum steel tubing, powder- coated
Front susp.Telescopic fork USD, 120.00 mm travelUSD Fork 4357 ROTA SPLIT
Rear susp.Swingarm link, spring/gas-oil damper Pro‐Lever linkage
Summary

The 2003-2004 Yamaha R6 and the 2016 KTM 690 Duke are two exemplary motorcycles, with different characteristics, targeted audiences, strengths, and weaknesses.

The Yamaha R6 is a highly-respected sportbike that was introduced in 1999. The 2003-2004 Yamaha R6 model is specifically designed for high-performance racing and has an impressive speed range that can reach up to 162 mph. This model is known for its lightweight aluminum frame, exceptional high-speed handling, and agility. It has a 599cc, liquid-cooled, 4-stroke, DOHC, 16-valve, inline-four engine that produces 120 horsepower.

On the other hand, the 2016 KTM 690 Duke is a naked motorcycle that is designed for city riding and commuting. This motorcycle features a 690cc, liquid-cooled, single-cylinder engine that produces 75 horsepower. While it still packs quite a punch, the KTM 690 Duke is more focused on versatility than raw power. It has an impressive TFT display and Bluetooth connectivity, allowing riders to connect to their smartphones for hands-free operation.

The targeted audiences for both motorcycles are different. The Yamaha R6 is usually targeted at serious riders who seek speed and high-performance machines. The KTM 690 Duke, on the other hand, is more focused on recreational riders and those who want a reliable daily commuter that is easy to maneuver in the city.

When it comes to best points as compared to each other, the Yamaha R6 shines in terms of performance and speed. It features a high-performance engine and a lightweight frame that makes it very agile and maneuverable even at high speeds. Contrastingly, the KTM 690 Duke shines in terms of versatility, ease of use, and fuel efficiency. Its modern features and connection to smartphones make it an excellent option for today's connected world.

In terms of areas where they let down, the Yamaha R6 is known for its discomfort during long rides. Since it is a high-performance racing bike, it lacks the comfort and ease of use for daily commuting. The KTM 690 Duke, on the other hand, has a limited top speed as compared to the Yamaha R6. It may not be the best option for riders looking for a high-performance machine.

Overall, both the 2003-2004 Yamaha R6 and the 2016 KTM 690 Duke are excellent motorcycles, but for different purposes.