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All Bikes/Compare/Kawasaki Z650 vs Triumph Street Triple

Kawasaki Z650 vs Triumph Street Triple

Side-by-side comparison for used motorcycle buyers

Kawasaki Z650 vs Triumph Street Triple. Kawasaki Z650: 68 hp @ 8,000 rpm hp, 187 kg (wet/curb weight) weight, top speed 185 km/h, Motoryk rating 7.8/10. Triumph Street Triple: 118 hp @ 12,000 rpm (2023 Street Triple RS 765; base R variant approx. 94 hp; note: varies significantly by variant and year) hp, 166 kg (wet/curb weight, Street Triple RS; base variants approx. 168 kg) weight, top speed 225 km/h (note: approximate; RS variant slightly higher, around 230 km/h), Motoryk rating 8.5/10.

Performance at a Glance

Green = winner per metric · Bars are relative to the higher value

Kawasaki Z650 Triumph Street Triple
Horsepower (hp)
68 hp
118 hp
Torque (Nm)
64 Nm
79 Nm
Top Speed (km/h)
185 km/h
225 km/h
Weight (kg) — lower is better
187 kg
166 kg
Type
Naked
Naked
Horsepower
68 hp @ 8,000 rpm
118 hp @ 12,000 rpm (2023 Street Triple RS 765; base R variant approx. 94 hp; note: varies significantly by variant and year)
Torque
64 Nm @ 6,700 rpm
79 Nm @ 9,350 rpm (Street Triple RS 765; note: varies by variant)
Top Speed
185 km/h
225 km/h (note: approximate; RS variant slightly higher, around 230 km/h)
Weight
187 kg (wet/curb weight)
166 kg (wet/curb weight, Street Triple RS; base variants approx. 168 kg)
Fuel
4.5 L/100km (approx. 22 km/L typical real-world average)
5.5–6.5 L/100km (approx. 15–18 km/L, real-world average; note: varies by variant and riding style)
Fairing
No
No

Individual Reviews

Kawasaki Z650
Kawasaki Z650
7.8/10

"A genuinely sorted middleweight that rewards riders who outgrew 400s."

Pros
+Torquey twin from low revs
+Lightweight and genuinely flickable
+Parts cheap and plentiful
Cons
Rear shock deteriorates quickly
Pillion comfort frankly terrible
Wind protection essentially nonexistent
Triumph Street Triple
Triumph Street Triple
8.5/10

"The best all-rounder middleweight money can buy used."

Pros
+Triple engine sounds incredible
+Razor-sharp chassis response
+Comfortable all-day ergonomics
Cons
Throttle body issues on older bikes
Fuel economy genuinely poor
Pillion seat essentially decorative

Top 10 Accessories

Picks that work on either bike.

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PUIG R12 Frame Sliders Kawasaki Z650 2017+
PUIG · Frame Sliders
PUIG R12 Frame Sliders Kawasaki Z650 2017+
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R&G Racing Aero Frame Sliders Triumph Street Triple
R&G · Frame Sliders
R&G Racing Aero Frame Sliders Triumph Street Triple
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Front and Rear Brake Pads for Kawasaki 650 Z650 ER 650 2017-2020 Z750 ZR 750 2007-2011 KLE650 Versys 650 2016-2020 for Honda 600 CB600F Hornet 1998-2006 CB600 Hornet S 2000-2004 CB750 1992-2002
Brake Pads
Front and Rear Brake Pads for Kawasaki 650 Z650 ER 650 2017-2020 Z750 ZR 750 2007-2011 KLE650 Versys 650 2016-2020 for Honda 600 CB600F Hornet 1998-2006 CB600 Hornet S 2000-2004 CB750 1992-2002
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Evotech Performance Engine Case Cover Set Street Triple
Evotech · Crash Protection
Evotech Performance Engine Case Cover Set Street Triple
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AJC Battery Compatible with Kawasaki Z650 ABS 650CC Motorcycle Battery (2017-2019)
Battery
AJC Battery Compatible with Kawasaki Z650 ABS 650CC Motorcycle Battery (2017-2019)
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Caltric Front Rear Brake Pads Compatible with Triumph Street Triple 675 2007-2014
Brake Pads
Caltric Front Rear Brake Pads Compatible with Triumph Street Triple 675 2007-2014
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NICHE Drive Sprocket Chain Combo for Kawasaki Ninja 650 Versys Front 15 Rear 46 Tooth 520 X-Ring 114 Links
Chain & Lube
NICHE Drive Sprocket Chain Combo for Kawasaki Ninja 650 Versys Front 15 Rear 46 Tooth 520 X-Ring 114 Links
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AJC Battery Compatible with Triumph Street Triple R ABS 675CC Motorcycle Battery (2014-2016)
Battery
AJC Battery Compatible with Triumph Street Triple R ABS 675CC Motorcycle Battery (2014-2016)
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Pirelli Angel ST 120/70ZR17 (58W) Front & 180/55ZR17 (73W) Rear Motorcycle Tires – High-Performance Sport Touring Tire for Enhanced Grip, Durability & Stability – Fits Sport & Touring Bikes
Tires
Pirelli Angel ST 120/70ZR17 (58W) Front & 180/55ZR17 (73W) Rear Motorcycle Tires – High-Performance Sport Touring Tire for Enhanced Grip, Durability & Stability – Fits Sport & Touring Bikes
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NICHE Gold 525 X-Ring Chain 118 Links with Connecting Master Link
Chain & Lube
NICHE Gold 525 X-Ring Chain 118 Links with Connecting Master Link
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