Kawasaki Z 800 Performance Edition (2015-16) vs Aprilia 125 Pegaso (1993-94) vs KTM 450 EXC (2007-08) vs KTM 390 Adventure X (2025) vs Aprilia Tuono 1000 (2003)

Comparison technical specifications

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Make:	Kawasaki	Aprilia	KTM	KTM	Aprilia
Model:	Z 800 Performance Edition	125 Pegaso	450 EXC	390 Adventure X	Tuono 1000
Years:	2015-16	1993-94	2007-08	2025	2003
Engine:	Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder	Two stroke, single cylinder, reed valves	Four stroke, single cylinder, SOHC, 4 valves per cylinder	Four stroke, single cylinder, DOHC with finger followers, 4 valves	Four stroke, longitudinal 60°V twin, DOHC, 4 valves per cylinder
Capacity:	806 cc / 49.1 cu-in	124 cc / 7.6 cu in	447.9 cc / 27.42 cu-in	398.7 cc / 24.3 cu-in	997.6 cc / 60.9 cu in
Bore x Stroke:	71 x 50.9 mm	54 x 54.5mm	89 x 72 mm	89 x 64 mm	97 x 67.5mm
Compression Ratio:	11.9:1	14.0:1	11.1:1	12.6:1	11.4:1
Induction:	Fuel injection: 34 mm x 4 (Mikuni), with dual throttle valves	Ø34 mm Dell'Orto carburetor	Keihin MX FCR 39 carburetor	Bosch fuel injection, 46 mm throttle body	Integrated electronic engine management system. Indirect multipoint electronic injection, Ø51 mm throttle bodies.
Starting:	Electric	Electric	Electric & kick	Electric	Electric
Lubrication:	Forced lubrication, wet sump	Dry sump, external oil pump	Pressure lubrication with 2 rotor pumps	Wet sump	Dry sump with separate oil reservoir. Double trochoidal pump with oil cooler.
Clutch:	Wet multi-disc, manual	Wet, cable operatied	Wet multi-disc clutch, operated hydraulically	PASC slipper clutch, mechanically operated	Multiple disk in oil bath with patented PPC power-assisted hydraulic control
Transmission:	6 Speed	6 Speed	6 Speed	6 Speed	6 Speed
Final Drive:	Chain	Chain	Chain, X ring, 5.8 x 1/4"	Chain 520-X Ring	Chain
Frame:	Tubular backbone (with engine sub-frame), high-tensile steel	Steel double cradle	Central tube chrome-moly-steel frame	Steel trellis frame, powder coated, with bolt-on subframe	Box section sloping twin-spar frame in aluminium alloy. Removable aluminium alloy saddle mount frame.
Front Suspension:	41 mm inverted fork with rebound damping and spring preload adjustability,	Ø41 mm Inverted telescopic forks	WP 4860 MA upside-down fork	43mm WP APEX 43, open cartridge, non-adjustable	Upside-down Öhlins fork, Ø43 mm diameter titanium nitride treated sleeves
Rear Suspension:	Bottom-Link Uni-Trak, gas-charged shock with piggyback reservoir and stepless rebound damping and preload adjustability,	Single chock preload adjustable	WP-PDS shock absorber, aluminium swingarm	WP APEX Emulsion	Swing arm in Aluminium alloy, progressive linkage with APS system. Boge hydraulic monoshock with adjustment for preload, compression and rebound dampening.
Rear Wheel Travel:	137 mm / 5.3 in	220 mm / 8.7 in	335 mm / 13.2 in	200 mm / 7.9 in	135 mm / 5.3 in
Front Brakes:	2x semi-floating 310 mm discs 4 piston calipers	Single Ø300 mm disc, 2 piston caliper	Single 260 mm disc, floating caliper	Single 320 mm disc, Bybre axial calipers, two piston	2 x Ø320mm floating discs, stainless steel, 4 piston calipers, Brembo
Rear Brakes:	Single 220mm disc 1 piston caliper	Single Ø220 mm disc, 1 piston caliper	Single 220mm disc, floating caliper	Single 240 mm disc, Bybre floating 1 piston caliper	Single Ø220 mm stainless steel disc, 2 piston caliper, Brembo
Front Tyre:	120/70 ZR17	100/90-18	90/90 - 21	100/90 x R19 M/C 54T TL M+S	120/70 ZR17
Rear Tyre:	180/55ZR17	120/80-17	140/80 - 18	130/80 x R17 M/C 70T M+S	190/50 ZR17 (alternative: 180/55 ZR17)
Fuel Capacity:	17 Litres / 4.5 US gal	14 Litres / 3.7 US gal	9.0 L / 2.4 US gal / 2.0 Imp gal	14 L / 3.7 US gal	18 L / 4.8 US gal