Kawasaki KLX 450R Specs

2008 - 2009 • 2 variants

The Kawasaki KLX 450R is an enduro motorcycle produced from 2008 to 2009 across 2 variants. It is powered by a four stroke, single cylinder, dohc, 4 valves per cylinder displacing 449.0 cc. Peak power output is 56.4 hp. Peak torque is 50 Nm.

About the Kawasaki KLX 450R

Documented here are the full technical specifications for the Kawasaki KLX 450R, a Enduro / Off-Road motorcycle with a production run from 2008 to 2023. Specification data includes engine type and displacement, maximum power and torque output, transmission details, frame construction, suspension travel front and rear, brake types and rotor dimensions, tyre sizes, and overall weight and dimension figures. Select a year above to view the complete spec sheet for that model year.

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Kawasaki KLX 450R by Year

2009 Kawasaki KLX 450R View specs →

Spec Evolution

How key specs changed across production years.

Specification	2009	2011	2012	2013	2015	2016	2017	2019	2020	2021	2023
Ground Clearance (mm)	320 mm	320 mm	315 mm ↓	315 mm	315 mm	315 mm	315 mm	315 mm	315 mm	315 mm	315 mm
Ground Clearance (in.)	12.6 inches	12.6 inches	12.4 inches ↓	12.4 inches	12.4 inches	12.4 inches	12.4 inches	12.4 inches	12.4 inches	12.4 inches	12.4 inches
Fuel Control	DOHC	DOHC	DOHC	DOHC	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)	Double Overhead Cams/Twin Cam (DOHC)
Displacement (cc)	449.00 cc	-	-	449.00 cc	449.00 cc	449.00 cc	449.00 cc	449.0 cc	449.0 cc	449.0 cc	449.0 cc
Frame Type	Aluminum, perimeter design	Aluminum, perimeter Rake / trail: 27.1 degrees / 4.6 in.	Aluminum, perimeter Rake / trail: 27.1 degrees / 4.6 in.	Perimeter, aluminium	Perimeter, aluminium	Perimeter, aluminium	Perimeter, aluminium	Perimeter, aluminium	Perimeter, aluminium	Perimeter, aluminium	Perimeter, aluminium
Seat Height	940 mm / 37.0 in.	940 mm / 37.0 in	940 mm / 37.0 in	935 mm / 36.8 in. ↓	935 mm / 36.8 in.	935 mm / 36.8 in.	935 mm / 36.8 in.	935 mm / 36.8 in.	935 mm / 36.8 in.	935 mm / 36.8 in.	935 mm / 36.8 in.
Dry Weight	450 kg / 992.1 lbs	115 kg / 253.5 lbs ↓	115 kg / 253.5 lbs	-	-	-	-	-	-	-	-
Brakes - Front	Single 250mm disc 2 piston caliper	Single 250mm disc 2 piston caliper	Single 250mm disc 2 piston caliper	Single disc. Semi-floating petal disc, dual piston caliper	Single disc. Semi-floating petal disc, dual piston caliper	Single disc. Semi-floating petal disc, dual piston caliper	Single disc. Semi-floating petal disc, dual piston caliper	Double disc	Double disc. Dual piston	Double disc. Dual piston	Single disc. Semi-floating petal disc, dual piston caliper.
Wheelbase	1480 mm / 58.3 in	1480 mm / 58.3 in	1480 mm / 58.3 in	1,480 mm / 58.3 in. ↓	1,480 mm / 58.3 in.	1,480 mm / 58.3 in.	1,480 mm / 58.3 in.	1480 mm / 58.3 in. ↑	1480 mm / 58.3 in.	1480 mm / 58.3 in.	1480 mm / 58.3 in.
Fuel Capacity	7.94 litres / 2.10 gallons	8 Litres / 2.1 US gal ↑	8 Litres / 2.1 US gal	8.00 litres / 2.11 gallons	8.00 litres / 2.11 gallons	8.00 litres / 2.11 gallons	8.00 litres / 2.11 gallons	8.00 litres / 2.11 US gallons	8.00 litres / 2.11 US gallons	8.00 litres / 2.11 US gallons	8.00 litres / 2.11 US gallons
Brakes - Rear	Single disc	Single 240mm disc 1 piston caliper	Single 240mm disc 1 piston caliper	Single disc. Petal disc, single piston caliper	Single disc. Petal disc, single piston caliper	Single disc. Petal disc, single piston caliper	Single disc. Petal disc, single piston caliper	Single disc	Single disc	Single disc	Single disc. Petal disc, single-piston caliper
Suspension - Front	48mm inverted AOS-type cartridge fork with 22-way compression damping and 20-way rebound damping	48mm inverted AOS-type cartridge fork with 22-way compression damping and 20-way rebound damping	48mm inverted AOS-type cartridge fork with 22-way compression damping and 20-way rebound damping	48 mm upside-down AOStype telescopic fork with	48 mm upside-down AOStype telescopic fork with	48 mm upside-down AOStype telescopic fork with	48 mm upside-down AOStype telescopic fork with	USD Air Oil Separate Systems cartridge-type telescopic fork with 22-way compression and 18-way rebound damping adjustment ↓	48 mm inverted AOS type telescopic fork with 22-way compression and 18-way rebound damping ↑	48 mm inverted AOS type telescopic fork with 22-way compression and 18-way rebound damping	48 mm inverted AOS type telescopic fork with 22-way compression and 18-way rebound damping
Suspension - Rear	Uni-Trak® single shock system with 22-way low-speed, two-turn variable high-speed compression damping and 22-way rebound damping	Uni-Trak® single shock system with 22-way low-speed, two-turn variable high-speed compression damping and 22-way rebound damping	Uni-Trak® single shock system with 22-way low-speed, two-turn variable high-speed compression damping and 22-way rebound damping	Uni-Trak with 22-way low-speed, 2 turns or more high speed compression damping, 22 way rebound damping and adjustable spring preload	Uni-Trak with 22-way low-speed, 2 turns or more high speed compression damping, 22 way rebound damping and adjustable spring preload	Uni-Trak with 22-way low-speed, 2 turns or more high speed compression damping, 22 way rebound damping and adjustable spring preload	Uni-Trak with 22-way low-speed, 2 turns or more high speed compression damping, 22 way rebound damping and adjustable spring preload	New Uni-Trak with gas-charged shock absorber which features adjustable spring preload, 22-way rebound and 22-way (low speed) compression damping and 2 turns or more of high speed compression adjustment.	Uni-Trak with 22-way low-speed, 2 turns or more high speed compression damping, 22 way rebound damping and adjustable spring preload	Uni-Trak with 22-way low-speed, 2 turns or more high speed compression damping, 22 way rebound damping and adjustable spring preload	Uni-Trak with 22-way low-speed, 2 turns or more high speed compression damping, 22 way rebound damping and adjustable spring preload
Fuel System	Carburettor. Keihin FCR40	Carburettor. Keihin FCR40	Carburettor. Keihin FCR40	Carburettor. Keihin FCR40	Carburettor. Keihin FCR40	Carburettor. Keihin FCR40	Carburettor. Keihin FCR-MX40	-	Carburettor. Keihin FCR MX40	Carburettor. Keihin FCR MX40	Carburettor. Keihin FCR MX40
Clutch	-	-	-	-	Wet multiplate	Wet multiplate	Wet multiplate	Wet multi-disc, manual	Wet multi-disc, manual	Wet multi-disc, manual	Wet multi-disc, manual
Final Drive	Chain	Chain	Chain	Chain	Chain	Chain	Chain	Chain (final drive)	Chain (final drive)	Chain (final drive)	Chain (final drive)
Height	1255 mm / 49.4 in	1255 mm / 49.4 in	1255 mm / 49.4 in	1,250 mm / 49.2 in. ↓	1,250 mm / 49.2 in.	1,250 mm / 49.2 in.	1,250 mm / 49.2 in.	1250 mm / 49.2 in. ↑	1250 mm / 49.2 in.	1250 mm / 49.2 in.	1250 mm / 49.2 in.
Length	2,179 mm / 85.8 in.	2180 mm / 85.8 in ↑	2180 mm / 85.8 in	2,175 mm / 85.6 in. ↓	2,175 mm / 85.6 in.	2,175 mm / 85.6 in.	2,175 mm / 85.6 in.	2220 mm / 87.4 in. ↑	2175 mm / 85.6 in. ↓	2220 mm / 87.4 in. ↑	2175 mm / 85.6 in. ↓
Warranty	-	-	12 Months	12 Months	-	-	-	3 Months Parts Only	3 Months Parts Only	3 Months Parts Only	3 Months Parts Only
Wet Weight	-	126.0 kg / 277.7 lbs	126.0 kg / 277.8 lbs	126.0 kg / 277.8 lbs	126.0 kg / 277.8 lbs	126.0 kg / 277.8 lbs	126.0 kg / 277.8 lbs	126.0 kg / 277.8 lbs	126.0 kg / 277.8 lbs	126.0 kg / 277.8 lbs	126.0 kg / 277.8 lbs
Engine Lubrication	-	-	Forced lubrication, semi and #8209;dry sump	Forced lubrication, semi dry sump	Forced lubrication, semi dry sump	Forced lubrication, semi dry sump	Forced lubrication, semi dry sump	-	Forced lubrication, semi and #8209;dry sump	Forced lubrication, semi and #8209;dry sump	Forced lubrication, semi dry sump
Tyres - Front	80/80-21	80/100-21	80/100-21	18/7-8 ↓	80/100-21 ↑	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21
Width	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.	860 mm / 33.9 in. ↑	820 mm / 32.3 in. ↓	860 mm / 33.9 in. ↑	820 mm / 32.3 in. ↓
Gearbox	5-speed	5-speed	6-speed ↑	6-speed	6-speed	6-speed	6-speed	-	5-speed	5-speed	5-speed
Tyres - Rear	110/90-18	110/100-18	110/100-18	120/90-18 ↑	120/90-18	120/90-18	120/90-18	-	-	-	-
Rake	27.7°	27.1° ↓	27.1°	28.0° ↑	28.0°	28.0°	28.0°	-	-	-	-
Instrumentation	-	-	Neutral indicator, reverse indicator	Speedometer, odometer, clock, fuel gauge and coolant temp light	-	-	-	-	-	-	-
Trail	122 mm / 4.6 in	122 mm / 4.6 in	122 mm / 4.6 in	122 mm / 4.8 in.	122 mm / 4.8 in.	122 mm / 4.8 in.	122 mm / 4.8 in.	-	-	-	122 mm / 4.8 in.
Wheel Travel - Front	285 mm / 11.2 in	285 mm / 11.2 in	285 mm / 11.2 in	305 mm / 12.0 in. ↑	305 mm / 12.0 in.	305 mm / 12.0 in.	305 mm / 12.0 in.	48 mm / 1.9 in. ↓	305 mm / 12.0 in. ↑	305 mm / 12.0 in.	305 mm / 12.0 in.
Wheel Travel - Rear	278 mm / 10.9 in	278 mm / 10.9 in	278 mm / 10.9 in	315 mm / 12.4 in. ↑	315 mm / 12.4 in.	315 mm / 12.4 in.	315 mm / 12.4 in.	-	315 mm / 12.4 in.	315 mm / 12.4 in.	315 mm / 12.4 in.
Ignition	Digital AC-CDI	Digital AC-CDI	Digital AC-CDI	Digital AC-CDI	Digital AC-CDI	Digital AC-CDI	-	DC-CDI	Digital AC-CDI	Digital AC-CDI	Digital AC-CDI
Starter	Electric & kick	Electric & kick	Electric & kick	Electric & kick	Electric & kick	Electric & kick	Electric & kick	-	Electric & kick	Electric & kick	Electric & kick

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