| General |
| Year | 2008 - 09 | 2011 |
| Colours | Ebony, Sunbeam Red, Oriental Blue | - |
| Make Model | Kawasaki KLR 650 | Yamaha XT660R |
| Dimensions |
| Ground Clearance (in.) | 8.1 inches | - |
| Ground Clearance (mm) | 211 mm | - |
| Seat Height | 889 mm / 35 in | 865mm / 34.1 in |
| Wheelbase | 1480 mm / 58.3 in | 1505 mm / 59.3 in |
| Ground Clearance | 210 mm / 8.3 in | 210 mm / 8.3 in |
| Height | 1350 mm / 53.1 in | 1230 mm / 48.4 in |
| Length | 2295 mm / 90.4 in | 2240 mm / 88.1 in |
| Width | 960 mm / 37.8 in | 845 mm / 33.2 in |
| Weights & Capacities |
| Dry Weight | 175.5 kg / 387.0 lbs | 172 kg / 379.2 lbs |
| Fuel Capacity | 23 Litres / 5.8 US gal. | 15 Litres / 3.3 US gal |
| Oil Capacity | - | 2.9 Litres / 0.19 quarts |
| Wet Weight | 194 kg / 432 lbs | 181 kg / 421 lbs |
| Performance |
| Maximum RPM | 7800 | - |
| Top Speed | 149.7 km/h / 93.0 mph | 164.7 km/h / 102.3 mph |
| Acceleration (0-100 km/h) | 5.880 seconds | - |
| Max Power | 42.1 hp / 31 kW @ 7000 rpm | 33.8 kW / 48 hp @ 6000 rpm |
| Max Torque | 47 Nm / 4.7 kgf-m @ 5000 rpm | 58.4 Nm / 5.7 kgf-m @ 5250 rpm |
| Power-to-Weight Ratio | 0.2057 HP/kg | - |
| Standing Start ¼ Mile | 14.400 seconds | 14.2 sec |
| Engine |
| Displacement (cc) | 651.00 cc | - |
| Bore x Stroke (mm) | 100.0 x 83.0 mm | - |
| Displacement (ci) | 39.72 cubic inches | - |
| Engine Type | Single cylinder | - |
| Fuel Control | DOHC | - |
| Stroke | 4 | - |
| Bore x Stroke (in,) | 3.9 x 3.3 inches | - |
| Displacement | 651 cc / 39.7 cu-in | 659 cc/ 40.2 cu-in |
| Engine Detail | Four stroke, single cylinder, DOHC, 4 valves per cylinder | Four stroke, single cylinder, SOHC, 4 valve |
| Fuel System | Carburettor. Keihin CVK40 | - |
| Bore x Stroke | 100 x 83 mm. | 100 x 84 mm |
| Compression Ratio | 9.8:1 | 10.0: 1 |
| Cooling System | Liquid cooled | Liquid cooled |
| Engine Oil Specification | Semi-Synthetic, 10W/40 | - |
| Fuel Consumption | - | 23 km/lit |
| Fuel Induction | Keihin CVK40 | Fuel injection, 44 mm throttle body |
| Ignition | Fully transistorized | TCI |
| Lubrication | Forced lubrication (wet sump) | Dry sump |
| Spark Plug | NGK, DPR 8EA/9 | - |
| Starter | Electric | Electric |
| Valve System | 4 | - |
| Drivetrain |
| Clutch | Wet multi-disc, cable operation | Wet, multiple-disc coil spring |
| Final Drive | Chain | Chain |
| Final Drive Ratio | 2.867 (43/15) | - |
| Gear Ratios | 1st 2.266 (34/15) 2nd 1.444 (26/18) 3rd 1.136 (25/22) 4th 0.954 (21/22) 5th 0.791 (19/24) | - |
| Gearbox | 5-speed | - |
| Primary Drive Ratios | 2.272 / 75/33 | - |
| Transmission / Drive | 5 Speed | 5 Speed |
| Chassis |
| Frame Type | Semi-double cradle, high-tensile steel | Steel tubular diamond frame with dual tank rails |
| Suspension - Front | 41mm telescopic fork / 7.9 in. | 43 mm Telescopic forks, |
| Suspension - Rear | UNI-TRAK® single-shock system with 5-way preload and stepless rebound damping / 7.3 in. | Oscillating arm standard Monocross. 200mm wheel travel |
| Rake | 28.0° | 27.0° |
| Trail | 112 mm / 4.4 in | 107 mm / 4.2 in |
| Wheel Travel - Front | 200 mm / 7.8 in | 225 mm / 8.8 in |
| Wheel Travel - Rear | 185 mm / 7.2 in | 200 mm / 7.9 in |
| Wheels & Brakes |
| Brakes - Rear Diameter (mm) | 240 mm | - |
| Brakes - Rear Diameter (in.) | 9.4 inches | - |
| Brakes - Front Diameter (mm) | 280 mm | - |
| Brakes - Front Diameter (in.) | 11.0 inches | - |
| Brakes - Front | Single 280mm disc 2 piston caliper | Single 298mm disc 2 piston caliper |
| Brakes - Rear | Single 203mm disc 1 piston caliper | Single 245mm disc 1 piston caliper |
| Tyres - Front | 90/90 -21 | 90/90- 21 |
| Tyres - Rear | 130/80 -17 | 130/80-17 |