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2011 Kawasaki Z1000 Ninja

Engine Configuration Inline Four, 4-Stroke
Engine Displacement 1043cc
Engine Cooling Liquid
Compression Ratio 11.8:1
Combustion Chamber Design Pentroof
Valves Per Cylinder 4
Intake Valves Per Cylinder 2 (steel)
Exhaust Valves Per Cylinder 2 (steel)
Bore x Stroke 77 mm x 56 mm
Connecting Rod Length
(center-to-center)
106.33 mm
Connecting Rod Material Steel
Claimed Peak Horsepower 136 bhp @ 9,600 rpm
Claimed Peak Torque 81.1 lbs. - ft. @ 7,800 rpm
Engine Redline 11, 000 rpm
Valve Angle (Included) 12 degrees Intake/ 13 degrees Exhaust (25 degrees)
Combustion Chamber Volume 14.88 cc
Valve Train Type DOHC, Link-plate Chain Drive, Bucket Followers, Shim-under-bucket Lash Adjustment
Valve Adjustment Interval 15,000 miles
Intake Valve Diameter 29.5 mm
Exhaust Valve Diameter 25.5 mm
 Intake Valve Stem Diameter 4.5 mm
Exhaust Valve Stem Diameter 4.5 mm
Intake Valve Maximum Lift 8.8 mm
Exhaust Valve Maximum Lift 7.8 mm
Intake Valve Timing  
Open BTDC 31 degrees
Close ABDC 65 degrees
Duration 276 degrees
Exhaust Valve Timing  
Open BBDC 58 degrees
Close ATDC 18 degrees
Duration 256 degrees
Valve Timing Measuring Point 0.2 mm Intake, 0.3 mm Exhaust (lift)
Fuel Delivery System Kehin Fuel Injection
Throttle Body Venturi Size 38 mm
Air Filter Type Pleated, Paper Element
Exhaust System Type 4-2-2 (stainless steel)
Ignition System Digital
Lubrication System Wet Sump
Oil Capacity 4.2 quarts (4.0 liters)
Fuel Capacity 5.0 gallons (18.9 liters)
Transmission Type 6-speed, Constant Mesh
Clutch Type Multi-plate, Wet
Clutch Actuation System Cable
Clutch Spring Type Coil
Number Of Clutch Springs 5
 Number of Clutch Plates 7
Drive Plates 4
Driven Plates 3
Primary Drive Gear (Straight-cut)
Primary Drive Gear Teeth (Ratio) 83/51 (1.627:1)
Final Drive Sprocket Teeth (Ratio) 41/15 (2.733:1)
Transmission Gear Teeth (Ratios)  
6th 25/22 (1.136:1)
5th 26/21 (1.238:1)
4th 25/18 (1.389:1)
3rd 24/15 (1.600:1)
2nd 39/20 (1.950:1)
1st 39/15 (2.600:1)
 Transmission Overall Ratios  
6th 5.055:1
5th 5.509:1
4th 6.181:1
3rd 7.120:1
2nd 8.678:1
1st 11.570:1