Engine specifications (Yamaha YZF-R1, 7 generation, 2009-2014) [Information for owner: Technical characteristics]

Engine
Engine type	Liquid cooled 4-stroke, DOHC
Displacement	998.0 cm³
Cylinder arrangement	Forward-inclined parallel 4-cylinder
Bore x stroke	78.0 x 52.2 mm (3.07 x 2.06 in)
Compression ratio	12.70 : 1
Standard compression pressure (at sea level)	1480 kPa/350 r/min (14.8 kgf/cm²/350 r/min, 210.5 psi/350 r/min)
Minimum-Maximum	1290-1660 kPa/350 r/min (12.9-16.6 kgf/cm²/ 350 r/min, 183.5-236.1 psi/350 r/min)
Starting system	Electric starter
Fuel
Recommended fuel	Premium unleaded gasoline only
Fuel tank capacity	18.0 L (4.76 US gal, 3.96 Imp.gal)
Fuel reserve amount	3.1 L (0.82 US gal, 0.68 Imp.gal)
Engine oil
Type	YAMALUBE 4 10W-40 or YAMALUBE 4 20W-50, SAE 10W-40 or SAE 20W-50
Recommended engine oil grade	API service SG type or higher, JASO standard MA
Lubrication system	Wet sump
Engine oil quantity
Total amount	4.58 L (4.84 US qt, 4.03 Imp.qt)
Without oil filter cartridge replacement	3.73 L (3.94 US qt, 3.28 Imp.qt)
With oil filter cartridge replacement	3.93 L (4.15 US qt, 3.46 Imp.qt)
Oil filter
Oil filter type	Formed
Oil pump
Oil pump type	Trochoid
Inner-rotor-to-outer-rotor-tip clearance	Less than 0.12 mm (0.0047 in)
Limit	0.20 mm (0.0079 in)
Outer-rotor-to-oil-pump-housing clearance	0.090-0.190 mm (0.0035-0.0075 in)
Limit	0.260 mm (0.0102 in)
Oil-pump-housing-to-inner-and-outer-rotor clearance	0.06-0.13 mm (0.0024-0.0051 in)
Limit	0.200 mm (0.0079 in)
Oil pressure	240.0 kPa/5000 r/min (2.40 kgf/cm²/5000 r/ min, 34.8 psi/5000 r/min)
Bypass valve opening pressure	80.0-120.0 kPa (0.80-1.20 kgf/cm², 11.6-17.4 psi)
Relief valve operating pressure	700.0-820.0 kPa (7.00-8.20 kgf/cm², 101.5- 118.9 psi)
Cooling system
Radiator capacity (including all routes)	2.73 L (2.89 US qt, 2.40 Imp.qt)
Coolant reservoir capacity (up to the maximum level mark)	0.25 L (0.26 US qt, 0.22 Imp.qt)
Radiator cap opening pressure	107.9-137.3 kPa (1.08-1.37 kgf/cm², 15.6- 19.9 psi)
Thermostat
Valve opening temperature	71°C (159.8°F)
Valve full open temperature	85°C (185.0°F)
Valve lift (full open)	More than 8 mm (0.31 in)
Radiator core
Width	383.0 mm (15.08 in)
Height	250.6 mm (9.87 in)
Depth	24.0 mm (0.94 in)
Water pump
Water pump type	Single suction centrifugal pump
Reduction ratio	65/43 x 28/36 (1.176)
Impeller shaft tilt limit	0.15 mm (0.006 in)
Spark plug(s)
Manufacturer/model	NGK/LMAR9E-J
Spark plug gap	0.6-0.7 mm (0.024-0.028 in)
Cylinder head
Volume	14.43-15.23 cm³ (0.88-0.93 cu.in)
Warpage limit	0.10 mm (0.0039 in)
Camshaft
Drive system	Chain drive (right)
Camshaft cap inside diameter	25.500-25.521 mm (1.0039-1.0048 in)
Camshaft journal diameter	25.459-25.472 mm (1.0023-1.0028 in)
Camshaft-journal-to-camshaft-cap clearance	0.028-0.062 mm (0.0011-0.0024 in)
Camshaft lobe dimensions
Intake A	37.350-37.450 mm (1.4705-1.4744 in)
Limit	37.250 mm (1.4665 in)
Intake B	28.034-28.134 mm (1.1037-1.1076 in)
Limit	27.934 mm (1.0998 in)
Exhaust A	36.450-36.550 mm (1.4350-1.4390 in)
Limit	36.350 mm (1.4311 in)
Exhaust B	28.006-28.106 mm (1.1026-1.1065 in)
Limit	27.906 mm (1.0987 in)
Camshaft runout limit	0.030 mm (0.0012 in)
Timing chain
Tensioning system	Automatic
Valve, valve seat, valve guide
Valve clearance (cold)
Intake	0.11-0.20 mm (0.0043-0.0079 in)
Exhaust	0.21-0.25 mm (0.0083-0.0098 in)
Valve dimensions
Valve head diameter A (intake)	30.90-31.10 mm (1.2165-1.2244 in)
Valve head diameter A (exhaust)	24.90-25.10 mm (0.9803-0.9882 in)
Valve face width B (intake)	1.200-2.475 mm (0.0472-0.0974 in)
Valve face width B (exhaust)	1.625-2.900 mm (0.0640-0.1142 in)
Valve seat width C (intake)	0.90-1.10 mm (0.0354-0.0433 in)
Limit	1.60 mm (0.06 in)
Valve seat width C (exhaust)	1.10-1.30 mm (0.0433-0.0512 in)
Limit	1.80 mm (0.07 in)
Valve margin thickness D (intake)	1.35-1.75 mm (0.0532-0.0689 in)
Valve margin thickness D (exhaust)	0.50-0.90 mm (0.0197-0.0354 in)
Valve stem diameter (intake)	4.975-4.990 mm (0.1959-0.1965 in)
Limit	4.960 mm (0.1953 in)
Valve stem diameter (exhaust)	4.460-4.475 mm (0.1756-0.1762 in)
Limit	4.425 mm (0.1742 in)
Valve guide inside diameter (intake)	5.000-5.012 mm (0.1969-0.1973 in)
Limit	5.050 mm (0.1988 in)
Valve guide inside diameter (exhaust)	4.500-4.512 mm (0.1772-0.1776 in)
Limit	4.550 mm (0.1791 in)
Valve-stem-to-valve-guide clearance (intake)	0.010-0.037 mm (0.0004-0.0015 in)
Limit	0.080 mm (0.0032 in)
Valve-stem-to-valve-guide clearance (exhaust)	0.025-0.052 mm (0.0010-0.0020 in)
Limit	0.100 mm (0.0039 in)
Valve stem runout	0.010 mm (0.0004 in)
Valve spring
Inner spring
Free length (intake)	39.33 mm (1.55 in)
Limit	37.36 mm (1.47 in)
Free length (exhaust)	37.96 mm (1.49 in)
Limit	36.06 mm (1.42 in)
Installed length (intake)	34.50 mm (1.36 in)
Installed length (exhaust)	33.00 mm (1.30 in)
Spring rate K1 (intake)	41.57 N/mm (4.24 kgf/mm, 237.36 lbf/in)
Spring rate K2 (intake)	55.62 N/mm (5.67 kgf/mm, 317.59 lbf/in)
Spring rate K1 (exhaust)	40.10 N/mm (4.09 kgf/mm, 228.97 lbf/in)
Spring rate K2 (exhaust)	59.31 N/mm (6.05 kgf/mm, 338.66 lbf/in)
Installed compression spring force (intake)	187.00-215.00 N (19.07-21.92 kgf, 42.04- 48.33 lbf)
Installed compression spring force (exhaust)	185.00-213.00 N (18.86-21.72 kgf, 41.59- 47.88 lbf)
Spring tilt limit (intake)	2.5°/1.7 mm (0.067 in)
Spring tilt limit (exhaust)	2.5°/1.7 mm (0.067 in)
Winding direction (intake)	Clockwise
Winding direction (exhaust)	Clockwise
Cylinder
Bore	78.000-78.010 mm (3.0709-3.0713 in)
Taper limit	0.050 mm (0.0020 in)
Out of round limit	0.050 mm (0.0020 in)
Piston
Piston-to-cylinder clearance	0.010-0.035 mm (0.0004-0.0014 in)
Limit	0.150 mm (0.0059 in)
Piston diameter	77.975-77.990 mm (3.0699-3.0705 in)
Height H	12.0 mm (0.47 in)
Offset	0.00 mm (0.0000 in)
Piston pin bore inside diameter	17.002-17.013 mm (0.6694-0.6698 in)
Limit	17.043 mm (0.6710 in)
Piston pin outside diameter	16.991-17.000 mm (0.6689-0.6693 in)
Limit	16.971 mm (0.6682 in)
Piston-pin-to-piston-pin-bore clearance	0.002-0.022 mm (0.0001-0.0009 in)
Limit	0.072 mm (0.0028 in)
Piston ring
Top ring
Ring type	Barrel
Dimensions (B x T)	0.90 x 2.75 mm (0.04 x 0.11 in)
End gap (installed)	0.15-0.25 mm (0.0059-0.0098 in)
Limit	0.50 mm (0.0197 in)
Ring side clearance	0.030-0.065 mm (0.0012-0.0026 in)
Limit	0.115 mm (0.0045 in)
2nd ring
Ring type	Taper
Dimensions (B x T)	0.80 x 2.75 mm (0.03 x 0.11 in)
End gap (installed)	0.30-0.45 mm (0.0118-0.0177 in)
Limit	0.80 mm (0.0315 in)
Ring side clearance	0.020-0.055 mm (0.0008-0.0022 in)
Limit	0.115 mm (0.0045 in)
Oil ring
Dimensions (B x T)	1.50 x 2.25 mm (0.06 x 0.09 in)
End gap (installed)	0.10-0.40 mm (0.0039-0.0157 in)
Connecting rod
Crankshaft-pin-to-big-end-bearing clearance	0.034-0.058 mm (0.0013-0.0023 in)
Limit	0.09 mm (0.0035 in)
Bearing color code	1.Blue 2.Black 3.Brown 4.Green
Crankshaft
Width A	59.40-60.10 mm (2.339-2.366 in)
Width B	301.80-303.00 mm (11.88-11.93 in)
Runout limit C	0.030 mm (0.0012 in)
Big end side clearance D	0.160-0.262 mm (0.0063-0.0103 in)
Journal oil clearance	0.004-0.039 mm (0.0002-0.0015 in)
Bearing color code	1.Blue 2.Black 3.Brown 4.Green 5.Yellow
Balancer shaft
Balancer shaft runout limit	0.030 mm (0.0012 in)
Journal oil clearance	0.012-0.043 mm (0.0005-0.0017 in)
Bearing color code	0.White 1.Blue 2.Black 3.Brown 4.Green 5.Yel- low 6.Pink
Clutch
Clutch type	Wet, multiple-disc
Clutch release method	Outer pull, rack and pinion pull
Clutch lever free play	10.0-15.0 mm (0.39-0.59 in)
Friction plate thickness	2.92-3.08 mm (0.115-0.121 in)
Wear limit	2.82 mm (0.111 in)
Plate quantity	9 pcs
Clutch plate thickness	1.90-2.10 mm (0.075-0.083 in)
Plate quantity	8 pcs
Warpage limit	0.10 mm (0.0039 in)
Clutch spring free length	43.80 mm (1.72 in)
Limit	41.61 mm (1.64 in)
Spring quantity	6 pcs
Transmission
Transmission type	Constant mesh 6-speed
Primary reduction system	Spur gear
Primary reduction ratio	65/43 (1.512)
Secondary reduction system	Chain drive
Secondary reduction ratio	47/17 (2.765)
Operation	Left foot operation
Gear ratio
1st	38/15 (2.533)
2nd	33/16 (2.063)
3rd	37/21 (1.762)
4th	35/23 (1.522)
5th	30/22 (1.364)
6th	33/26 (1.269)
Main axle runout limit	0.08 mm (0.0032 in)
Drive axle runout limit	0.08 mm (0.0032 in)
Shifting mechanism
Shift mechanism type	Shift drum and guide bar
Shift fork guide bar bending limit	0.100 mm (0.0039 in)
Shift fork-L thickness	5.795-5.868 mm (0.2281-0.2310 in)
Shift fork-C thickness	5.795-5.868 mm (0.2281-0.2310 in)
Shift fork-R thickness	5.760-5.890 mm (0.2268-0.2319 in)
Air filter
Air filter element	Oil-coated paper element
Fuel pump
Pump type	Electrical
Maximum consumption amperage	6.0 A
Fuel pressure	324.0 kPa (3.24 kgf/cm², 47.0 psi)
Fuel injector
Model/quantity	297500-1470/4 (Pri), 297500-1640/4 (2nd)
Fuel injector resistance	12.0 Q at 20°C (68°F)
Throttle body
Type/quantity	45EIDW/1
ID mark	14B1 00 (USA) 14B5 10 (California)
Throttle position sensor
Throttle position sensor resistance	1.2-2.8 kQ
Accelerator position sensor resistance	1.2-2.8 kQ
Output voltage (at idle)	0.63-0.73 V
Fuel injection sensor
Crankshaft position sensor resistance	248-372 Q at 20°C (68°F)
Cylinder identification sensor output voltage	Less than 0.8 V
Cylinder identification sensor output voltage	More than 4.8 V
Atmospheric pressure sensor output voltage	3.57-3.71 V at 101.32 kPa
Intake air pressure sensor output voltage	3.57-3.71 V at 101.32 kPa
Intake air temperature sensor resistance	5.4-6.6 kQ at 0°C (32°F) 290-390 Q at 80°C (176°F)
Air induction system
Reed valve bending limit	0.4 mm (0.016 in)
Solenoid resistance	18-22 Q at 20°C (68°F)
Idling condition
Engine idling speed	1150-1250 r/min
CO%	2.6-3.6 %
Intake vacuum (#1, #3, #4)	24.0 kPa (180 mmHg, 7.1 inHg)
Intake vacuum (#2)	25.3 kPa (192 mmHg, 7.6 inHg)
Water temperature	95.0-105.0°C (203.0-221.0°F)
Oil temperature	75.0-85.0°C (167.0-185.0°F)
Throttle cable free play	3.0-5.0 mm (0.12-0.20 in)

Engine specifications (Yamaha YZF-R1 Y(C))