Engine Specifications
Fragment manuala — str. 51–58
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ENGINE SPECIFICATIONS
EAS20290
ENGINE SPECIFICATIONS
Engine
Engine type Liquid cooled 4-stroke, DOHC
Displacement 1298.0 cm³ (79.20 cu.in)
Cylinder arrangement Forward-inclined parallel 4-cylinder
Bore × stroke 79.0 × 66.2 mm (3.11 × 2.61 in)
Compression ratio 10.80 :1
Standard compression pressure (at sea level) 1600 kPa/400 r/min (228 psi/400 r/min) (16.0
kgf/cm²/400 r/min)
Minimum–maximum 1390–1790 kPa (197.7–254.6 psi) (13.9–17.9
kgf/cm²)
Starting system Electric starter
Fuel
Recommended fuel Unleaded gasoline only
Fuel tank capacity 25.0 L (6.61 US gal) (5.50 Imp.gal)
Fuel reserve amount 5.5 L (1.45 US gal) (1.21 Imp.gal)
Engine oil
Lubrication system Wet sump
Type YAMALUBE 4 (20W40) or SAE20W40
Recommended engine oil grade API service SE, SF, SG type or higher
Engine oil quantity
Total amount 4.90 L (5.18 US qt) (4.31 Imp.qt)
Without oil filter cartridge replacement 3.80 L (4.02 US qt) (3.34 Imp.qt)
With oil filter cartridge replacement 4.00 L (4.23 US qt) (3.52 Imp.qt)
Oil pressure (hot) 30.0 kPa/1000 r/min (4.4 psi/1000 r/min) (0.30
kgf/cm²/1000 r/min)
Final gear oil
Type Shaft drive gear oil (Part No.: 9079E-SH001-00)
Quantity 0.20 L (0.21 US qt) (0.18 Imp.qt)
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 0.090–0.150 mm (0.0035–0.0059 in)
Limit 0.220 mm (0.0087 in)
Oil-pump-housing-to-inner-and-outer-rotor
clearance 0.03–0.08 mm (0.0012–0.0032 in)
Limit 0.15 mm (0.0059 in)
Bypass valve opening pressure 78.4–117.6 kPa (11.4–17.1 psi) (0.78–1.18
kgf/cm²)
Relief valve operating pressure 480.0–560.0 kPa (69.6–81.2 psi) (4.80–5.60
kgf/cm²)
Cooling system
Radiator capacity (including all routes) 2.60 L (2.75 US qt) (2.29 Imp.qt)
Radiator capacity 0.65 L (0.69 US qt) (0.57 Imp.qt)
2-2
ENGINE SPECIFICATIONS
Coolant reservoir capacity (up to the maximum level
mark) 0.25 L (0.26 US qt) (0.22 Imp.qt)
Radiator cap opening pressure 93.3–122.7 kPa (13.5–17.8 psi) (0.93–1.23
kgf/cm²)
Valve relief pressure 4.9 kPa (0.7 psi) (0.05 kgf/cm²)
Thermostat
Model/manufacturer 4FM/NIPPON THERMOSTAT
Valve opening temperature 69.0–73.0 °C (156.20–163.40 °F)
Valve full open temperature 85.0 °C (185.00 °F)
Valve lift (full open) 8.0 mm (0.31 in)
Radiator core
Width 360.0 mm (14.17 in)
Height 273.8 mm (10.78 in)
Depth 22.0 mm (0.87 in)
Water pump
Water pump type Single suction centrifugal pump
Reduction ratio 75/48 × 25/28 (1.395)
Impeller shaft tilt limit 0.15 mm (0.006 in)
Spark plug (s)
Manufacturer/model NGK/CR8E
Manufacturer/model DENSO/U24ESR-N
Spark plug gap 0.7–0.8 mm (0.028–0.031 in)
Cylinder head
Volume 22.74–23.34 cm³ (1.39–1.42 cu.in)
Warpage limit 0.10 mm (0.0039 in)
Camshaft
Drive system Chain drive (right)
Camshaft cap inside diameter 24.500–24.521 mm (0.9646–0.9654 in)
Camshaft journal diameter 24.459–24.472 mm (0.9630–0.9635 in)
Camshaft-journal-to-camshaft-cap clearance 0.028–0.062 mm (0.0011–0.0024 in)
Camshaft lobe dimensions
Intake A 33.050–33.150 mm (1.3012–1.3051 in)
Limit 32.050 mm (1.2618 in)
Intake B 24.997–25.097 mm (0.9841–0.9881 in)
Limit 23.997 mm (0.9448 in)
Exhaust A 33.050–33.150 mm (1.3012–1.3051 in)
Limit 32.950 mm (1.2972 in)
Exhaust B 24.997–25.097 mm (0.9841–0.9881 in)
2-3
ENGINE SPECIFICATIONS
Limit 24.897 mm (0.9802 in)
A
B
Camshaft runout limit 0.030 mm (0.0012 in)
Timing chain
Model/number of links 92RH2015/136
Tensioning system Automatic
Valve, valve seat, valve guide
Valve clearance (cold)
Intake 0.15–0.22 mm (0.0059–0.0087 in)
Exhaust 0.18–0.25 mm (0.0071–0.0098 in)
Valve dimensions
Valve head diameter A (intake) 29.90–30.10 mm (1.1772–1.1850 in)
Valve head diameter A (exhaust) 25.90–26.10 mm (1.0197–1.0276 in)
A
Valve seat width C (intake) 0.90–1.10 mm (0.0354–0.0433 in)
Valve seat width C (exhaust) 0.90–1.10 mm (0.0354–0.0433 in)
C
Valve margin thickness D (intake) 0.80–1.20 mm (0.0315–0.0472 in)
Valve margin thickness D (exhaust) 0.50–0.90 mm (0.0197–0.0354 in)
D
Valve stem diameter (intake) 4.975–4.990 mm (0.1959–0.1965 in)
Valve stem diameter (exhaust) 4.965–4.980 mm (0.1955–0.1961 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) 5.000–5.012 mm (0.1969–0.1973 in)
Limit 5.050 mm (0.1988 in)
2-4
ENGINE SPECIFICATIONS
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) 0.020–0.047 mm (0.0008–0.0019 in)
Limit 0.105 mm (0.0041 in)
Valve stem runout 0.010 mm (0.0004 in)
Cylinder head valve seat width (intake) 0.90–1.10 mm (0.0354–0.0433 in)
Cylinder head valve seat width (exhaust) 0.90–1.10 mm (0.0354–0.0433 in)
Valve spring
Free length (intake) 39.73 mm (1.56 in)
Limit 37.74 mm (1.49 in)
Free length (exhaust) 39.73 mm (1.56 in)
Limit 37.74 mm (1.49 in)
Installed length (intake) 33.00 mm (1.30 in)
Installed length (exhaust) 33.00 mm (1.30 in)
Spring rate K1 (intake) 21.85 N/mm (124.76 lb/in) (2.23 kgf/mm)
Spring rate K2 (intake) 28.34 N/mm (161.82 lb/in) (2.89 kgf/mm)
Spring rate K1 (exhaust) 21.85 N/mm (124.76 lb/in) (2.23 kgf/mm)
Spring rate K2 (exhaust) 28.34 N/mm (161.82 lb/in) (2.89 kgf/mm)
Installed compression spring force (intake) 136.00–158.00 N (30.57–35.52 lb) (13.87–
16.11 kgf)
Installed compression spring force (exhaust) 136.00–158.00 N (30.57–35.52 lb) (13.87–
16.11 kgf)
Spring tilt (intake) 2.5°/1.7 mm (2.5°/0.067 in)
Spring tilt (exhaust) 2.5°/1.7 mm (2.5°/0.067 in)
Winding direction (intake) Clockwise
Winding direction (exhaust) Clockwise
Cylinder
Bore 79.000–79.010 mm (3.1102–3.1106 in)
Taper limit 0.050 mm (0.0020 in)
Out of round limit 0.050 mm (0.0020 in)
Piston
Piston-to-cylinder clearance 0.020–0.045 mm (0.0008–0.0018 in)
Limit 0.12 mm (0.0047 in)
Diameter D 78.965–78.980 mm (3.1089–3.1094 in)
2-5
ENGINE SPECIFICATIONS
Height H 5.0 mm (0.20 in)
H
D
Offset 0.50 mm (0.0197 in)
Offset direction Intake side
Piston pin bore inside diameter 19.004–19.015 mm (0.7482–0.7486 in)
Limit 19.045 mm (0.7498 in)
Piston pin outside diameter 18.991–19.000 mm (0.7477–0.7480 in)
Limit 18.971 mm (0.7469 in)
Piston-pin-to-piston-pin-bore clearance 0.004–0.024 mm (0.00016–0.00094 in)
Piston ring
Top ring
Ring type Barrel
Dimensions (B × T) 1.00 × 2.80 mm (0.04 × 0.11 in)
B
T
End gap (installed) 0.35–0.45 mm (0.0138–0.0177 in)
Limit 0.70 mm (0.0276 in)
Ring side clearance 0.030–0.070 mm (0.0012–0.0028 in)
Limit 0.120 mm (0.0047 in)
2nd ring
Ring type Taper
Dimensions (B × T) 1.00 × 2.90 mm (0.04 × 0.11 in)
B
T
End gap (installed) 0.75–0.85 mm (0.0295–0.0335 in)
Limit 1.20 mm (0.0472 in)
Ring side clearance 0.020–0.060 mm (0.0008–0.0024 in)
Limit 0.120 mm (0.0047 in)
Oil ring
Dimensions (B × T) 2.00 × 2.50 mm (0.08 × 0.10 in)
B
T
End gap (installed) 0.20–0.60 mm (0.0079–0.0236 in)
Ring side clearance 0.060–0.150 mm (0.0024–0.0059 in)
2-6
ENGINE SPECIFICATIONS
Connecting rod
Oil clearance (using plastigauge®) 0.031–0.048 mm (0.0012–0.0019 in)
Bearing color code 1.Blue 2.Black 3.Brown 4.Green 5.Yellow 6.Pink
Small end inside diameter 19.005–19.018 mm (0.7482–0.7487 in)
Crankshaft
Width A 61.60–63.20 mm (2.425–2.488 in)
Width B 325.10–326.30 mm (12.80–12.85 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 (using plastigauge®) 0.027–0.045 mm (0.0011–0.0018 in)
Bearing color code 2.Black 3.Brown 4.Green 5.Yellow 6.Pink 7.Red
8.White
Balancer
Balancer drive method Gear
Clutch
Clutch type Wet, multiple-disc
Clutch release method Hydraulic inner push
Clutch lever free play FJR13A 1.9–20.7 mm (0.07–0.81 in)
Friction plate thickness 2.90–3.10 mm (0.114–0.122 in)
Wear limit 2.80 mm (0.1102 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 height 6.78 mm (0.27 in)
Minimum height 6.4 mm (0.25 in)
Spring quantity 1 pc
Push rod bending limit 0.370 mm (0.0146 in)
Clutch pressure plate stroke FJR13AE 2.8 mm (0.11 in) or more
Transmission
Transmission type Constant mesh 5-speed
Primary reduction system Spur gear
Primary reduction ratio 75/48 (1.563)
Secondary reduction system Shaft drive
Secondary reduction ratio 35/37 × 21/27 × 33/9 (2.698)
Operation FJR13A Left foot operation
FJR13AE Left foot and left hand operation
Gear ratio
1st 43/17 (2.529)
2-7
ENGINE SPECIFICATIONS
2nd 39/22 (1.773)
3rd 31/23 (1.348)
4th 28/26 (1.077)
5th 26/28 (0.929)
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)
Air filter
Air filter element Dry element
Fuel pump
Pump type Electrical
Model/manufacturer 5JW 21/DENSO
Maximum consumption amperage 6.0 A
Output pressure 324.0 kPa (47.0 psi) (3.24 kgf/cm²)
Fuel injector
Model/quantity INP-151/4
Manufacturer NIPPON INJECTOR
Throttle body
Type/quantity 42EHS/4
Manufacturer MIKUNI
ID mark 3P61 00 (USA)
3P65 10 (California)
Throttle position sensor
Resistance 4.0–6.0 kΩ
Output voltage (at idle) 0.63–0.73 V
Fuel injection sensor
Crankshaft position sensor resistance 421–569 Ω at 20 °C (68 °F)
Cylinder identification sensor output voltage (ON) More than 4.8 V
Cylinder identification sensor output voltage (OFF) Less than 0.6 V
Intake air pressure sensor output voltage 3.75–4.25 V
Coolant temperature sensor resistance 290–354 Ω at 80 °C (176 °F)
Idling condition
Engine idling speed 1000–1100 r/min
Intake vacuum 33.3 kPa (9.8 inHg) (250 mmHg)
Water temperature 100.0–105.0 °C (212.00–221.00 °F)
Oil temperature 80.0–90.0 °C (176.00–194.00 °F)
Throttle cable free play 3.0–5.0 mm (0.12–0.20 in)
Air induction system
Solenoid resistance 19–25 Ω at 20 °C (68 °F)
Shaft drive
Middle gear backlash 0.10–0.20 mm (0.0039–0.0079 in)
2-8
ENGINE SPECIFICATIONS
Ring-gear-to-stopper-bolt clearance 0.30–0.60 mm (0.0118–0.0236 in)
Ring-gear-to-thrust-washer clearance 0.10–0.20 mm (0.0039–0.0079 in)
Final gear backlash 0.22–0.45 mm (0.0087–0.0177 in)
2-9