Ignition coil

Rated voltage

12 V

Firing order

1−3−4−2

Spark plug

Type

NGK: IFR7G11KS

DENSO: SK22PR-M11S

Gap

1.0−1.1 mm (0.039−0.043 in.)

———

Ignition timing

At idle

Check the red mark

In neutral

8±2 ° BTDC

Drive belt

Tension

Auto-tensioner

Alternator

Output

At 13.5 V and normal engine temperature

105 A

Coil (rotor) resistance

At 20 °C (68 °F)

3.2−4.0 Ω

Slip ring O.D.

14.4 mm (0.57 in.)

14.0 mm (0.55 in.)

Brush length

10.5 mm (0.41 in.)

1.5 mm (0.06 in.)

Brush spring tension

3.2 N (0.33 kgf, 0.7 lbf)

Starter

Output

1.6 kW

Commutator mica depth

0.40−0.50 mm (0.016−0.020 in.)

0.15 mm (0.006 in.)

Commutator runout

0.02 mm (0.001 in.) max.

0.05 mm (0.002 in.)

Commutator O.D.

28.0−28.1 mm (1.10−1.11 in.)

27.5 mm (1.08 in.)

Brush length

11.1−11.5 mm (0.44−0.45 in.)

4.3 mm (0.17 in.)

Brush spring tension

13.7−17.7 N (1.40−1.80 kgf, 3.09−3.97 lbf)

Compression

Pressure

Check the engine with the starter cranking

Minimum

930 kPa (9.5 kgf/cm ² , 135 psi)

Maximum variation

200 kPa (2.0 kgf/cm ² , 28 psi)

Head

Warpage

———

0.05 mm (0.002 in.)

Height

103.95−104.05 mm (4.093−4.096 in.)

———

Camshaft

End play

0.05−0.20 mm (0.002−0.008 in.)

0.4 mm (0.02 in.)

Camshaft-to-holder oil clearance

No. 1 journal

0.030−0.069 mm (0.001−0.003 in.)

0.15 mm (0.006 in.)

No. 2, 3, 4, 5 journals

0.060−0.099 mm (0.002−0.004 in.)

0.15 mm (0.006 in.)

Total runout

0.03 mm (0.001 in.) max.

0.04 mm (0.002 in.)

Cam lobe height

Intake, primary

32.791 mm (1.2910 in.)

———

Intake, mid

35.534 mm (1.3990 in.)

———

Intake, secondary

32.678 mm (1.2865 in.)

———

Exhaust, primary

32.772 mm (1.2902 in.)

———

Exhaust, mid

34.768 mm (1.3688 in.)

———

Exhaust, secondary

32.661 mm (1.2859 in.)

———

Valve

Clearance (cold)

Intake

0.21−0.25 mm (0.008−0.010 in.)

———

Exhaust

0.25−0.29 mm (0.010−0.011 in.)

———

Stem O.D.

Intake

5.475−5.485 mm (0.2156−0.2159 in.)

5.445 mm (0.214 in.)

Exhaust

5.450−5.460 mm (0.2146−0.2150 in.)

5.420 mm (0.213 in.)

Stem-to-guide clearance

Intake

0.030−0.055 mm (0.0012−0.0022 in.)

0.08 mm (0.003 in.)

Exhaust

0.055−0.080 mm (0.0022−0.0031 in.)

0.11 mm (0.004 in.)

Valve seat

Width

Intake

1.25−1.55 mm (0.049−0.061 in.)

2.00 mm (0.079 in.)

Exhaust

1.25−1.55 mm (0.049−0.061 in.)

2.00 mm (0.079 in.)

Stem installed height

Intake

44.0−44.5 mm (1.73−1.75 in.)

44.7 mm (1.76 in.)

Exhaust

44.1−44.6 mm (1.74−1.76 in.)

44.8 mm (1.76 in.)

Valve spring

Free length

Intake

49.77 mm (1.9594 in.)

———

Exhaust

50.39 mm (1.9839 in.)

———

Valve guide

I.D.

Intake

5.515−5.530 mm (0.2171−0.2177 in.)

5.55 mm (0.219 in.)

Exhaust

5.515−5.530 mm (0.2171−0.2177 in.)

5.55 mm (0.219 in.)

Installed height

Intake

15.2−16.2 mm (0.598−0.638 in.)

———

Exhaust

15.5−16.5 mm (0.610−0.650 in.)

———

Rocker arm

Arm-to-shaft clearance

0.025−0.052 mm (0.0010−0.0020 in.)

0.08 mm (0.003 in.)

Block

Warpage of deck

0.07 mm (0.003 in.) max.

0.10 mm (0.004 in.)

Bore diameter

A or l

86.010−86.020 mm (3.3862−3.3866 in.)

86.070 mm (3.3886 in.)

B or II

86.000−86.010 mm (3.3858−3.3862 in.)

86.070 mm (3.3886 in.)

Bore taper

———

0.05 mm (0.002 in.)

Reboring limit

———

0.25 mm (0.01 in.)

Piston

Skirt O.D. at 11 mm (0.4 in.) from bottom of skirt

No letter or A

85.980−85.990 mm (3.3850−3.3854 in.)

85.930 mm (3.3831 in.)

Letter B

85.970−85.980 mm (3.3846−3.3850 in.)

85.920 mm (3.3827 in.)

Clearance in cylinder

0.020−0.040 mm (0.0008−0.0016 in.)

0.05 mm (0.002 in.)

Ring groove width

Top

1.220−1.230 mm (0.0481−0.0484 in.)

1.25 mm (0.049 in.)

Second

1.220−1.230 mm (0.0481−0.0484 in.)

1.25 mm (0.049 in.)

Oil

2.005−2.025 mm (0.0789−0.0797 in.)

2.05 mm (0.081 in.)

Piston ring

Ring-to-groove clearance

Top

0.045−0.070 mm (0.0018−0.0028 in.)

0.13 mm (0.005 in.)

Second

0.040−0.065 mm (0.0016−0.0026 in.)

0.13 mm (0.005 in.)

Ring end gap

Top

0.20−0.35 mm (0.008−0.014 in.)

0.60 mm (0.024 in.)

Second

0.50−0.65 mm (0.020−0.026 in.)

0.75 mm (0.030 in.)

Oil

0.20−0.70 mm (0.008−0.028 in.)

0.80 mm (0.031 in.)

Piston pin

O.D.

21.961−21.965 mm (0.8646−0.8648 in.)

21.953 mm (0.8643 in.)

Pin-to-piston clearance

−0.005 to +0.002 mm (−0.00020 to +0.00008 in.)

0.005 mm (0.0002 in.)

Connecting rod

Pin-to-rod clearance

0.005−0.015 mm (0.0002−0.0006 in.)

0.02 mm (0.0008 in.)

Small-end bore diameter

21.970−21.976 mm (0.8650−0.8652 in.)

———

Large-end bore diameter

51.0 mm (2.01 in.)

———

End play installed on crankshaft

0.15−0.30 mm (0.006−0.012 in.)

0.40 mm (0.016 in.)

Crankshaft

Main journal diameter

No. 1, 2, 4, 5 journals

54.984−55.008 mm (2.1648−2.1657 in.)

———

No. 3 journal

54.976−55.000 mm (2.1644−2.1654 in.)

———

Rod journal diameter

44.976−45.000 mm (1.7707−1.7717 in.)

———

Rod/main journal taper

0.005 mm (0.0002 in.) max.

0.010 mm (0.0004 in.)

Rod/main journal out-of-round

0.005 mm (0.0002 in.) max.

0.010 mm (0.0004 in.)

End play

0.10−0.35 mm (0.004−0.014 in.)

0.45 mm (0.018 in.)

Runout

0.03 mm (0.0012 in.) max.

0.04 mm (0.0016 in.)

Crankshaft bearing

Main bearing-to-journal oil clearance

No. 1, 2, 4, 5 journals

0.017−0.041 mm (0.0007−0.0016 in.)

0.050 mm (0.0020 in.)

No. 3 journal

0.025−0.049 mm (0.0010−0.0019 in.)

0.055 mm (0.0022 in.)

Rod bearing clearance

0.032−0.066 mm (0.0013−0.0026 in.)

0.077 mm (0.0030 in.)

Engine oil

Capacity

Engine overhaul

5.5 L (5.8 US qt, 4.8 Imp qt)

Oil change including filter

4.4 L (4.6 US qt, 3.9 Imp qt)

Oil change without filter

4.2 L (4.4 US qt, 3.7 Imp qt)

Oil pump

Inner-to-outer rotor clearance

0.06−0.16 mm (0.002−0.006 in.)

0.20 mm (0.008 in.)

Pump housing-to-outer rotor clearance

0.15−0.21 mm (0.006−0.008 in.)

0.23 mm (0.009 in.)

Pump housing-to-outer rotor axial clearance

0.035−0.070 mm (0.0014−0.0028 in.)

0.12 mm (0.005 in.)

Balancer shafts, journal diameter

No. 1 journal, front shaft

19.938−19.950 mm (0.7850−0.7854 in.)

19.92 mm (0.784 in.)

No. 1 journal, rear shaft

23.938−23.950 mm (0.9424−0.9429 in.)

23.92 mm (0.942 in.)

No. 2 journal, front and rear shaft

32.949−32.961 mm (1.2972−1.2977 in.)

32.93 mm (1.296 in.)

Balancer shafts, journal taper

0.005 mm (0.0002 in.) max.

———

Balancer shafts, end play

Front

0.063−0.108 mm (0.0025−0.0043 in.)

0.14 mm (0.0055 in.)

Rear

0.063−0.108 mm (0.0025−0.0043 in.)

0.14 mm (0.0055 in.)

Balancer shafts, shaft-to-bearing clearance

No. 1 journal, front shaft

0.050−0.082 mm (0.0020−0.0032 in.)

0.10 mm (0.004 in.)

No. 1 journal, rear shaft

0.050−0.082 mm (0.0020−0.0032 in.)

0.10 mm (0.004 in.)

No. 2 journal, front and rear shaft

0.060−0.120 mm (0.0024−0.0047 in.)

0.15 mm (0.006 in.)

Balancer shaft bearings, I.D.

No. 1 journal, front shaft

20.000−20.020 mm (0.7874−0.7882 in.)

20.03 mm (0.789 in.)

No. 1 journal, rear shaft

24.000−24.020 mm (0.9449−0.9457 in.)

24.03 mm (0.946 in.)

No. 2 journal, front and rear shaft

33.021−33.069 mm (1.3000−1.3019 in.)

33.09 mm (1.303 in.)

Relief valve, oil pressure with oil temperature at 80 °C (176 °F)

At idle

70 kPa (0.7 kgf/cm ² , 10 psi) min.

At 3,000 rpm (min ⁻¹ )

300 kPa (3.1 kgf/cm ² , 44 psi) min.

Radiator

Coolant capacities (including engine, heater, hoses, and reservoir)

Use genuine Honda All Season Antifreeze/Coolant Type 2

Engine overhaul

6.6 L (1.74 US gal, 1.45 Imp gal)

Coolant change

4.4 L (1.16 US gal, 0.97 Imp gal)

Coolant reservoir

Coolant capacity

0.5 L (0.13 US gal, 0.11 Imp gal)

Radiator cap

Opening pressure

93−123 kPa (0.95−1.25 kgf/cm ² , 14−18 psi)

Thermostat

Opening temperature

Begins to open

76−80 °C (169−176 °F)

Fully open

90 °C (194 °F)

Valve lift at fully open

8.0 mm (0.31 in.) min.

Fuel pressure regulator

Pressure with fuel pressure gauge connected

330−380 kPa (3.4−3.9 kgf/cm ² , 48−55 psi)

Fuel tank

Capacity

50 L (13.2 US gal, 11.0 Imp gal)

Engine idle

Idle speed without load

In neutral

750±50 rpm (min ⁻¹ )

Idle speed with high electrical load

(A/C switch ON, temperature set to Max Cool, blower fan on High, rear window defogger ON, and headlights on high beam)

In neutral

750±50 rpm (min ⁻¹ )

Idle CO

0.1 % max.

Clutch pedal

Height from floor

149 mm (5.87 in.)

———

Stroke

120−130 mm (4.72−5.12 in.)

———

Play

10−18 mm (0.39−0.71 in.)

———

Disengagement height from floor

67 mm (2.64 in.)

———

Flywheel

Runout on clutch mating surface

0.05 mm (0.002 in.) max.

0.15 mm (0.006 in.)

Clutch disc

Rivet head depth

1.65−2.25 mm (0.065−0.089 in.)

0.7 mm (0.03 in.)

Thickness

8.3−8.9 mm (0.33−0.35 in.)

6.0 mm (0.24 in.)

Pressure plate

Warpage

0.03 mm (0.001 in.) max.

0.15 mm (0.006 in.)

Height of diaphragm spring fingers

Measured with feeler gauge and special tool

0.6 mm (0.02 in.) max.

0.8 mm (0.03 in.)