Do not spin the bearing with compressed air because this will damage the bearing surfaces. 3 глава

A

 

				B
Measurement A				33.252 ~ 33.352 mm (1.3091 ~ 1.3131 in)	33.152 mm
										(1.3052 in)
Measurement B						24.956 ~ 25.056 mm (0.9825 ~ 0.9865 in)	24.856 mm
										(0.9786 in)
Camshaft runout limit	----	0.03 mm
										(0.0012 in)

Timing chain
Model/number of links		SCR-0409 SV/132	----
Tensioning system		Automatic	----

 

 

 

2 - 4

ENGINE SPECIFICATIONS

SPEC

Item

Standard

Limit

Valves, valve seats, valve guides

Valve clearance (cold)

Intake

0.15 ~ 0.20 mm (0.0059 ~ 0.0079 in)

----

Exhaust

0.25 ~ 0.30 mm (0.0098 ~ 0.0118 in)

----

Valve dimensions

B

C

A

D

Head Diameter

Face Width

Seat Width

Margin Thickness

Valve head diameter A

Intake

24.9 ~ 25.1 mm (0.9803 ~ 0.9882 in)

----

Exhaust

21.9 ~ 22.1 mm (0.8622 ~ 0.8701 in)

----

Valve face width B

Intake

1.14 ~ 1.98 mm (0.0449 ~ 0.0780 in)

----

Exhaust

1.14 ~ 1.98 mm (0.0449 ~ 0.0780 in)

----

Valve seat width C

Intake

0.9 ~ 1.1 mm (0.0354 ~ 0.0433 in)

1.6 mm

(0.06 in)

Exhaust

0.9 ~ 1.1 mm (0.0354 ~ 0.0433 in)

1.6 mm

(0.06 in)

Valve margin thickness D

Intake

0.6 ~ 0.8 mm (0.0236 ~ 0.0315 in)

0.5 mm

(0.0197 in)

Exhaust

0.6 ~ 0.8 mm (0.0236 ~ 0.0315 in)

0.5 mm

(0.0197 in)

Valve stem diameter

Intake

3.975 ~ 3.990 mm (0.1565 ~ 0.1571 in)

3.945 mm

(0.1553 in)

Exhaust

3.960 ~ 3.975 mm (0.1559 ~ 0.1565 in)

3.930 mm

(0.1547 in)

Valve guide inside diameter

Intake

4.000 ~ 4.012 mm (0.1575 ~ 0.1580 in)

4.050 mm

(0.1594 in)

Exhaust

4.000 ~ 4.012 mm (0.1575 ~ 0.1580 in)

4.050 mm

(0.1594 in)

Valve-stem-to-valve-guide clearance

Intake

0.010 ~ 0.037 mm (0.0004 ~ 0.0015 in)

0.080 mm

(0.0032 in)

Exhaust

0.025 ~ 0.052 mm (0.0010 ~ 0.0020 in)

0.100 mm

(0.0039 in)

 

2 - 5

ENGINE SPECIFICATIONS

SPEC

Item

Standard

Limit

Valve stem runout

----

0.04 mm

(0.0016 in)

Valve seat width
Intake	0.9 ~ 1.1 mm (0.0354 ~ 0.0433 in)	1.6 mm
		(0.06 in)
Exhaust	0.9 ~ 1.1 mm (0.0354 ~ 0.0433 in)	1.6 mm
		(0.06 in)
Valve springs
Free length
Intake	35.59 mm (1.40 in)	33.81 mm
		(1.33 in)
Exhaust	35.59 mm (1.40 in)	33.81 mm
		(1.33 in)
Installed length (valve closed)
Intake	30.39 mm (1.20 in)	----
Exhaust	30.39 mm (1.20 in)	----
Spring rate (K1)
Intake	18.84 N/mm (1.92 kg/mm, 107.60 lb/in)	----
Exhaust	18.84 N/mm (1.92 kg/mm, 107.60 lb/in)	----
Spring rate (K2)
Intake	24.52 N/mm (2.50 kg/mm, 140.01 lb/in)	----
Exhaust	24.52 N/mm (2.50 kg/mm, 140.01 lb/in)	----
Compressed spring force (installed)
Intake	91.2 ~ 104.9 N at 30.4 mm	----
	(9.3 ~ 10.7 kg at 30.4 mm,
	20.5 ~ 23.6 lb at 1.20 in)
Exhaust	91.2 ~ 104.9 N at 30.4 mm	----
	(9.3 ~ 10.7 kg at 30.4 mm,
	20.5 ~ 23.6 lb at 1.20 in)
Spring tilt

 

 

Intake (inner)	----	2.5°/1.6 mm
		(2.5°/0.06 in)
Exhaust	----	2.5°/1.6 mm
		(2.5°/0.06 in)

 

 

 

2 - 6

	ENGINE SPECIFICATIONS		SPEC
Item	Standard			Limit
Winding direction (top view)
Intake	Clockwise	----
Exhaust	Clockwise	----

 

Valve lifter
Valve lifter outside diameter
Intake	24.476 ~ 24.500 mm (0.9636 ~ 0.9646 in)	24.451 mm
			(0.9626 in)
Exhaust	24.476 ~ 24.500 mm (0.9636 ~ 0.9646 in)	24.451 mm
			(0.9626 in)
Cylinders
Bore	66.00 ~ 66.01 mm (2.5984 ~ 2.5988 in)	66.10 mm
			(2.6024 in)
Maximum taper	----	0.05 mm
			(0.0020 in)
Maximum out-of-round	----	0.05 mm
			(0.0020 in)
Pistons
Piston-to-cylinder clearance	0.020 ~ 0.045 mm (0.0008 ~ 0.0018 in)	0.15 mm
			(0.0059 in)
Diameter “D”	65.965 ~ 65.980 mm (2.5970 ~ 2.5976 in)	----

 

 

H
D
Height “H”	9.0 mm (0.35 in)	----
Piston pin bore (in the piston)
Diameter	15.002 ~ 15.013 mm (0.5906 ~ 0.5911 in)	15.043 mm
		(0.5922 in)
Offset	0.50 mm (0.0197 in)	----
Offset direction	Intake side	----
Piston pin
Outside diameter	14.991 ~ 15.000 mm (0.5902 ~ 0.5906 in)	14.971 mm
		(0.5894 in)
Piston-pin-to-piston-pin-bore clear-	0.002 ~ 0.022 mm	0.072 mm
ance	(0.00008 ~ 0.00087 in)	(0.0028 in)

 

 

2 - 7

ENGINE SPECIFICATIONS ^SPEC

 

Item

Standard

Limit

Piston rings

Top ring

B

T

Ring type

Barrel

----

Dimensions (B Ч T)

0.80 Ч 2.45 mm (0.03 Ч 0.10 in)

----

End gap (installed)

0.15 ~ 0.25 mm (0.0059 ~ 0.0098 in)

0.50 mm

(0.0197 in)

Ring side clearance

0.030 ~ 0.065 mm (0.0012 ~ 0.0026 in)

0.10 mm

(0.0039 in)

2nd ring

B

T

Ring type

Taper

----

Dimensions (B Ч T)

0.80 Ч 2.50 mm (0.03 Ч 0.10 in)

----

End gap (installed)

0.40 ~ 0.50 mm (0.0157 ~ 0.0197 in)

0.75 mm

(0.0295 in)

Ring side clearance

0.020 ~ 0.055 mm (0.0008 ~ 0.0022 in)

0.10 mm

(0.0039 in)

Oil ring

B

T

Dimensions (B Ч T)

1.50 Ч 2.00 mm (0.06 Ч 0.08 in)

----

End gap (installed)

0.10 ~ 0.35 mm (0.0039 ~ 0.0138 in)

----

Ring side clearance

0.040 ~ 0.160 mm (0.0016 ~ 0.0063 in)

----

Connecting rods

Oil clearance (using plastigauge®)

0.026 ~ 0.050 mm (0.0010 ~ 0.0020 in)

----

Bearing color code

1.Blue 2.Black 3.Brown 4.Green

----

Small end inside diameter

15.005 ~ 15.018 mm (0.5907 ~ 0.5913 in)

----

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