1987 MAZDA 626 engine
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30 TECHNICAL DATA
Engine model FE 8-valve
Item ECE Middle East General
F8 F6
Valve seat
Seat angle IN 45° Seat angle EX 45°
Seat contact width mm (in) IN 1.2—1.6 (0.047-0.063) Seat contact width mm (in) EX 1.2-1.6 (0.047-0.063)
Seat sinking (Measure valve protruding length)
mm (in)
IN Standard 46.5 (1.831) Seat sinking (Measure valve protruding length)
mm (in)
IN Maximum 48.0 (1.890) Seat sinking (Measure valve protruding length)
mm (in) EX Standard 46.5 (1.831)
Seat sinking (Measure valve protruding length)
mm (in) EX Maximum 48.0 (1.890)
Valve spring
Free length mm (in)
Outer
Inner
Standard
Minimum
51.5(2.028)
Standard
44.0 (1.732)
Minimum
43.3 (1.705)
51.2 (2.016)
52.0 (2.047)
50.6 (1.992)
51.5 (2.028)
45.7 (1.799)
44.0 (1.732)
437 (1.720)1
43.3 (1.705)
Out-of-square mm (in) Maximum 1.8 (0.071)
Setting load/height
N
(kg, lb)/mm
(in)
Outer
128(13.1,29) 136.5
(1
44)
Inner
189 (19,2, 42) 141 (1.61)
124 (12.7, 28) 136.5
(1
44)
193 (19.6,43) 141 (1.61)
128 (13.1, 29)/36.5 (1.44)
189 (19.2, 42)/41 (1.61)
Camshaft
Cam lobe height
mm (in)
IN
EX
Standard
Minimum
Standard
Minimum
38.107-38.207 (1.5003-1.5042)
37.957 (1.4944)
38.110-38.210 (1.5004-1.5043)
37.960 (1.4945)
Journal diameter
mm (in)
Front and Rear (No.
1,5)
31.940-32.035 (1.2575-1.2612)
Center (No. 2,3,4)
Out-of-round Maximum
31.910-32.065 (1.2563-1.2624)
0.05 (0.002)
Camshaft bearing
oil
clearance
mm (in)
Front and Rear (No.
1,5)
0.035-0.085 (0.0014-0.00331
Center (No. 2,3,4) 0.065-0.115 (0.0026—0.0045)
Maximum 0.15 (0.0059)
Camshaft runout mm (in) Maximum 0.03 (0.00121
Camshaft end play mm (in) Standard 0.08—0.16 (0.003—0.006)
Maximum 0.20 (0.008)
Rocker arm and rocker arm shaft
Rocker arm inner diameter mm (in) 16.000-16.027 (0.6299-0.6310)
Rocker arm shaft diameter mm (in) 15.966-15.984 (0.6286-0.6293)
Rocker arm
to
shaft clearance
mm (in)
Standard 0.016—0.061 (0.0006-0.0024)
Maximum 0.10 (0.004)
Cylinder block
Heiaht mm
fin)
289.0 (11.38) 268.5 (10.57)
Distortion mm (in) Maximum 0.15 (0.006)
Grindina limit mm (in)
0.20 (0.008)
Cylinder bore diameter
mm (in)
Standard 86.000—86.019 (3.3858—3.3866)
0.25 (0.010) oversize 86.250-86.269 (3.3957-3.3964)
0.50 (0.020) oversize 86.500-86.519 (3.4055-3.4062)
0.75 (0.030) oversize
1.00 (0.039) oversize
81.000-
(3.1890-
-81.019 -3.1897)
81.250-(3.1988-
-81.269
-3.1996) 81.500-(3.2087-
-81.519 -3.2094)
81.750-(3.2185-
-81.769
-3.2192)
82.000-
(3.2283-
-82.019
-3.2291)
Cylinder bore taper and out-of-round mm (in) Maximum 0.019 (0.0007)
Piston
Piston diameter measured at 90°
to pin
bore axis and 18.0
mm
(0.709
in)
below
oil
ring groove
mm (in)
Standard 85.944-85.964 (3.3836—3.3844) 80.944-80.964
(3.1868—3.1876) Piston diameter measured at 90°
to pin
bore axis and 18.0
mm
(0.709
in)
below
oil
ring groove
mm (in)
0.25 (0.010) oversize 86.194—86.214 (3.3935—3.3942) 81.194—81.214
(3.1966-3.1974)
Piston diameter measured at 90°
to pin
bore axis and 18.0
mm
(0.709
in)
below
oil
ring groove
mm (in) 0.50 (0.020) oversize 86.444-86.464 (3.4033-3.4041) 81.444-81.464
(3.2065-3.2072)
30—6
Page 1821 of 1865
TECHNICAL DATA 30
—Engine model
Item -
FE 8-valve
F8 F6
—Engine model
Item -
ECE Middle East General
F8 F6
0.75 (0.030) oversize
—
81.694—81.714
(3.2163-3.2171)
1.00 (0.039) oversize
—
81.944—81.964 (3.2261-3.2269)
Piston and cylinder clearance
mm
(in) Standard 0.036-0.075 (0.0014—0.0030) Piston and cylinder clearance
mm
(in) Maximum 0.15 (0.0059)
Piston ring
Thickness
mm
(in) Top 1.47-1.49 (0.0579-0.0587) Thickness
mm
(in) Second 1.47-1.49 (0.0579—0.0587)
End gap measured
in
cylinder
mm (in)
Top 0.20—0.35 (0.008—0.0138)
End gap measured
in
cylinder
mm (in)
Second 0.15-0.30 (0.006-0.012) End gap measured
in
cylinder
mm (in)
Oil (rail) 0.20—0.70 (0.008—0.0276) End gap measured
in
cylinder
mm (in)
Maximum 1.0 (0.039)
Ring groove width
in
piston
mm
(in)
Top 1.52—1.54 (0.0598-0.0606)
Ring groove width
in
piston
mm
(in) Second 1.52-1.54 (0.0598-0.0606) Ring groove width
in
piston
mm
(in)
Oil 4.02-4.04 (0.1583-0.1591)
Clearance
of
piston ring
to
ring
groove
mm
(in)
Top 0.03-0.07 (0.0012-0.0028) Clearance
of
piston ring
to
ring
groove
mm
(in) Second 0.03-0.07 (0.0012-0.0028) Clearance
of
piston ring
to
ring
groove
mm
(in) Maximum 0.15 (0.006)
Piston pin
Diameter
mm
(in) 21.974—21.980 (0.8651—0.8654)
Interference
in
connecting
rod mm
(in) 0.013—0.037 (0.0005—0.0015)
Piston
to
piston pin clearance
mm
(in) 0.008—0.024 (0.0003-0.0009)
Installation pressure
N
(kg,
lb)
4,900—14,700 (500—1,500, 1,100—3,300)
Connecting rod and connecting rod bearing
Length (Center
to
center)
mm
(in) 151.95-152.05 (5.982-5.986) 135.95—136.05
(5.352-5.356)
Twisting and bending
mm
(in) 0.06 (0.0024) max.
Small end bore
mm
(in) 21.943-21.961 (0.8640-0.8646)
Big end bore
mm
(in) 54.002-54.017 (2.1261—2.1266)
Bia end width
mm
(in) 26.838-26.890 (1.0566—1.0587)
Connecting rod side clearance
mm
(in) Standard 0.110-0.262 (0.004—0.010) Connecting rod side clearance
mm
(in) Maximum 0.30 (0.012)
Crankshaft
Crankshaft runout mm (in)
I
Maximum 0.03 (0.0012)
Main journal diameter
mm (in)
Standard size 59.937-59.955 (2.3597—2.3604)
Main journal diameter
mm (in)
0.25 (0.010) undersize
Standard 59.693—59.711 (2.3051—2.3508)
Main journal diameter
mm (in)
0.25 (0.010) undersize No.
3
59.687—59.705 (2.3499-2.3506) Main journal diameter
mm (in) 0.50 (0.020) undersize
No. 1,2,4,5 59.443-59.461 (2.3403—2.3410) Main journal diameter
mm (in) 0.50 (0.020) undersize No.
3
59.437-59.455 (2.3400—2.3407)
Main journal diameter
mm (in)
0.75 (0.030)
undersize
No. 1,2,4,5 59.193-59.211 (2.3304—2.3311)
Main journal diameter
mm (in)
0.75 (0.030)
undersize No.
3
59.187—59.205 (2.3302—2.3309)
Main journal taper and out-of-round mm (in) Maximum 0.05 (0.0020)
Crankpin diameter mm (in)
Standard 50.940-50.955 (2.0055-2.0061)
Crankpin diameter mm (in)
0.25 (0.010) undersize 50.690-50.705 (1.9957-1.9963) Crankpin diameter mm (in) 0.50 (0.020) undersize 50.440-50.455 (1.9858-1.9864) Crankpin diameter mm (in)
0.75 (0.030) undersize 50.190—50.205 (1.9760-1.9766)
Crankpin taper and out-of-round
mm
(in) Maximum 0.05 (0.0020)
Main bearlna
Main journal bearing
oil
clearance
mm
(in)
No. 1,2,4,5 Standard 0.025-0.043 (0.0010-0.0017)
Main journal bearing
oil
clearance
mm
(in)
No. 1,2,4,5 Maximum 0.08 (0.0031) Main journal bearing
oil
clearance
mm
(in) No.
3
Standard 0.031—0.049 (0.0012—0.0019)
Main journal bearing
oil
clearance
mm
(in) No.
3
Maximum 0.08 (0.0031)
Available undersize bearina
mm
(in) 0.25 (0.010), 0.50 (0.020), 0.75 (0.030)
Crankpin bearing
Crankpin bearing
oil
clearance
mm
(in) Standard 0.027-0.067(0.0011 -0.0026) Crankpin bearing
oil
clearance
mm
(in) Maximum 0.10 (0.0039)
Available undersize bearing
mm
(in) 0.25 (0.010), 0.50 (0.020), 0.75 (0.030)
30-7
Page 1822 of 1865
30 TECHNICAL DATA
~ ——Engine model
Item —
FE 8-valve
F8 F6
~ ——Engine model
Item —
Middle ECE East General
F8 F6
Thrust bearing (center main bearing)
Crankshaft end play
mm
(in) Standard 0.08-0.18 (0.0031-0.0071) Crankshaft end play
mm
(in) Maximum 0.30 (0.0118)
Bearing width
mm (in)
Standard 27.94-27.99 (1.100-1.102)
Bearing width
mm (in)
0.25 (0.010) oversize 28.04—28.09 (1.104-1.106) Bearing width
mm (in)
0.05 (0.020) oversize 28.12-28.17 (1.107-1.109) Bearing width
mm (in)
0.75 (0.030) oversize 28.20—28.25 (1.110—1.112)
Timing belt
Belt deflection
mm
(in)/98
N
(10 kg,
22 lb)
|5.5—6.5 (0.22-0 26) 4.0-5.0 (0.16-0.20)
1B. ENGINE (DOHC)
— Engine model FE DOHC
Item ~ Leaded fuel Unleaded fuel
Type Gasoline, 4-cycle
Cylinder arrangement and number In-line, 4-cylinders
Type
of
combustion chamber Pentroof
Valve system OHC. belt-driven
Bore
x
Stroke mm (in) 86.0
x
86.0 (3.39
x
3.39)
Total piston displacement cc (cu
in)
1,998 (121.9)
Compression ratio 10.0
: 1
9.2
: 1
Standard 1,422 (14.5, 206)—290 1,373 (14.0, 199)—310
Compression pressure Minimum 996 (10.2, 144)—290 961 (9.8, 139)—310
kPa (kg/cm2, psi)-rpm Maximum difference
between cylinders 196 (2.0, 28)
IN Open BTDC 10° 10°
Valve timing
IN Close ABDC 60° 55° Valve timing
EX Open BBDC 60° 55° EX Close ATDC 10° 10°
Valve clearance mm (in) IN 0; Maintenance free Valve clearance mm (in) EX 0; Maintenance free
Cylinder head
Heiaht mm (in) 133.95-134.05 (5.274-5.278)
Distortion mm (in) Maximum 0.15 (0.006)
Grinding mm (in) Maximum 0.20 (0.008)
HLA
to
cylinder head clearance mm (in) Standard 0.025-0.066 (0.0010-0.0026) HLA
to
cylinder head clearance mm (in) Maximum 0.18 (0.0071)
Valve and valve guide
Valve head diameter mm (in) IN 33.6-33.8 (1.323-1.331) Valve head diameter mm (in) EX 28.8-29.0 (1.134—1.142)
Valve head thickness (margin)
mm
(in) IN 1.0-1.7 (0.039-0.067) Valve head thickness (margin)
mm
(in) EX 1.1—1.7 (0.043—0.067)
Valve face angle IN 45° Valve face angle EX 45°
IN Standard 103.18 (4.0622)
Valve length
mm (in)
IN Minimum 102.68 (4.0425) Valve length
mm (in)
EX Standard 103.94 (4.0921) EX Minimum 103.44 (4.0724)
Valve stem diameter mm (in) IN 5.970-5.985 (0.2350-0.2356) Valve stem diameter mm (in) EX 5.965-5.980 (0.2348—0.2354)
Guide inner diameter mm (in) IN 6.01-6.03 (0.2366-0.2374) Guide inner diameter mm (in) EX 6.01—6.03 (0.2366-0.2374)
IN 0.025-0.060 (0.0010-0.0024)
Valve stem
to
guide clearance mm (in) EX 0.030-0.065 (0.0012-0.0026)
Maximum 0.20 (0.0079)
| Guide projection (Height "A") mm (in) 11.4-11.9 (0.449-0.469)
30-8
Page 1823 of 1865
TECHNICAL DATA 30
——Engine model
Item -
FE DOHC ——Engine model
Item -Leaded fuel Unleaded fuel
Valve seat
Seat angle IN 45° Seat angle EX 45°
Seat contact width
mm
(in) IN 1.2-1.6 (0.047-0.063) Seat contact width
mm
(in) EX 1.2-1.6 (0.047-0.063)
Seat sinking (Measure valve protruding length) mm (in)
IN Standard 36.8 (1.449) Seat sinking (Measure valve protruding length) mm (in)
IN Maximum 37.8 (1.488) Seat sinking (Measure valve protruding length) mm (in) EX Standard 36.8 (1.449)
Seat sinking (Measure valve protruding length) mm (in) EX Maximum 37.8 (1.488)
Valve spring
Free length mm (in)
Outer Standard 39.1 (1.539)
Free length mm (in)
Outer Minimum 38.7 (1.524) Free length mm (in)
Inner Standard 38.0 (1.496) Free length mm (in)
Inner Minimum 37.7 (1.484)
Out-of-square
mm
(in) Maximum Outer 1.4 (0.055), Inner 1.3 (0.051)
Setting load/height
N
(kg, lb)/mm
(in)
Outer 78 (8.0, 17.6)/31.5 (1.240) Setting load/height
N
(kg, lb)/mm
(in)
Inner 123 (12.5, 27.5)/33.0 (1.299)
Camshaft
Cam lobe height
mm (in)
IN Standard 45.005-45.105 (1.772-1.776) 45.002-45 102 (1.772-1.776)
Cam lobe height
mm (in)
IN Minimum 44.855 (1.7659) 44.852 (1.7658) Cam lobe height
mm (in)
EX Standard 45.005—.45.105 (1.772-1.776) 45.002-45.102 (1.772-1.776) Cam lobe height
mm (in)
EX Minimum 44.855 (1.7659) 44.852 (1.7658)
Journal diameter
mm
(in) 29.940-29.965 (1.1787-1.1797) Journal diameter
mm
(in) Out-of-round
|
Maximum 0.05 (0.002)
Camshaft bearing
oil
clearance mm (in) 0.035-0.085 (0.0014-0.0033) Camshaft bearing
oil
clearance mm (in) Maximum 0.15 (0.0059)
Camshaft runout
mm (in)
Maximum 0.03 (0.0012)
Camshaft end play
mm
(in) Standard 0.08-0.10 (0.003-0.004) Camshaft end play
mm
(in) Maximum 0.20 (0.008)
Cylinder block
Height
mm
(in) 289.0 (11.38)
Distortion
mm
(in) Maximum 0.15 (0.006)
Grindino limit
mm
fin) 0.20 (0.008)
Cylinder bore diameter mm (in)
Standard 86.000—86.019 (3.3858-3.3866) Cylinder bore diameter mm (in) 0.25 (0.010) oversize 86.250—86.269 (3.3957—3.3964) Cylinder bore diameter mm (in) 0.50 (0.020) oversize 86.500-86.519 (3.4055-3.4062)
Cylinder bore taper and out-of-round mm (in) Maximum 0.019 (0.0007)
Piston
Piston diameter measured at 90°
to pin
bore axis and 18.0
mm
(0.709
in)
below oil ring groove
mm (in)
Standard 85.944-85.964 (3.3836-3.3834) Piston diameter measured at 90°
to pin
bore axis and 18.0
mm
(0.709
in)
below oil ring groove
mm (in)
0.25 (0.010) oversize 86.194-86.214 (3.3935-3.3942)
Piston diameter measured at 90°
to pin
bore axis and 18.0
mm
(0.709
in)
below oil ring groove
mm (in) 0.50 (0.020) oversize 86.444-86.464 (3.4033-3.4041)
Piston
to
cylinder clearance
mm
(in) Standard 0.036-0.075 (0.0014-0.0030) Piston
to
cylinder clearance
mm
(in) Maximum 0.15 (0.0059)
Piston ring
Thickness mm (in)
TOD
1.47-1.49 (0.0579-0.0587) Thickness mm (in) Second 1.47-1.49 (0.0579-0.0587)
30-9
Page 1824 of 1865
30 TECHNICAL DATA
~ ———Engine model
Item ~ . _
FE DOHC ~ ———Engine model
Item ~ . _ Leaded fuel Unleaded fuel
End gap measured
in
cylinder
mm
(in)
Top 0.20-0.35 (0.008-0.0138)
End gap measured
in
cylinder
mm
(in) Second 0.15-0.30 (0.006-0.012) End gap measured
in
cylinder
mm
(in) Oil (rail) 0.20-0.70 (0.008-0.0276) End gap measured
in
cylinder
mm
(in)
Maximum 1.0 (0.039)
Ring groove width
in
piston
mm (in)
Top 1.52-1.54 (0.0598—0.0606)
Ring groove width
in
piston
mm (in)
Second 1.52-1.54 (0.0598-0.0606) Ring groove width
in
piston
mm (in)
Oil 4.02-4.04 (0.1583—0.1591)
Clearance
of
piston ring
to
ring
groove
mm
(in)
Top 0.03-0.07 (0.0012-0.0028) Clearance
of
piston ring
to
ring
groove
mm
(in) Second 0.03-0.07 (0.0012-0.0028) Clearance
of
piston ring
to
ring
groove
mm
(in) Maximum 0.15 (0.006)
Piston pin
Diameter
mm (in)
21.987-21.993 (0.8656-0.8659)
Connecting rod
to
piston pin clearance
mm (in)
0.010-0.027 (0.0004-0.0011)
Piston
to
piston pin clearance
mm
(in) -0.005-0.011 (-0.0002-0.0004)
Connecting rod and connecting rod bearing
Length (Center and center)
mm (in)
149.95—150.05 (5.904-5.907)
Twisting and bending
mm
(in) 0.06 (0.0024) max.
Small end bore
mm (in)
22.003-22.014 (0.8663-0.8667)
Big end bore
mm (in)
54.002-54.017 (2.1261-2.1266)
Big end width
mm
(in) 26.838-26.890 (1.0566-1.0587)
Connecting rod side clearance
mm
(in) Standard 0.110-0.262 (0.004-0.010) Connecting rod side clearance
mm
(in) Maximum 0.30 (0.012)
Crankshaft
Crankshaft runout
mm (in)
Maximum 0.03 (0.0012)
Main journal diameter mm (in)
Standard size 59.937-59.955 (2.3597-2.3604)
Main journal diameter mm (in)
0.25 (0.010)
undersize
Standard 59.693—59.711 (2.3051-2.3508)
Main journal diameter mm (in)
0.25 (0.010)
undersize No.
3
59.687-59.705 (2.3499-2.35061 Main journal diameter mm (in) 0.50 (0.020)
undersize
No. 1,2,4,5 59.443-59.461 (2.3403-2.3410) Main journal diameter mm (in) 0.50 (0.020)
undersize No.
3
59.437-59.455 (2.3400-2.3407)
Main journal diameter mm (in)
0.75 (0.030)
undersize
No. 1,2,4,5 59.193-59.211 (2.3304-2.3311)
Main journal diameter mm (in)
0.75 (0.030)
undersize No.
3
59.187-59.205 (2.3302-2.3309)
Main journal taper and out-of-round mm (in) Maximum 0.05 (0.0020)
Crankpin diameter
mm
(in)
Standard 50.940-50.955 (2.0055-2.0061)
Crankpin diameter
mm
(in) 0.25 (0.010) undersize 50.690-50.705 (1.9957-1.9963) Crankpin diameter
mm
(in) 0.50 (0.020) undersize 50.440-50.455 (1.9858-1.9864) Crankpin diameter
mm
(in)
0.75 (0.030) undersize 50.190-50.205 (1.9760-1.9766)
Crankpin taper and out-of-round
mm
(in) Maximum 0.05 (0.0020)
Main bearing
Main journal bearing
oil
clearance
mm
(in)
No. 1,2,4,5 Standard 0.025-0.043 (0.0010-0.0017)
Main journal bearing
oil
clearance
mm
(in)
No. 1,2,4,5 Maximum 0.08 (0.0031) Main journal bearing
oil
clearance
mm
(in) No.
3
Standard 0.031-0.049 (0.0012-0.0019)
Main journal bearing
oil
clearance
mm
(in) No.
3
Maximum 0.08 (0.0031)
Available undersize bearing
mm
(in) 0.25 (0.010), 0.50 (0.020), 0.75 (0.030)
Crankpin bearing
Crankpin bearing
oil
clearance
mm
(in) Standard 0.027-0.067 (0.0011-0.0026) Crankpin bearing
oil
clearance
mm
(in) Maximum 0.10 (0.0039)
Available undersize bearina
mm
(in) 0.25 (0.010), 0.50 (0.020), 0.75 (0.030)
Thrust bearing (center main bearing)
Crankshaft end play
mm
(in) Standard 0.08-0.18 (0.0031-0.0071) Crankshaft end play
mm
(in) Maximum 0.30 (0.0118)
Bearing width
mm
(in)
Standard 27.94-27.99 (1.100-1.102)
Bearing width
mm
(in) 0.25 (0.010) oversize 28.04—28.09 (1.104-1.106) Bearing width
mm
(in) 0.50 (0.020) oversize 28.12—28.17 (1.107-1.109) Bearing width
mm
(in)
0.75 (0.030) oversize 28.20-28.25 (1.110-1.112)
Timing belt
Belt deflection
mm
(in)/98
N
(10 kg,
22 lb)
7.5-8.5 (0.30-0.33)
30—10
Page 1825 of 1865
TECHNICAL DATA 30
1C. ENGINE (DIESEL)
— _____ Engine model Item . RF-CX RF-N
Type Diesel, 4-cycle
Cylinder arrangement and number In-line, 4-cylinders
Type
of
combustion chamber Swirl chamber
Valve system OHC, belt-driven
Bore
x
Stroke
mm (in)
86.0
x
86.0 (3.39
x
3.39)
Total piston displacement
cc
(cu
in)
1,998 (121.9)
Compression ratio 21.1
: 1 |
22.7
: 1
Compression pressure
kPa (kg/cm2, psi)-rpm
Standard 2,943 (30, 427)-200
Compression pressure
kPa (kg/cm2, psi)-rpm Minimum 2,649 (27, 384)-200 Compression pressure
kPa (kg/cm2, psi)-rpm Maximum difference
between cylinders 294 (3.0,
43)
Valve timing
IN Open BTDC 13° 13°
Valve timing
IN Close ABDC 15° 39° Valve timing
EX Open BBDC 60° 60° Valve timing
EX Close ATDC 8° 8°
Valve clearance
mm
(in) IN Cold: 0.25 (0.010), Warm: 0.30 (0.012) Valve clearance
mm
(in) EX Cold: 0.35 (0.014), Warm: 0.40 (0.016)
Cylinder head
Height mm (in) 133.9-134.1 (5.272-5.280)
Distortion mm (in) 0.10 (0.004) max.
Length
of
cylinder head bolt beiow head
mm
(in)
Standard 113.2—113.8 (4.457—4.480) Length
of
cylinder head bolt beiow head
mm
(in) Maximum 114.5 (4.508)
Combustion chamber insert
Recession
mm
(in) 0.020 (0.0008)
Projection
mm
(in) 0.005 (0.0001)
Valve and valve guide
Valve head diameter
mm
(in) IN 39.3-39.5 (1.547—1.555) 40.9-41.1 (1.610—1.618) Valve head diameter
mm
(in) EX 35.0-35.2 (1.378-1.386) 35.9-36.1 (1.413—1.421)
Valve head thickness (margin)
mm
(in) IN 1.80 (0.071) 0.80 (0.031) Valve head thickness (margin)
mm
(in) EX 1.65 (0.065) 0.80 (0.031)
Valve face angle IN 60° 45° Valve face angle EX 45°
Valve length mm (in) IN 106.9(4.209) Valve length mm (in) EX 106.8 (4.205)
Valve stem diameter
mm
(in) IN 7.970-7.985 (0.3138—0.3144) Valve stem diameter
mm
(in) EX 7.965-7.980 (0.3136-0.3142)
Guide inner diameter mm (in) IN 8.025-8.045 (0.3159—0.3167) Guide inner diameter mm (in) EX 8.025-8.045 (0.3159—0.3167)
Valve stem
to
guide clearance
mm (in)
IN 0.040-0.075 (0.0016-0.0030)
Valve stem
to
guide clearance
mm (in)
EX 0.045—0.080 (0.0018-0.0031) Valve stem
to
guide clearance
mm (in)
Maximum 0.1 (0.004)
Guide projection (Height "A")
mm
(in) 8.3-8.8 (0.327-0.346)
Valve seat
Seat angle IN 60° 45° Seat angle EX 45°
Seat contact width
mm
(in) IN 1.4-1.8 (0.055—0.071) 1.7-2.3 (0.067-0.091) Seat contact width
mm
(in) EX 1.64-2.04 (0.065-0.080) 1.7-2.3 (0.067-0.091)
Seat sinking (Measure valve recession)
mm
(in)
IN Standard 0.75-1.05 (0.030-0.041)
Seat sinking (Measure valve recession)
mm
(in)
IN Maximum 2.55 (0.100) Seat sinking (Measure valve recession)
mm
(in) EX Standard 0.75—1.05 (0.030-0.041) Seat sinking (Measure valve recession)
mm
(in) EX Maximum 2.55 (0.100)
Valve spring
Free length
mm
(in) Standard 45.11 (1.776) Free length
mm
(in) Minimum 44.8 (1.764)
30-11
Page 1826 of 1865
30 TECHNICAL DATA
—— Engine model Item RF-CX RF-N
0..t cy sui.aro
mm
(in) 1.6 (0.063)/2° max.
Setting load/height
N
(kg. Ib)/mm (in) 275 (28.0, 62)/39.0 (1.535)
Tappet
Tappet outer diameter
mm
(in) 34.95-34.97 (1.3764-1.3768)
Tappet hole diameter
mm
(in) 34.99-35.01 (1.3776-1.3787)
Tappet
to
tappet hole
,. ,
clearance
mm (in)
Standard 0.02-0.06 (0.0008-0.0024) Tappet
to
tappet hole
,. ,
clearance
mm (in)
Maximum 0.10 (0.004)
Camshaft and camshaft caps
Cam lobe height
mm (in)
IN Standard 42.521 (1.6741) 44.306 (1.7443)
Cam lobe height
mm (in)
IN Minimum 42.11 (1.658) 43.90 (1.728) Cam lobe height
mm (in)
EX Standard 45.300 (1.7835) Cam lobe height
mm (in)
EX Minimum 44.90 (1.768)
Journal diameter
mm (in)
Standard 31.959-31.975 (1.2582-1.2589) Journal diameter
mm (in)
Out-of-round 0.05 (0.0020) max.
Camshaft bearing
oil
clearance
mm (in)
Standard 0.025—0.066 (0.0010-0.0026) Camshaft bearing
oil
clearance
mm (in) Maximum 0.10 (0.004)
Camshaft run-out (deflection)
mm
(in) 0.10 (0.004) max.
Camshaft end play
mm (in)
Standard 0.02-0.15 (0.0008-0.0059) Camshaft end play
mm (in)
Maximum 0.20 (0.008)
Cylinder block
Height
mm (in)
301.5 (11.87)
Distortion
mm (in)
0.10 (0.004) max.
Cylinder bore diameter
mm (in)
Standard size 86.000-86.022 (3.3858-3.3867) Cylinder bore diameter
mm (in) 0.25 (0.010) oversize 86.250-86.272 (3.3957-3.3965) Cylinder bore diameter
mm (in) 0.50 (0.020) oversize 86.500-86.522 (3.4055-3.4064)
Cylinder bore taper and out-of-round
mm
(in) 0.022 (0.0009) max.
Piston
Piston diameter (Measured at 90°
to pin
bore axis and
19
mm (0.75
in)
above the bottom
of
pis-ton) mm (in)
Standard size 85.957—85.983 (3.3841—3.3852) Piston diameter (Measured at 90°
to pin
bore axis and
19
mm (0.75
in)
above the bottom
of
pis-ton) mm (in)
0.25 (0.010) oversize 86.207-86.233 (3.3940-3.3950)
Piston diameter (Measured at 90°
to pin
bore axis and
19
mm (0.75
in)
above the bottom
of
pis-ton) mm (in) 0.50 (0.020) oversize 86.457-86.483 (3.4038-3.4048)
Piston and cylinder clearance
mm
(in) Standard 0.032-0.050 (0.0013-0.0020) Piston and cylinder clearance
mm
(in) Maximum 0.15 (0.0059)
Piston ring
Thickness
mm
(in)
TOD
1.97-1.99 (0.0776-0.0783) Thickness
mm
(in) Second 1.97-1.99 (0.0776—0.0783)
End gap (measured
in
the cylinder)
mm (in)
TOD
0.20-0.35 (0.008-0.014) 0.20-0.40 (0.008-0.016)
End gap (measured
in
the cylinder)
mm (in)
Second 0.20-0.35 (0.008-0.014) 0.20-0.40 (0.008-0.016) End gap (measured
in
the cylinder)
mm (in) Oil (rail) 0.20-0.40 (0.008-0.016)
End gap (measured
in
the cylinder)
mm (in)
Maximum 1.0 (0.039)
Ring groove width
in
piston
mm
(in)
TOD
2.17-2.19 (0.0854-0.0862) 2.04-2.06 (0.0803-0.0811)
Ring groove width
in
piston
mm
(in) Second 2.03-2.05 (0.0799—0.0807) Ring groove width
in
piston
mm
(in)
Oil 4.02-4.04 (0.1583-0.1591)
Clearance
of
piston ring
to
ring groove
mm (in)
TOD
0.18-0.22 (0.0071-0.0087) 0.05—0.09 (0.0020-0.0035) Clearance
of
piston ring
to
ring groove
mm (in) Second 0.04-0.08 (0.0016-0.0031) Clearance
of
piston ring
to
ring groove
mm (in) Maximum 0.2 (0.008)
Piston pin
Piston pin hole diameter
(in
piston) 29.997-30.007 (1.1810-1.1814) 24.997-25.007 (0.9841-0.9845)
Diameter
mm
fin) 29.994-30.000 (1.1809-1.1811) 24.994-25.000 (0.9840-0.9843)
Clearance
in
connecting rod bushing
mm
(in) 0.05 (0.002) max.
30—12
Page 1827 of 1865
TECHNICAL DATA 30
Item Engine model RF-CX RF-N
Connecting rod and connecting rod bearing
Length (Center
to
center) mm (in) 151.95-152.05 (5.9823—5.9862)
Maximum twisting and bending mm (in) 0.080 (0.0031)
per 50
(1.969)
Small end bushing inner diameter mm (in) 30.014-30.030 (1.1817-1.1823) 25.014-25.030 (0.9848-0.9854)
Big end bore mm (in) 54.002-54.017 (2.1261-2.1266)
Big end width mm (in) 25.900—26.100 (1.0197—1.0276)
Connecting rod side clearance mm (in) Standard 0.11-0.262 (0.0043-0.0103) Connecting rod side clearance mm (in) Maximum 0.30 (0.012)
Crankshaft
Crankshaft runout mm (in) 0.05 (0.002) max.
Standard Standard 59.937-59.955 (2.3597-2.3604)
size Minimum 59.89 (2.358)
0.25 (0.010) Standard 59.687-59.705 (2.3499-2.3506)
Main journal diameter undersize Minimum 59.64 (2.348) mm (in) 0.50 (0.020) Standard 59.437-59.455 (2.3400-2.3407)
undersize Minimum 59.39 (2.338)
0.75 (0.030) Standard 59.187-59.205 (2.3302-2.3309)
undersize Minimum 59.14 (2.328)
Main journal taper and out-of-round mm (in) 0.05 (0.002) max.
Standard Standard 50.940-50.955 (2.0055—2.0061)
size Minimum 50.89 (2.004)
0.25 (0.010) Standard 50.690-50.705 (1.9957-1.9963)
Crankpin diameter undersize Minimum 50.64 (1.994) mm (in) 0.50 (0.020) Standard 50.440-50.455 (1.9858—1.9864)
undersize Minimum 50.39 (1.984)
0.75 (0.030) Standard 50.190-50.205 (1.9760-1.9766)
undersize Minimum 50.14 (1.974)
Crankpin taper and out-of-round mm (in) 0.05 (0.002) max.
Main bearing
Main journal bearing
oil
clearance Standard 0.031-0.050 (0.0012-0.0020)
mm (in) Maximum 0.08 (0.0031)
Available undersize bearina mm fin) 0.25 (0.010), 0.50 (0.020), 0.75 (0.030)
Crankpin bearing
Crankpin bearing
oil
clearance mm (in) Standard 0.027-0.055 (0.0011-0.0022) Crankpin bearing
oil
clearance mm (in) Maximum 0.08 (0.0031)
Available undersize bearing mm (in) 0.25 (0.010), 0.50 (0.020), 0.75 (0.030)
Thrust bearina (center main bearina)
Crankshaft end play mm (in) Standard 0.04-0.282 (0.0016—0.0111) Crankshaft end play mm (in) Maximum 0.30 (0.012)
Bearing width mm (in) Standard size 2.00-2.05 (0.0787-0.0807) Bearing width mm (in) Oversize 2.175-2.225 (0.0856-0.0876)
Timing belt
Deflection mm (in)/N (ka,
lb)
9.0-11.5 (0.35--0.45V98 (10,
22)
Drive belt deflection
Alternator mm (in) New 8-10 (0.31-0.39) Alternator mm (in) Used 9-11 (0.35-0.43)
A/C compressor mm (in) New 8.5-9.5 (0.33-0.37) A/C compressor mm (in) Used 9.5-10.5 (0.37-0.41)
Vacuum pump mm (in) New 7.5-8.5 (0.30—0.33) Vacuum pump mm (in) Used 8.5-9.5 (0.33-0.37)
P/S pump with vacuum pump mm (in) New 6.5-7.5 (0.26—0.30) P/S pump with vacuum pump mm (in) Used 7.0-8.0 (0.28—0.31)
Pressure wave supercharger
mm
(in) New 4.0-5.0 (0.16-0.20) Pressure wave supercharger
mm
(in) Used 4.5-5.5 (0.18-0.22)
30—13