Suzuki: Engine K6A-YH6. Manual — part 3
2-4
SPECIFICATIONS AND GENERAL INFORMATION
2
Engine Information
Item
Unit
Specification
Type
K6A Normally Aspirated
Number of Cylinders and
Arrangement
In-line 3-Cylinder Transversely Mounted
Combustion Chamber Shape
Pent-Roof Type
Valve Mechanism
Twin Cam, 4-Valve, Chain Driven
Engine Displacement
cu in. (cc)
40 (658)
Bore x Stroke
in. (mm)
2.68 x 2.38 (68.0 x 60.4)
Compression Ratio
10.5
Cylinder Identification
1-2-3 from Timing Chain toward Flywheel
Firing Order
1-3-2
Maximum Output @ Engine Speed
hp/rpm
44 at 5000 (net)
Maximum Torque @ Engine Speed
lb-ft/rpm
45.7 at 4000 (net)
SPECIFICATIONS AND GENERAL INFORMATION
2-5
2
Standard Torque Values
Inch Fastener Torque Values
Metric Fastener Torque Values
NOTICE
NOTE
Jacobsen uses Grade 5 plated bolts as standard, unless
otherwise noted. When tightening plated bolts, use the
value given for lubricated.
All torque values included in these charts are
approximate and are for reference only. Use of
these torque values is at your sole risk. Jacobsen
is not responsible for any loss, claim, or damage
arising from the use of these charts.
Extreme caution should always be used when
using any torque value.
AMERICAN NATIONAL STANDARD FASTENERS
SIZE
UNITS
GRADE 5
GRADE 8
SIZE
UNITS
GRADE 5
GRADE 8
Lubricated
Dry
Lubricated
Dry
Lubricated
Dry
Lubricated
Dry
#6-32
in-lb (Nm)
–
20 (2.3)
–
–
7/16-14
ft-lb (Nm)
37 (50.1)
50 (67.8)
53 (71.8)
70 (94.9)
#8-32
in-lb (Nm)
–
24 (2.7)
–
30 (3.4)
7/16-20
ft-lb (Nm)
42 (56.9)
55 (74.6)
59 (80.0)
78 (105)
#10-24
in-lb (Nm)
–
35 (4.0)
–
45 (5.1)
1/2-13
ft-lb (Nm)
57 (77.2)
75 (101)
80 (108)
107 (145)
#10-32
in-lb (Nm)
–
40 (4.5)
–
50 (5.7)
1/2-20
ft-lb (Nm)
64 (86.7)
85 (115)
90 (122)
120 (162)
#12-24
in-lb (Nm)
–
50 (5.7)
–
65 (7.3)
9/16-12
ft-lb (Nm)
82 (111)
109 (148)
115 (156)
154 (209)
1/4-20
in-lb (Nm)
75 (8.4)
100 (11.3)
107 (12.1)
143 (16.1)
9/16-18
ft-lb (Nm)
92 (124)
122 (165)
129 (174)
172 (233)
1/4-28
in-lb (Nm)
85 (9.6)
115 (13.0)
120 (13.5)
163 (18.4)
5/8-11
ft-lb (Nm)
113 (153)
151 (204)
159 (215)
211 (286)
5/16-18
in-lb (Nm)
157 (17.7)
210 (23.7)
220 (24.8)
305 (34.4)
5/8-18
ft-lb (Nm)
128 (173)
170 (230)
180 (244)
240 (325)
5/16-24
in-lb (Nm)
173 (19.5)
230 (26.0)
245 (27.6)
325 (36.7)
3/4-10
ft-lb (Nm)
200 (271)
266 (360)
282 (382)
376 (509)
3/8-16
ft-lb (Nm)
23 (31.1)
31 (42.0)
32 (43.3)
44 (59.6)
3/4-16
ft-lb (Nm)
223 (302)
298 404
315 (427)
420 (569)
3/8-24
ft-lb (Nm)
26 (35.2)
35 (47.4)
37 (50.1)
50 (67.8)
7/8-14
ft-lb (Nm)
355 (481)
473 (641)
500 (678)
668 (905)
METRIC FASTENERS
SIZE
UNITS
Non-Critical
Fasteners
into
Aluminum
Lubricated
Dry
Lubricated
Dry
Lubricated
Dry
Lubricated
Dry
M4
Nm (in-lb)
–
–
–
–
–
–
3.83 (34)
5.11 (45)
2.0 (18)
M5
Nm (in-lb)
1.80 (16)
2.40 (21)
4.63 (41)
6.18 (54)
6.63 (59)
8.84 (78)
7.75 (68)
10.3 (910
4.0 (35)
M6
Nm (in-lb)
3.05 (27)
4.07 (36)
7.87 (69)
10.5 (93)
11.3 (102)
15.0 (133)
13.2 (117)
17.6 (156)
6.8 (60)
M8
Nm (in-lb)
7.41 (65)
9.98 (88)
19.1 (69)
25.5 (226)
27.3 (241)
36.5 (323)
32.0 (283)
42.6 (377)
17.0 (150)
M10
Nm (ft-lb)
14.7 (11)
19.6 (14)
37.8 (29)
50.5 (37)
54.1 (40)
72.2 (53)
63.3 (46)
84.4 (62)
33.9 (25)
M12
Nm (ft-lb)
25.6 (19)
34.1 (25)
66.0 (48)
88.0 (65)
94.5 (70)
125 (92)
110 (81)
147 (108)
61.0 (45)
M14
Nm (ft-lb)
40.8 (30)
54.3 (40)
105 (77)
140 (103)
150 (110)
200 (147)
175 (129)
234 (172)
94.9 (70)
4.6
8.8
10.9
12.9
2-6
SPECIFICATIONS AND GENERAL INFORMATION
2
2.2 Air Intake and Exhaust
System Specifications
2.3 Electrical Specifications
2.4 Fuel System Specifications
2.5 Cooling System
Specifications
Item
Unit
Specification
Intake Manifold Torque
lb-in. (N•m)
97 (11)
Exhaust Manifold Torque
lb-in. (N•m)
204 (23)
Intake Manifold Distortion Limit
in. (mm)
0.003 (0.07)
Exhaust Manifold Distortion Limit
in. (mm)
0.003 (0.07)
Intake Manifold Vacuum at Idle
psi (kpa)
7.7 (53)
Item
Unit
Specification
Spark Plug (NGK)
Jacobsen PN 4119606
Spark Plug (Denso)
Jacobsen PN 2701832
Spark Plug Gap
in. (mm)
0.031—0.035 (0.8—0.9)
Spark Plug Torque
lb-in. (N•m)
177 (20)
Firing order
1-3-2
Ignition Timing
deg. / rpm
5 ± 1 / 800
ISC Duty Ratio
%
5—30
O
2
Sensor Feedback Duty Ratio
%
5—95
Belt Deflection at Mid-Point with
17 ft-lb (23 N•m) of Force Applied
Alternator Belt Deflection—New
in. (mm)
0.315—0.354 (8—9)
Alternator Belt Deflection
Readjustment
in. (mm)
0.472—0.59 (12—15)
Item
Unit
Specification
Fuel Pressure
psi (kPa)
43 (294)
Item
Unit
Specification
Thermostat Start-to-Open
°F (°C)
190 (88)
Thermostat Full Open
°F (°C)
205 (96)
SPECIFICATIONS AND GENERAL INFORMATION
2-7
2
2.6 Front Cover, Timing Chain,
and Tensioner Specifications
2.7 Cylinder Head, Cams, and
Valve Train Specifications
Item
Unit
Specification
lb-in. (N•m)
97 (11)
Item
Unit
Specification
Valve Clearance, Cold, Intake
in. (mm)
0.007—0.009 (0.18—0.23)
Valve Clearance, Cold, Exhaust
in. (mm)
0.012—0.014 (0.30—0.35)
Intake and Exhaust Manifold Mating
Face Distortion Limit
in. (mm)
0.000—0.002 (0.00—0.05)
Camshaft Housing Cap Screw
Torque
lb-in. (N•m)
97 (11)
Camshaft Journal Outside Diameter
in. (mm)
0.903—0.904 (22.934—22.955)
Camshaft Journal Inside Diameter
in. (mm)
0.905—0.906 (23.000—23.021)
Camshaft Lobe Height, Intake
in. (mm)
1.477—1.483 (37.520—37.680)
Camshaft Lobe Height, Exhaust
in. (mm)
1.470—1.476 (37.343—37.503)
Cylinder Head/Block Mating Face
Distortion Limit
in. (mm)
0.001 (0.03)
Camshaft Oil Clearance Standard
in. (mm)
0.002—0.003 (0.045—0.087)
Camshaft Oil Clearance Limit
in. (mm)
0.004 (0.10)
Valve Spring Tension Standard at
1.17 in. (29.9 mm)
lb-ft (N•m)
22—26 (100—116)
Valve Spring Tension Limit at
1.17 in. (29.9 mm)
lb-ft (N•m)
20 (88)
Valve Guide to Valve Stem
Clearance, Intake
in. (mm)
0.0007—0.0018 (0.020—0.047)
Valve Guide to Valve Stem
Clearance Limit, Intake
in. (mm)
0.002 (0.07)
Valve Guide to Valve Stem
Clearance, Exhaust
in. (mm)
0.0017—0.0028 (0.045—0.072)
Valve Guide to Valve Stem
Clearance Limit, Exhaust
in. (mm)
0.003 (0.09)
Tappet and Bore Clearance
in. (mm)
0.0009—0.0024 (0.025—0.062)
Tappet and Bore Clearance Limit
in. (mm)
0.003 (0.10)
Valve Spring Free Length
in. (mm)
1.35 (34.3)
Valve Spring Right Angle Range
in. (mm)
0.000—0.059 (0.00—1.5)
Cam Cover Cap Screw Torque
lb-in. (N•m)
96 (11)
Cylinder Head Cap Screw Torque
lb-ft (N•m)
43.5 (59)
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