SERVICE STANDARDS
Service Standards
12/05
6LY3 Service Manual
14-3
© 2007 Yanmar Marine International
SERVICE STANDARDS
Engine
No. Inspection Item Standard Limit
Reference
Page
1 Valve Clearance
Intake
0.15-0.25 mm
(0.0059-0.0098 in.)
—
4-18
Exhaust
0.45-0.55 mm
(0.0177-0.0216 in.)
—
2
V-belt Tension
at 98 N (22 lb) force
Used Part
8-10 mm
(Approximately 3/8 in.)
—
4-14
New Part
6-8 mm
(Approximately 5/16 in.)
—
3 Fuel Opening Pressure
No. 1 Press.
24.00-24.98 MPa
(245-255 kgf/cm
2
)
(3623 psi)
—
6-27
No. 2 Press.
36.96-38.34 MPa
(377-391 kgf/cm
2
)
(5560 psi)
—
4 Coolant Capacity
Engine 28 L (7.4 gal) —
7-4
Coolant Recovery
Tank
1.5 L (0.4 gal) —
5
Oil Capacity (full)
at a 0° rake angle
Engine 18.8 L (5 gal) — 4-6
6 Oil Pressure
0.40-0.50 MPa
(4.1-5.1 kgf/cm
2
)
(58-72 psi)
— 8-8
7 Oil Pressure Alarm (ON)
1000 rpm 20 kPA or less (2.9 psi) —
4-8
3000 rpm
200 or less kPa
(29 psi)
—
8 Thermostat
Valve Opening
Temperature
69-73°C
(156-163°F)
—
4-30
Full Opening Lift
8 mm or above
(0.314 in.)
90°C (194°F)
—
9 Coolant Temperature Alarm
ON 100°C (212°F) —
12-22
OFF 95°C (203°F) —
10 Oil Temperature Alarm
ON 110°C (230°F) —
OFF 105°C (221°F) —
11 Fuel Temperature Alarm
ON 80°C (176°F) —
OFF 75°C (167°F) —
12 Top Clearance
0.78-0.98 mm
(0.0307-0.0385 in.)
— 5-35
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