Checking Engine Oil Pressure - wsm 03-CR-E4 Workshop Manual

SERVICING
4. Checking and adjusting
5. Check the subsequent valve clearance (5) at the
mark [1TC] with a feeler gauge.
NOTE
• If the clearance is out of the service
specifications, adjust with the adjusting
screw (3).
• Tighten the lock nut (4) of the adjusting
screw.
Valve clearance Service specifi-
(Cold) cation
Adjustable cylinder loca-
tion of piston
Intake
1
When No. 1 pis-
2
ton is at
compression top
3
dead center.
4
1
When No. 1 pis-
2
ton is at overlap
3
position.
4
(3) Adjusting screw
(4) Lock nut
6. Install the removed parts.
Tightening tor- Cylinder head cov-
que er screw

4.3 Checking engine oil pressure

Tools required
• Oil pressure tester
1. Remove the engine oil pressure switch.
2. Set the oil pressure tester.
03-CR-E4,03-CR-TE4BG
0.18 to 0.22 mm
0.0071 to 0.0086 in.
Valve arrangement
3 cylinder 4 cylinder
Ex- Ex-
Intake
haust haust
☆ ☆ ☆ ☆
☆ ☆
☆ ☆
－ －
☆ ☆
☆ ☆
－ － ☆ ☆
(5) Valve clearance
6.86 to 11.3 N⋅m
0.700 to 1.15 kgf⋅m
5.06 to 8.33 lbf⋅ft
3. Operate the engine for warming-up.
4. Measure the oil pressure at the idle speed and
rated speed.
At idle speed
Engine oil
pressure
At rated
speed
NOTE
• If the oil pressure is less than the service
limit, do a check below.
– Engine oil level
– Oil pump
– Oil strainer
– Oil filter cartridge
– Oil passage
– Oil clearance
– Relief valve
5. After checking the engine oil pressure, tighten its oil
pressure switch to the specified torque.
Tightening tor-
Oil pressure switch
que
4. ENGINE
More than
Service speci- 98 kPa
2
fication 1.0 kgf/cm
14 psi
50 kPa
2
Service limit 0.5 kgf/cm
7 psi
300 to
450 kPa
Service speci-
3.0 to
fication
2
4.5 kgf/cm
43 to 64 psi
250 kPa
2
Service limit 2.5 kgf/cm
36 psi
14.7 to 19.6 N⋅m
1.50 to 1.99 kgf⋅m
10.9 to 14.4 lbf⋅ft
4-99
KiSC issued 02, 2021 A