CHK
ADJ
3-16
POWER UNIT
E
4. Install:
•
Cylinder head cover
•
Spark plugs
•
Flywheel magnet assembly cover
5. Connect:
•
Blowby hose
•
Fuel hoses
•
Spark plug leads
MEASURING THE COMPRESSION
PRESSURE
CAUTION:
Before removing a spark plug, use com-
pressed air to blow away dirt accumulated
in the spark plug well to prevent it from fall-
ing into the cylinder that is being tested.
1. Check:
•
Valve clearance
Out of specification
→
Adjust.
Refer to "ADJUSTING THE VALVE
CLEARANCE" on page 3-14.
2. Warm-up:
•
Engine
3. Remove:
•
Spark plug(-s)
4. Install:
•
Compression gauge
(into the spark plug hole)
5. Measure:
•
Compression pressure
Below minimum compression pres-
sure
→
Inspect valve clearance,
valve face, valve seat, piston rings,
cylinder sleeve, piston, cylinder
head gasket and cylinder head.
1
Compression gauge
YU-33223 / 90890-03160
Compression pressure
Minimum
1,210 kPa (12.1 kgf/cm
2
, 175 psi)
1
Содержание F40BED
Страница 60: ...SPEC 2 12 MAINTENANCE SPECIFICATIONS E DIMENSIONS H9 L3 L7 L6 L2 L1 H2 H1 H7 H4 H3 H8 H6 W5 W6 W1 L4 A1 A3 A2 ...
Страница 126: ...GENERAL 3 25 E CHK ADJ LUBRICATION POINTS Apply Water resistant grease ...
Страница 128: ...CHK ADJ 3 26 GENERAL E ...
Страница 129: ...3 26 CHK ADJ F D ES ...
Страница 272: ...E LOWR BACKLASH 6 34 MEASURING THE FORWARD GEAR BACKLASH 6 34 MEASURING THE REVERSE GEAR BACKLASH 6 36 ...
Страница 528: ......
Страница 529: ......
Страница 536: ......
Страница 537: ...Printed on recycled paper Printed in Japan Sep 1999 1 7 1 F40B YAMAHA MOTOR CO LTD ...