Grease Points - Yamaha F4 Service Manual

INSP
ADJ
2
GENERAL
1
2
Compression pressure:
Standard: (without decompressor
operation)
660 kPa (6.6 Kg/cm
If it is below the specified pressure ®
Squirt a few drops of oil into the affected
cylinder and measure again.
Follow the table below.
Compression pressure
(With oil applied into cylinder)
Reading
Higher than
without oil
Same as
without oil
7. Install:
9 Spark plug

Grease points

1. Apply:
9 Water resistant grease
Refer the illustration for greasing
points .
9 Grease nipple
(clamp handle screw)
Grease nipple 1
9
(steering friction piece screw)
Grease nipple (swivel bracket) 2
9
3-14
2
, 93.87 psi)
Diagnosis
Worn or damaged pistons
Possible defective ring(s), val-
ves, cylinder head gasket or
piston ® Repair.
E