POWR
Power unit
5-27
6P23H11
14. Remove the camshaft caps in the
sequence shown.
15. Remove the camshafts
8
and oil seals
9
.
CAUTION:
Do not reuse the gaskets
0
, always
replace them with new ones.
NOTE:
See the exploded diagram (5-8).
16. Remove the valve lifters from the cylinder
heads.
NOTE:
Do not mix the valve train parts. Keep them
organized in their proper groups.
Checking the timing belt and
sprocket
1.
Check the interior and exterior of the tim-
ing belt. Replace if cracked, damaged, or
worn.
2.
Check the drive sprocket. Replace the
crankshaft assembly if cracked, dam-
aged, or worn.
3.
Check the driven sprockets. Replace the
variable camshaft timing assembly or
driven sprocket if cracked, damaged, or
worn.
Checking the valve lifter
1.
Check the valve lifters. Replace if dam-
aged, scratched, or worn.
Checking the camshaft
1.
Check the edge and face of the brim on
the port camshafts and starboard intake
camshaft that is used for the cam posi-
tion sensor. Replace if rough, damaged,
or scratched.
NOTE:
•
Do not scratch or damage the face of the
brim.
•
If there is a scratch more than 0.2 mm
(0.008 in) deep or more than 0.5 mm (0.020
in) wide on the surface of the brim, a mal-
function may occur in the cam position sen-
sor signal.
2.
Measure the cam lobe. Replace if out of
specification.
S6P25530
±
%
#
$
!
$
±
#
$
±
#
!
$
±
#
!
PORT
UP
STBD
S6P25540E
0
0
9
8
S6P25550C
Summary of Contents for Blue Whale 250 EFI
Page 1: ...Blue Whale 250 SERVICE MANUAL...
Page 97: ...6P23H11 4 14 1 2 3 4 5 6 7 8 9 1 2 3 S6P24380 2 3 Intake manifold...
Page 111: ...6P23H11 4 28 1 2 3 4 5 6 7 8 9 MEMO Fuel injector...
Page 373: ...6P23H11 i 5 1 2 3 4 5 6 7 8 9 Index MEMO...
Page 375: ......
Page 376: ......
