Yamaha 2004 YP400 Service Manual page 224

1
1
CAMSHAFTS
3. Measure:
• camshaft runout
Out of specification → Replace.
Camshaft runout limit
0.03 mm (0.0012 in)
4. Measure:
• camshaft-journal-to-camshaft-cap clear-
ance
Out of specification → Measure the cam-
shaft journal diameter.
Camshaft-journal-to-camshaft-
cap clearance limit
0.08 mm (0.0031 in)
M MMM M MMM M M MMM
a. Install the camshaft into the cylinder head
(without the dowel pins and camshaft cap).
b. Position a strip of Plastigauge
camshaft journal as shown.
c. Install the dowel pins and camshaft cap.
NOTE:
_
• Tighten the camshaft cap bolts in the order of
the embossed numbers on the camshaft cap.
• Do not turn the camshaft when measuring
the camshaft journal-to-camshaft cap clear-
ance with the Plastigauge
Camshaft cap bolt
10 Nm (1.0 m · kg, 7.2 ft · lb)
d. Remove the camshaft cap and then mea-
sure the width of the Plastigauge
L LLL L LLL L L LLL
5 - 11
ENG
M M MMM M M MMM M
®
1.
®
L L LLL L L LLL L
M MMM M MMM
1 onto the
®
.
L LLL L LLL