Moxy MT 31 - Assembly; Fitting

Engine
SHOP MANUAL MT26-31 - 06.2005
Tier-3 710655-
Ch 1 page 57
Assembly
8406
1.
Lubricate all parts well with engine oil
before assembly.
2.
Fit the valves in the their guides and
position the cylinder head in a press.
3.
Fit the valve springs and the valve spring
collars.
4.
Compress the springs using tool 8406 and
fit the collets, making sure that they go into
their correct positions.
1.
Check liner height, refer to Measuring the
cylinder liner height.
2.
Fit a new cylinder head gasket.
3.
Fit the cylinder head and ensure that the
guide pins fit into the holes.
4.
The cylinder head bolts can be reused up to 3 times.
Therefore, make sure the bolts
have no more than 2 punch marks on top of
the bolt head. If any of the bolts has 3
marks, it must be replaced with a new one.
5.
Lubricate the threads on the cylinder head
bolts and the surface under the head.
6.
Tighten the bolts in the order given in the figure and in three
stages + 90° as follows:
• Tighten all bolts to 60 Nm
• Tighten all bolts to 150 Nm
• Tighten all bolts to 250 Nm
• Finally, tighten all bolts a further 90°
• Make a mark with a centre punch on the head of the bolt.
7.
Fit the lower part of the rocker cover and
tighten the bolts to 26 Nm.
Fitting