Dismantling And Checking The Piston, Piston Rings, Connecting Rod And Engine Shaft; Engine Wbe 0701-Wbe - GGP WBE 0701 Workshop Manual

14. ENGINE BLOCK - Overhauling internal parts
22
26
24
27
27
29
Release 00 - 02/2008
2
25
28

Engine WBE 0701-WBE 0704

10 - When refitting the camshaft, maximum care
must be taken to match up the two references (22)
and (2) punched on the gears, so as to ensure
correct distribution phasing.
11 - During assembly, refer to the operations
[
in section
place the washer (7) between the sump and the
housing.
14.4. Dismantling and checking the piston, piston
rings, connecting rod and engine shaft
NOTA - These paragraphs describe all the
operations for checking and overhauling the
thermal components of the engine; it is left
to the operator to assess the advisability of
performing all the operations described or
only part of them, depending on the type of
engine problems encountered.
1 - Remove the engine from the machine
14.1].
2 - Remove the magneto flywheel
3 - Open the cover
4 - Remove the camshaft
5- Dismantle the connecting rod (24) cap (25), fixed
with two screws (26) (take note of any reference
marks for refitting).
6 - Push the connecting rod (25) so as to cause the
piston (27) to come out of the cylinder (28).
7 - Use the special expanding tool (29) to re-
move the two compression rings and the oil scraper
ring from the piston (27).
8 - Carefully remove all carbon deposits from the
compression rings, the inside of the cylinder and
the piston head.
pag. 47
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14.2]
always remembering to re-
[
[ 14.2].
[ 14.].
Service manual
[
1.5].