Section 02 717 ENGINE
Subsection 04 (BOTTOM END)
GENERAL
Engine has to be removed from watercraft to take
apart bottom end. Refer to appropriate
VEHICLE
SHOP MANUAL
.
Engine top end has to be disassembled to take
apart bottom end. Refer to TOP END section in
this manual.
NOTE:
Crankcase halves are factory matched and
therefore, are not interchangeable or available as
single halves.
DISASSEMBLY
PTO Flywheel
To remove PTO flywheel
no. 1
, the crankshaft
must be locked. Refer to MAGNETO SYSTEM
and follow the procedure to lock the magneto fly-
wheel.
PTO flywheel is loosen using the PTO flywheel
remover (P/N 295 000 001).
F01J0TA
Insert special tool in PTO flywheel splines.
F01D1AA
1
TYPICAL
1. PTO flywheel remover
Using a suitable wrench or socket with a break-
er bar, unscrew PTO flywheel COUNTERCLOCK-
WISE when facing it and hold extension handle
locking the magneto flywheel.
F00D0ZA
1
TYPICAL
1. Extension handle locking crankshaft
NOTE:
When splines of PTO flywheel are worn
out and special tool cannot be used, proceed with
the following alternate method.
Use a pipe wrench and install it on PTO flywheel
as illustrated.
F00D10A
1
TYPICAL
1. Extension handle locking crankshaft
Crankshaft End Seals
If crankshaft end seals
no. 5
have to be re-
placed, bottom end must be opened. Refer to
CRANKCASE and CRANKSHAFT END BEARINGS
below.
Crankcase
Before opening crankcase
no. 2
, remove the fol-
lowing parts:
– engine supports
– magneto flywheel and housing, refer to MAG-
NETO SYSTEM section
smr2005-078
39
www.SeaDooManuals.net
