Section 03 787 RFI 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 loosened using PTO flywheel ex-
tractor (P/N 295 000 156).
295000156
Install special tool.
F06I02A
1
1. PTO flywheel extractor
Install the extension handle (P/N 295 000 125) on
the PTO flywheel extractor.
295000125
Loosen PTO flywheel COUNTERCLOCKWISE
when facing it.
MAG Crankshaft Seal
MAG crankshaft seal is retained by the magne-
to housing. For replacement procedure, refer to
MAGNETO SYSTEM section.
PTO Crankshaft Seal
If PTO crankshaft seal
no. 5
has to be re-
placed, bottom end must be opened.
Refer
to CRANKCASE and CRANKSHAFT END BEAR-
INGS below.
Crankcase
Before opening the crankcase, remove the follow-
ing parts:
– magneto flywheel and housing, refer to MAG-
NETO SYSTEM section
– starter, refer to appropriate
VEHICLE SHOP
MANUAL
– rotary valve cover and valve, refer to ROTARY
VALVE section
– engine top end, refer to TOP END section.
smr2005-083
89
www.SeaDooManuals.net
