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 hastobere-
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
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