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Sea-doo SP User Manual

Sea-doo SP
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Section 03 ENGINE
Sub-Section 06 (BOTTOM END)
03-06-4
Crankshaft Alignment at Connecting
Rod Journal
Such misalignment may cause a crankshaft hard
to be manually turned. Verification can be done by
measuring deflection each end of crankshaft. Re-
fer to Inspection paragraph.
If deflection is found greater than specified toler-
ance, this indicates worn bearing(s), bent and/or
disaligned crankshaft.
DISASSEMBLY
Engine has to be removed from watercraft to
open bottom end. Refer to ENGINE 03-03.
1, Seal
If a crankshaft end seal has to be replaced, bot-
tom end must be opened (except for the MAG
side seal on the 787 engine, which is mounted on
the magneto housing).
3, Crankcase
Remove the following parts:
– engine support (except for the 787 engine)
– PTO flywheel, refer to PROPULSION SYSTEM
08-03
NOTE:
PTO flywheel must be removed prior re-
moving MAG flywheel.
– magneto flywheel, refer to ENGINE 03-04
– starter
– magneto housing
– rotary valve cover and valve
– crankcase retaining screws
Insert screwdrivers between crankcase lugs and
pry to separate halves being careful not to dam-
age precision machined surfaces.
1. Separate halves by prying at provided lugs
1. Separate halves by prying at provided lugs
Remove crankshaft and counterbalance shaft
(787 engine).
1,2,4,5, Seal and Bearing
NOTE:
Do not needlessly remove crankshaft
bearings.
Remove end seal(s).
To remove end bearings from crankshaft, use pro-
tective cap (P/N 290 876 557) and puller (P/N 290
876 298).
717 Engines
On PTO side, use ring (P/N 290 977 490) with ring
halves (P/N 290 977 475).
On MAG side, use distance ring (P/N 290 876
569), ring (P/N 290 977 490) with ring halves (P/N
290 276 025).
F01D1KA
1
F01D1LA
1
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Sea-doo SP Specifications

General IconGeneral
BrandSea-doo
ModelSP
CategoryBoat
LanguageEnglish

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