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Просмотр инструкции снегоходы Ski Doo MX Z 2005, страница 926
Section 03 ENGINES (2-STROKE)
Subsection 01 (277 ENGINE TYPE)
TROUBLESHOOTING
Before completely disassembling the engine,
check airtightness. Refer to LEAK TEST AND
ENGINE DIMENSION MEASUREMENT.
NOTE: The following procedures can be done
without removing the engine from chassis.
TOP END REMOVAL (WITHOUT
REMOVING ENGINE FROM
CHASSIS)
Remove the following then lift cylinder head no. 3
and cylinder no. 4:
– belt guard
– carburetor
– exhaust system
– spark plug
– oil injection inlet
– fan cowl and hood cable
– cylinder head nuts no. 1 and washers no. 2.
CLEANING
Discard all gaskets.
Clean all metal components in a non-ferrous metal
cleaner.
Scrape off carbon formation from cylinder exhaust
port, cylinder head and piston dome using a wood-
en spatula.
NOTE: The letters “AUS” (over an arrow on the
piston dome) must be visible after cleaning.
Clean the piston ring grooves with a groove clean-
er tool, or with a piece of broken ring.
DISASSEMBLY
5, Piston
On this engine, piston pin needle bearing no. 6 is
mounted without a cage.
Use piston pin puller (P/N 529 035 503) along with
18 mm sleeve kit (P/N 529 035 541) and locating
sleeve (P/N 529 023 800).
NOTE: The locating sleeve is the same that con-
tains new cageless bearing.
Place a clean cloth or rubber pad (P/N 529 023
400) over crankcase to prevent circlips no. 8 from
falling into crankcase. Then with a pointed tool
insertedinpistonnotch,removebothcirclipsfrom
piston no. 5.
A02C29A
TYPICAL
Insert piston pin puller (P/N 529 035 503) making
sure it sits squarely against piston.
A02C2AA
1
TYPICAL
1. Properly seated all around
mmr2005-010 51
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