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ENGINE
EC25PF/EC28PF Engine
Disassembly
NOTE:Inspect all parts during disassembly as outlined on page 3.35-3.40.
1. Remove the flywheel nut and flywheel with puller (PN
2871043). Mark position of stator plate on crankcase,
remove stator plate screws and stator assembly.
Flywheel Puller
PN 2871043
Flywheel Holder
PN 8700229
2. Remove cylinder head and cylinder. Remove piston pin
clips. Use Piston Pin Puller to remove piston pin from
piston.
3. Refer to Top End Component Parts Inspection on
page 3.36-3.39 to inspect cylinder, piston, rings
and connecting rod small end bearing.
Piston Pin Puller
PN 2870386
4. Remove the crankcase half attaching bolts.
crankcase in the bearing support areas. After applying
heat, tap on PTO end and magneto end to separate
case half from crankshaft.
5. After removing the crankshaft, thoroughly clean the
bearings and lubricate. Check the crankshaft runout as
outlined in Crankshaft Inspection procedure on page
3.40.
4/99
Mark stator plate
and crankcase
Heat
3.14
Polaris Sales Inc.
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Troubleshooting
