262
CID (4.3L) ENGINES
SERVICE MANUAL NUMBER 25
Cleaning and Inspection
CONNECTING RODS
1.
2.
Wash connecting rods in cleaning solvent and dry with compressed air.
Check for twisted and bent rods and inspect for nicks and cracks. Replace damaged
connecting rods.
PISTONS
NOTE: Cylinder bore and taper must be within specifications before pistons can be
considered for re-use.
1.
Clean varnish from piston skirts with a cleaning solvent. DO NOT WIRE BRUSH ANY
PART OF PISTON. Clean ring grooves with a groove cleaner and make sure oil ring
holes are clean.
2.
Inspect piston for damaged ring lands, skirts and pin bosses, wavy or worn ring lands,
scuffed or damaged skirts and eroded areas at top of piston.
3.
4.
5.
Inspect grooves for nicks and burrs that might cause rings to hang up.
Measure piston skirt and check clearance as outlined under “Piston Selection.”
Slip outer surface of a new top and second compression ring into respective piston ring
groove and roll ring entirely around the groove to make sure that ring does not bind. If
ring groove causes binding, remove by dressing with a fine cut file. If a distorted ring
causes binding, recheck with another ring.
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Index
Page 3A-78
90-861328--1 NOVEMBER 1999
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 1262 CID, Mercury MerCruiser 262 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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