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Mercury 125 OptiMax User Manual

Mercury 125 OptiMax
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Description Nm lb‑in. lb‑ft
Outboard mounting locknuts and
bolts – standard boat transom
75 55
Outboard mounting locknuts and
bolts – metal lift plates and setback
brackets
122 90
Check the propeller blades for damage.
Inspect all hoses, clamps, fittings, tubing, sealing gaskets, and mounting
hardware for wear.
AFTER EACH SALTWATER OR POLLUTED WATER USE
Flush all internal passages with fresh water.
Wash the power package exterior (cowl, midsection, and gearcase) with
fresh water.
Flush the propeller and gearcase exhaust outlet with fresh water.
Remove the cowl and wipe off any saltwater spray with a damp cloth.
EVERY 25 HOURS OR EVERY 30 DAYS OF SALTWATER OR
POLLUTED WATER USE
Spray the powerhead and all external, unpainted metal surfaces (except
anodes) with Corrosion Guard.
Tube Ref
No.
Description Where Used Part No.
120
Corrosion Guard
Powerhead and all external, unpainted
metal surfaces (except anodes)
92-802878 55
EVERY 25 HOURS OR EVERY 30 DAYS, WHICHEVER OCCURS FIRST
Verify that the front and side cowl latches are tight. Tighten them if
necessary.
Inspect the fuel and oil systems for deterioration or leaks.
Inspect the hydraulic steering hoses for deterioration or leaks.
Inspect the steering link rod fasteners for wear. Lubricate all of the
specified components. Check all attachment hardware to ensure proper
torque.
Check the level and condition of the gearcase lubricant.
Check the alternator belt tension.
EVERY 50 HOURS OR ONCE A YEAR, WHICHEVER OCCURS FIRST
Lubricate all of the lubrication points listed in the manual.
Lubricate the splines on the driveshaft.
1.
Lubricate the length of driveshaft with Extreme Grease.
1. These items should be serviced by an authorized dealer.
MAINTENANCE
eng 75

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Mercury 125 OptiMax Specifications

General IconGeneral
BrandMercury
Model125 OptiMax
CategoryOutboard Motor
LanguageEnglish

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