First 20 Hours / 3 Months Mercruiser Service Checklist.

Check Before Running

• Inspect engine and accessories for visible damage
• Drain gear housing and refill with appropriate Quicksilver gear lube (SD)
• Check engine alignment
• Lubricate all grease fittings, splines and couplings
• Lubricate steering cable
• Service battery and terminals
• Inspect fuel lines, fuel filters and connections
• Check all fluid levels
• Check operation of power trim (SD)
• Drive belts – check tension
• Check/reset diagnostic codes (ISE)
• Check engine compression
• Crankcase oil & filter change

Check While Running

• Water pump operation
• Throttle gear shift attachment/operation
• Idle RPM
• Check engine timing
• Operation of steering system
• Operation of gauges and lanyard safety switch
• Check engine operation temp, oil pressure, charge rate
• Check audio warning
• Check ECM diagnostic data
• Check carb adjustment (ISE)

Important

• Spray engine with Quicksilver Corrosion Guard
• Inspect corrosion control anodes/MerCathode (ISE)

Preparation for Storage

• Extended storage procedure complete
• IB = Inboard SD = Sterndrive ISE = If So Equipped

Standard Times

• 4 Cylinder: 2.5 Hours
• V6: 3.0 Hours
• V8 Stern drive: 3.0 Hours
• V8 In board: 1.5 Hours
• In line DIESEL Stern drive: 2.5 Hours
• In line DIESEL In board: 2.0 Hours
• V8 DIESEL Stern drive: 3.0 Hours
• V8 DIESEL In board: 2.5 Hours

NOTE: Additional work may be required dependent on product application and usage.

First 20 Hours / 3 Months Outboard Service Checklist.

Check Before Running

• Inspect outboard motor and accessories for visible damage
• Drain gear housing and refill with gear lube
• Lubricate all grease fittings, transom clamp screws, steering cable
• Throttle/shift linkage & propeller/drive shaft splines
• Service battery and terminals
• Torque cylinder head screws to specifications
• Remove and inspect spark plugs
• Check compression
• Inspect fuel tank, fuel lines and connections
• Clean or replace fuel filters
• Check primary & secondary throttle pickup & full throttle stop
• Check power trim system operation, oil level & trim gauge
• Change engine oil level & replace filter (4 stroke only)
• Check & adjust valve clearance, if necessary (4 stroke only)

OPTIMAX MODELS

• Check audible warning system
• Check diagnostic codes
• Check ECM sensors & operation
• Check TPS setting
• Check DFI fuel & air pressure

Check While Running

• Water pressure, operation of water pump and cooling system
• Throttle, gear shift and reverse lock operation
• Carburetor mixture and idle speed
• Operation of oil injection and low oil warning system
• Operation of steering system, remote controls and gauges

Important

• Spray powerhead with Quicksilver Corrosion Guard to protect electric connections & exposed metal surfaces from corrosion
• Inspect corrosion control anodes and system
• Owner should follow recommendations in operation and
• Maintenance Manual until next scheduled service

Standard Times

• 2 – 5: 1 Hour
• 6 – 25: 1.5 Hours
• 30 – 40: 1.7 Hours
• 50-90: 2 Hours
• 100 – 125: 2.5 Hours
• 135 – 250: 3.0 Hours

NOTE: Additional work may be required dependent on product application and usage. Add .5 hour for 4 stroke Optimax.