Mercury Marine 15/20 hp 4-Stroke Oil Change Kit
Mercury oil change kits contain industry-leading Mercury 25W-40 Marine Engine Oil. Over five years of engineering and development went into the exclusive Flagship Protection formula which features a high-tech, advanced set of anti-wear additives that provide up to 35% better camshaft wear protection and the highest levels of corrosion and oxidation protection. Designed to maintain engine reliability and performance, Mercury 25W-40 Marine Engine Oil has been proven to hold its viscosity ratings longer in industry wear testing than other oils on the market. Mercury Oil, combined with a genuine Mercury Oil Filter team up to provide the #1 protection on the water.
Industry Leading Strength - Mercury provides the longest lasting, strongest protection.
Flagship Corrosion Resistance - New advanced corrosion inhibitors outperform competition and all industry standards. Provides protection against rust and corrosion in wet environments and during off-season storage
Ultimate Wear Protection - Using new, high-tech additive technology, Mercury has 33% greater camshaft wear protection compared to other marine dealers.
Each kit contains all the items needed to change oil in select Mercury 4-Stroke Outboards:
- (1) 25W-40 Marine Engine Oil
- (1) Oil Filter - 822626K03
- (1) Drain Plug Seal - 895146
- Complete instructions printed right on the box
Mercury Oil Change Instructions for 4-Stroke 15/20 Carb
Oil Change Procedure
- Lock the outboard in the full tilt-up position
- Position outboard so the drain hole is facing downward.
- Remove drain plug with a 5/8" or 16mm wrenchand drain engine oil into an appropriate container.
- Note: Do Not use a crankcase oil pump when changing oil or damage may occur.
- After the initial oil has been drained, temporarily reinstall the drain plug. Disengage the tilt lock and lower the outboard.
- Wait 1 minute to allow the remaining oil that was trapped in the engine to return to the drain.
- Return the outboard to the full tilt position and drain the remaining oil.
- Place new seal on the drain plug and lubricate with oil.
Changing Oil Filter
- Positon the outboard in a level operating position.
- Electric Start models - to gain clearance to the oil filter: remove the starter solenoid along with its rubber isolation mount from the metal plate that holds it.
- Place a rag or towel below the oil filter to absorb any spilled oil.
- Unscrew old filter by turning the filter counter-clockwise.
- Clean the mounting base. Apply film of clean oil to the filter gasket. Do not use grease.
- Screw new filter on until gasket contacts base, then tighten 2/3 turn.
- If the starter solenoid was removed, reinstall the starter solenoid and the rubber isolation mount to the metal plate.
Do not try to fill the oil level to the top of the operating range (upper hole).
- Position the outboard in a level operating position.
- Remove the oil fill cap and add oil to the midpoint (middle hole) of the oil level operating range. Adding 1 liter of oil will bring the oil level to the midpoint of the oil level range.
- Reinstall the oil fill cap.
- Idle engine for 5 minutes and check for leaks.
- Stop engine and check oil level on dipstick. Add oil if necessary.
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