LEHR 2.5 HP 4-STROKE - Manual (Page 20)

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MAINTENANCE
Recommended engine oil: 10W - 30
4-stroke outboard motor oil
Engine oil quantity:
5. Start the engine and watch to see oil in the sight glass. Make sure that there are no oil leaks.
Continued operation with a problem could cause severe engine damage.
6. Turn off the engine and wait 3 minutes. Recheck the oil level using the sight glass. The oil level should
cover the metal plate visible just below the sight glass lens, but not so high as to touch the inside of
the glass.
7. Dispose of used oil according to local regulations.
NOTE: Change the oil more often when operating the engine under adverse conditions such as extended
trolling.
CHECKING WIRING AND CONNECTORS
• Check that each grounding wire is properly secured.
• Check that each connector is engaged and secured.
EXHAUST LEAKAGE
Start the engine and check that no exhaust leaks from the joints between the exhaust cover, cylinder
head, and cylinder.
WATER LEAKAGE
Start the engine and check that no water leaks from the joints between the exhaust cover, cylinder head,
cylinder, thermostat housing, and thermostat hose.
CHECKING PROPELLER
WARNING: You could be seriously injured if the engine accidentally starts when you are near the propeller.
Before inspecting, removing, or installing the propeller, remove the spark plug cap from the
spark plug. Also, place the shift control in neutral, and remove the lanyard from the engine stop
switch.
OIL LEVEL
SIGHT GLASS
OIL FILLER CAP
0.37 US qt ( 0.35L)
• Check each of the propeller blades for wear, erosion from cavitation, or other damage.
• Check the propeller shaft for damage.
• Check the splines for wear or damage.
• Check for fish line tangled around the propeller shaft.
• Check the propeller shaft oil seal for damage.
REMOVING THE PROPELLER
1. Straighten the cotter pin and pull it out using a pair of pliers.
2. Remove the propeller nut and washer.
3. Remove the propeller and thrust washer.
1. COTTER PIN
2. PROPELLER NUT
3. WASHER
4. PROPELLER
5. THRUST WASHER
6. PROPELLER SHAFT AND SPLINES
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