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10 maj 2023 · I am experiencing the same oil leak problem on my nearly new 5 HP Honda outboard. On the first visit the dealer said that I had tilted the motor head more than 30 degrees back towards the rear of the motor.
If the engine fails to start, remove the spark plugs, clean and dry the electrodes, then reinstall the spark plugs and attempt to start the engine again. If used engine oil showed signs of water contamination, then a second engine oil change should be performed after running the engine for 1/2 hour.
7 kwi 2004 · i have heard that these engines can develop a hairline crack in the exhaust manifold which leaks exhaust gas into the area under the cover and eventually deprives the engine of oxygen. i have certainly found that taking the cover off when it stalls seems to prevent the problem recurring.
21 sty 2012 · Tried a new ignition coil and a different CDI, individually and together. Still no spark. Oil level OK, about in the middle of the dipstick. Can find no problems in the wiring harness. Every connection re-checked and re-checked again.
On mid and high range outboard engines: Check the tightness of the battery cable and connection. Check the engine for oil leaks. Check each operating part. Check the engine's starting ability, the engine sounds normal, check the cooling water hole. Check the water separator.
Owners' Manuals. Need help finding your serial number? B75-2000105 through 2999999. B75-3003041 through 3999999. B75-4000001 through 9999999. Download Honda Marine owners' manuals for the BF75 (7.5hp).
