Some boat owners in Singapore barely put 100 hours on their motor in the course of a year, and because they don’t use it often, they may overlook the standard maintenance and procedures that will help to increase the longevity and performance of the outboard.

On the  other hand, there are also fishing guides and boatmen who may clock over 1,000 hours on the water in under two years and these folks need their outboard to be in the best possible shape at all times.

Using the Suzuki outboard motor as an example, the engine’s distributor YMC Marine highlights the key servicing points to ensure that it will not falter on the water.

The 100-hour guideline

Just like most four stroke outboard engines, it is important to service them periodically.

Outboard motors should be maintained every 100 hours on the water. At this juncture, it is necessary to change the engine oil, oil filter, and do a diagnostics check using a computer software.

Not many boat owners have access to such technology, but a servicing crew can do these checks easily.

The anodes must also be cleaned out because regular exposure to  the environment will cause them to oxidise and fail to perform their duties.

If this happens, seawater will start to “eat up” the engine block and also damage other parts of the engine.

To prevent these from happening, simply remove the anodes and buff them with a stiff wire brush to get rid of any impurities.

Replace the anodes if they are already worn off.

Lastly, do not forget to check the spark plugs–most factories recommend to change them after 200 hours of usage.

Flushing

Another essential part of maintaining the engine is to flush it with fresh water after every use, and every once in a while if you do not use it often.

Flushing of the engine helps to prevent salt build-up in the water jacket, which plays a very important role in cooling the engine.

It also helps to prevent overheating and corrosion.

Just fit in the flushing muffs over the engine’s water intakes on the sides of the gear case, connect it to a garden hose, turn on the water, start the engine and let it run for a few minutes.

In some of the Suzuki’s engines, they have a built-in fresh water flushing port.

With this port, you can connect it to a garden hose, turn on the water and that’s it!

You do not have to start the engine.

TIPS

  • Use WD40 lubricant for external cleaning.
  • Choose the engine based on boat’s capabilities.
  • When driving the boat, make sure water is spurting out of the engine.
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