1.
Check that no water is present in gear oil.
Gear oil turns to creamy white if mixed with
water invading into gear case.
2.
Check that no fuel leaks in the cowl.
3.
Check that no oil and water leak in the cowl and no water
is present in engine oil.
4.
After test run, use flushing kit or flushing attachment and
fresh water to wash cooling water path by idling engine.
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