We recommend you keep all engine installation and service records with the owner's manual. There are many things that can cause an engine to fail over which the manufacturer has no control, and are not covered by the manufacturer's service warranty. Holes burned in pistons caused by detonation. Be sure engine is installed and tuned properly. Excessive operating temperatures.
Excessive temperature can be injurious to engine life.
There are many causes for excessive engine temperature over which the manufacturer has no control. Improper or lack of lubricant. Water intrusion from any source outside of manufacturer defect. After that time, fluids are not covered under warranty. Subjecting engine to operations causing greater than normal wear, or used for any purposes for which it was not originally designed, or to engine failures due to improper installation by a party other than the manufacturer, or improper units or parts on engine that were not supplied by the manufacturer and any other causes as herein specified.