Spark Plugs: Specific information regarding the recommended spark plug type and gap for the Mercury Racing 500R is not readily available in the provided sources. For accurate and up-to-date information, it is advisable to consult the engine's official service manual or contact an authorized Mercury Racing dealer.
Engine Oil: Mercury Racing recommends using their 10W-30 MRX full-synthetic engine oil for optimal performance and protection in the 500R outboard engine. This oil is specifically formulated to withstand the extreme heat and stress experienced during high-performance boating.
Gear Oil: For the gearcase, Mercury Racing advises using their 85W-90 Extreme Performance Gear Lube. This full-synthetic formulation helps prevent horsepower loss and is designed to endure high-temperature conditions, providing superior protection against excessive wear.
Adhering to these recommendations and performing regular maintenance will help ensure the longevity and optimal performance of your Mercury Racing 500R engine.
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Engine hp:500 hp