Hello guys
I have a new 300 R and have a question. Which is the minimum water pressure required in high speed to avoid
any malfunctions or damages in the engine( is a sportmaster)
thank you
Hello guys
I have a new 300 R and have a question. Which is the minimum water pressure required in high speed to avoid
any malfunctions or damages in the engine( is a sportmaster)
thank you
Recommend bare minimum of 15 psi (preferably 18+ for safe measure in turns).
Engine can run at lower pressures, but the above provides for consistent cooling.
Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
Mercury Parts, Mercury Outboards, Smartcraft & Accessories, Injector Service, TDR Reeds- BBC Sponsor
I have run 10 psi on my 300R WOT without any overheating issues. Straight line, a few miles, no turns.
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