RP motorolje har blitt godkjent av NMMA sammen med 3 andre olje firmaer. 

Her er kopi av det som skrives på RP sidene:

 GET YOUR BOAT READY FOR THE WINTER Tuesday, October 2nd, 2012 | Maintenance Tips 
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Gear Lube
We offer the GM petroleum based gear lube, which is specified by Eaton for use with their carbon fiber clutch pack. We also like Mobil One 75-90 gear lube because it reduces differential oil temperatures compared to the GM lube. The best oil we have ever tested is Royal Purple. It has a film strength second to none. We use it in our racecars. We refer to it as MPH oil, because it makes a difference in our top end speed. 

One of the most important components of getting your boat ready for the winter months is winterizing your engine.

If you haven’t changed your oil since the end of last season, now is the time. After a summer of use, it is likely that water, acids and other byproducts have built up. Changing the oil can prevent corrosion and excessive wear which can result in several negative issues including loss of power, poor fuel economy or engine failure. We also recommend changing your oil filter at this time as well.

Boaters looking for the best protection for their engines can now use Royal Purple’s new line of NMMA FC-W Catalyst Compatible® multi-vis 30-weight and 40-weight, four-stroke High Performance Marine (HPM) engine oils.

FC-W Catalyst Compatible® designation is given by the National Marine Manufacturer’s Association (NMMA) for oils that have been tested, and have exceeded the performance requirements of bench tests for viscosity, corrosion, filter plugging, foaming and aeration.

FC-W® (CAT) licensed oils must successfully pass a 100-hour general performance engine test. Currently, there are only six marine engine oils that meet this standard including Royal Purple’s multi-vis 30 and 40 weight oils.

These new marine oils carry the same proven performance and product benefits that Royal Purple brand is synonymous for with their advanced additive lubricant technology, Synerlec®.

The Synerlec creates an ionic bond that adheres to metal parts to provide continuous protection even at start-up and strengthens the oil to provide unparalleled performance and protection. It provides high film strength that prevents contact between metal parts and improves sealing inside the engine for more complete combustion and dramatically reduced wear. Royal Purple remains on the metal surface long after ordinary lubricants would have been squeezed out by pressure and heat. Over time, the metal surface becomes extremely smooth and can even develop a mirror-like surface. The first image illustrates a new bearing magnified 1500 times. The second is a bearing after using leading synthetic, and the third is a bearing after using Royal Purple.

You will also want to flush the cooling system and replace the antifreeze with a 50/50 ratio of water to coolant. If your boat has a closed cooling system we recommend Royal Purple’s coolant additive Purple Ice. Purple Ice maintains a cleaner system, prevents overheating, and extends the life of the water pump. It provides 100% corrosion protection, no matter what type of coolant is used.

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