The RPM range for a MerCruiser 260 motor typically spans from 400 to 4,600 RPM. The engine is designed to operate efficiently within this range, with peak horsepower generally achieved around 4,200 to 4,600 RPM. It's important to consult the specific owner's manual or manufacturer specifications for the exact RPM limits for your model.
The maximum RPM for a MerCruiser 260 engine typically ranges between 4400 to 4800 RPM, depending on the specific model and configuration. It's important to consult the engine's manual or specifications for precise limits, as factors like propeller selection and boat load can affect performance. Always ensure the engine operates within its recommended RPM range to maintain optimal performance and longevity.
my manual says 4200rpm to 4600rpm at full throttle
A STANDARD MERCRUISER 2 BBL V6 PUT'S OUT 190 HP. A 4BBL V6 PUT'S OUT 210 HP. A TBI V6 PUT'S OUT 230. AND THE BEST FOR LAST A V6 MERCRUISER EQUIPED WITH THE M.E.F.I. 3,4,AND 5 MULTIPORT INJECTION WILL PUT OUT 260 HP. WITH A LITTLE TWEEKING YOU CAN SQUEEZE MORE OUT OF THAT GREAT LITTLE BLOCK! A MERCRUISER LONG BLOCK MAY BE THE SAME ON THE OUTSIDE AS WHAT YOU WOULD FIND IN A VEHICLE, BUT THE VALVETRAIN IS DIFFERENT IT USES HYDROLIC LIFTERS AND IS MORE OF A HEAVY DUTY SYSTEM. A MERCRUISER IS DEIGNED TO RUN AT 4600 RPM (WOT) ALL DAY! YOUR TRUCK WOULD PUKE IF YOU TRIED DOING THAT. WAZ-2 PRESPHIAMARINE.COM
Mercruiser buys engines from many suppliers, including Chevrolet.
The 2006 Acura TL's engine produces 233 ft-lbs. @ 5000 rpm.
The 2007 Acura TL's engine produces 233 ft-lbs. @ 5000 rpm.
The 2011 Hyundai Azera's engine produces 233 ft-lbs. @ 4500 rpm.
The 2008 Acura TL's engine produces 233 ft-lbs. @ 5000 rpm.
The correct timing for a Mercruiser 3.0L 140 engine is 6 degrees BTDC. for a Mercruiser 120 the correct timing is 8 degree BTDC.
Timing for Mercruiser 470 is 8 BTDC at idle speed. Mercruiser Service Bulletin specifies 4 degrees BTDC, due to new gasoline formulation.
The official website, Mercruiser Parts will easily enable one to find spare parts for their Mercury Mercruiser. Alternatively, there can be any number of people selling spare parts on eBay.