How fast is a mercruiser 140

Inspect the engine for an installed hour meter. The meter can usually be found above the engine or somewhere around the steering area of the boat.

The numbers on the meter show how many hours the engine has been in use. If there is no hour meter, one should be installed by a marine mechanic. Boat Motors Are Used Less Often But many people don't take their boat out nearly as often as they drive their car , so it makes sense that marine motors are not built to be used the same way as car engines. This is why you can 't simply use a car engine in place of a boat engine. Mercruiser 3. Merc Parker, Your engine is actually cu in or 3.

The MerCruiser 3. Answer: Every Mercury outboard has a serial number label located on the transom bracket area of the engine. The latest serial number labels display a 2-digit number in a box at the lower right portion of the label. These digits coincide with the last two digits of the year in which the outboard was manufactured. Quicksilver is the same as Mercury.

They only have lubricants and simple maintenance items like impellers and filters. Originally Posted by Parkerbender. I apologize, I should have specified, I already have new marine manifolds.

Thanks, Be, I would have missed that In-line 4 cylinder engines will use a 1. Not very hard to install the side mounts.

I had to repair the side mounts on my 20' Sea Ray because the wood rotted under the fiberglass. I just construction adhesive glued and lag bolted pieces of 4" X 4" to the stringers and glassed them in.

The rear mounts take all the torque, the front just support. Check your rods very carefully; I've seen them bent almost imperceptibly from hydrolocking.

My parents have a 4. I've also worked on a lot of them in trucks at least I assume it's the same chev 4. The series engines use the same bell housing as Chevy V-8s and the 4. All the internal parts are common Chevy either sixes or small block,normal parts sources can supply. Manifold gasket has several options depending on serial.

Lastly, just double checking Will any old 2. Thanks again guys! Big dif is pulley grooves ie 1 or 2. Earlier 2. I have a 73 Opel GT with a Mercruiser. Intake manifold and header kit came from Offenhauser, Keith black pistons machined to fit the head, mechanical cam driven fuel pump,.

I just got it running today, and it sounds bad to the bone! Needless to say, there are plenty of parts available for the merc. Maybe 15 X 21? You have more horsepower than me, so you can turn a bigger screw. MrDumb Seaman. Joined Jun 23, Messages Just a thought you might drop off to many rpms? Going with that big of change in pitch. On my boat I have a 15x17 prop and it runs about 37mph WOT.

It is rated at hp. Joined Oct 31, Messages Bondo Moderator Staff member. Joined Apr 17, Messages 68, Mercruisers are inboard marine engines that are produced by Mercury Marine. Mercruisers were first introduced at the Chicago Boat Show and were the first inboard marine engines that offered over horsepower.

The 3.