How can you tell the difference between a Mercruiser Alpha 1 and Gen 2?
The Alpha Gen II upper and lower housings are fastened together with two through bolts on either side of the drive along with the front and rear bolts, while the Gen 1 drives use one stud visible on either side. Alpha Ones have two studs under the ventilation plate just above the prop.
How do you winterize a Mercruiser inboard outboard?
How to Fully Winterize Inboard Boat Motors in 4 Steps
- Prepare Your Inboard Boat Motor for Winterizing. Fill the tank with gas.
- Add Antifreeze and Spraying Fogging Oils.
- Change the Engine’s Oil and Replace Oil Filter.
- Do a Final Inspection.
Do you leave antifreeze in boat engine?
Do you have to use antifreeze when you winterize your boat? You should use antifreeze to winterize your boat if you have an inboard engine or any systems with pipes or that carry water. You should also consider using it in your bilge. For outboard motors, you don’t have to use antifreeze.
How much horsepower can a MerCruiser Alpha one handle?
300HP
The Alpha drives are rated for up to 300HP. Not really sure of max torque but probably less than 300 ft/lb. Some people have success using the Alpha drives with higher HP & torque by avoiding quick holeshots and taking it easy on the throttle. Our warranty does not cover applications over 300HP.
How do I know if I have an Alpha One outdrive?
The Mercruiser Alpha One Generation I outdrive dating from 1972 through 1983 has a square upper gearcase cap with an eye attached to the 4 1/2-by-4 1/2-inch cap. The Alpha One dating from 1984 to 1992 has the same size upper gear case but lacks the lifting eye on top of the gear case cap.
How do you winterize a MerCruiser closed cooling?
Disconnect the hose from the main tank at the filter. Connect the remote tank and run for five minutes at 1,300 rpm. Shut down and replace the oil, filter and fuel filter. Fully drain the raw-water side of a closed-cooled engine, including the manifolds, seawater pump and heat exchanger.
How long should you flush an inboard motor?
How long should I flush my motors for?
- It varies depending on make/model but as a rough guide 5-10.
- minutes should be enough time to properly flush your motors.
- There’s no harm in flushing them for longer so if you’re unsure you can always keep it going for another five minutes.
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How do I replace the water pump on my Alpha One?
The Alpha One and “R” pumps have a plastic upper housing and the Gen 2 drives have a Stainless housing. Remove the housing nuts and/or screws and lift the housing off the shaft. Remove the impeller, the key and the wear plate. The Alpha One and the “R” drives have plastic water pump bases.
How do I remove the Alpha One Power Steering Drive?
You must first remove the zinc trim tab and then the allan head screw from underneath. The Alpha One has two nuts underneath the ventilation plate. The Gen 2 drive is held together with through bolts on the sides. The two side nuts of the Alpha One are the last to be removed and
How do you winterize a carburetor?
Follow the directions for winterization and fuel stabilization in your engine owner’s manual. Some people prefer to “fog” the engine. With the engine running at a high idle (with a water hose hooked up for cooling of course), slowly pour a quart of Marvel Mystery Oil down the throat of the carburetor.
How do you winterize a car with fuel stabilizer?
Add fuel stabilizer to your fuel tank and run the engine long enough to allow the stabilizer to get into the engine’s fuel system. Follow the directions for winterization and fuel stabilization in your engine owner’s manual. Some people prefer to “fog” the engine.