Volvo always encourages the owners of their Penta motors and stern drives, including the 3.0 L Volvo Penta, to bring them back to the dealer for servicing and preparation for winter storage. Volvo freely provides materials, however, for the independent boaters who do their own winter layups. The winterisation instructions found in the owner's manual for your boat engine give general directions for the process, but the nuts and bolts are found in the "Lay-up and Launching Guide."
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Things you need
- Fuel stabiliser
- Fogging oil
- Oil change pump
- Replacement oil filter cartridge
- Oil drain pan
- Stern drive oil
- Garden hose
Fill the fuel tank, adding 28.4gr. of fuel stabiliser per gallon of gasoline. Spend at least two hours boating, to ensure the stabiliser runs through the motor's fuel system.
Remove the dipstick from the motor and insert the probe of the oil change pump into the dipstick tube -- on the forward, port side of the engine -- until you feel the probe "touch bottom." Operate the pump until the oil is drained from the motor. Remove the oil filter, replace the cartridge and replace the filter.
While the engine is still warm from operating, remove the propeller following the procedure specified in the Owner's Manual for the type of propeller used on your Penta 3.0L engine and lower the stern drive unit to the operating position. Place an oil drain pan beneath the screw-in plug on the bottom of the gear case -- the propeller shaft protrudes from the gear case -- and remove the plug. Unscrew and remove the dipstick on top of the stern drive unit, and allow the oil to drain from the gear case.
Replace the screw-in plug on the bottom of the gear case. Unscrew the filler plug located behind the stern drive dipstick. Add oil to the stern drive through the filler opening. Screw the dipstick into place on the stern drive.
Lift up on the latch at the rear of the engine cowl and remove the cowl from the motor. Look on the starboard side front of the engine for the flushing port connector, connect a garden hose to the port, turn the water on and allow the water to continue running for 10 minutes or more.
Tips and warnings
- If you have a 3.0 Penta that's not fuel-injected, remove the cowling from the motor while the boat is on the trailer with motor is running and spray fogging oil into the carburettor until the engine dies. Turn off the ignition switch, haul your boat out of the water and put the motor cover back on before you leave the area.
- Have your owner's manual and the Volvo "Lay-up" manual readily available while winterising the motor.
- Owner's manuals for many of the variations of the 3.0 L Volvo Penta are available online at the Volvo Penta website.
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