WATER PUMP IMPELLER KIT, P/N 5008185
Use this instruction sheet when installing the above water pump impeller kit
on 2009 and newer Evinrude E-TEC® 25 – 30 HP outboards. DO NOT install on any
The following symbols and/or signal words may be used in this document:
Indicates a hazardous situation which, if not avoided, will result in death or serious injury.
Indicates a hazardous situation which, if not avoided, could result in death or serious injury
Indicates a hazardous situation which, if not avoided, could result in minor or moderate personal injury.
NOTICE Indicates an instruction which, if not followed, could severely damage engine components or other property.
These safety alert signal words mean:
YOUR SAFETY IS INVOLVED!
For safety reasons, this kit must be installed by an authorized Evinrude®/Johnson® dealer. This instruction sheet is not a substitute for work experience. Additional helpful information may be found in other service literature.
DO NOT perform any work until you have read and understood these instructions completely.
Torque wrench tightening specifications must strictly be adhered to.
Should removal of any locking fastener (lock tabs, locknuts, or patch screws) be required, always replace with a new one.
When replacement parts are required, use Evinrude/Johnson Genuine Parts or parts with equivalent characteristics, including type, strength and material. Use of substandard parts could result in injury or product malfunction.
Always wear EYE PROTECTION AND APPROPRIATE GLOVES when using power tools.
Unless otherwise specified, engine must be OFF when performing this work.
Always be aware of parts that can move, such as flywheels, propellers, etc.
Some components may be HOT. Always wait for engine to cool down before performing work.
If you use procedures or service tools that are not recommended in this instruction sheet, YOU ALONE must decide if your actions might injure people or damage the outboard.
This instruction sheet may be translated into other languages. In the event of any discrepancy, the English version shall prevail.
TO THE INSTALLER: Give this sheet and the operating instructions to the owner. Advise the owner of any special operation or maintenance information contained in the instructions.
TO THE OWNER: Save these instructions in your owner’s kit. This sheet
contains information important for the use and maintenance of your engine.
WATER PUMP IMPELLER KIT
2011 and Newer Models
Install only the impeller assembly and key. Discard the springs.
2010 and Older Models
Install the impeller assembly and key. Refer to the appropriate Service Manual or the instruction sheet provided with water pump repair kit, P/N 5008191. Additionally, install the pressure relief valve and thermostat springs provided in this kit.
NOTICE Failure to install impeller assembly and springs as a set can result in:
A cold running engine, if the impeller is installed without the pressure relief valve and thermostat springs.
An engine overheat, if the pressure relief valve and thermostat springs are
installed without the new impeller.
Remove four screws.
Remove thermostat and pressure valve cover from cylinder head. Remove pressure valve assembly.
Remove spring, thermostat, and thermostat gasket.
Inspect all parts for cracks, heat damage, or signs of corrosion. Replace damaged parts. Clean debris from housing and parts.
Remove screw from plunger. Remove plunger and spring from pressure valve plate.
Assembly is the reverse of disassembly. Pay close attention when performing the following tasks.
Install spring, P/N 355169 on plunger. Align plunger to pressure valve plate. Place diaphragm and support on pressure valve plate. Install screw.
IMPORTANT: Turn self-tapping screw counter clock-wise to start the threads. Then turn screw clockwise to tighten. Failure to follow this procedure can damage the threads of the plunger.
Tighten screw securely.
Apply a light coat of Gasket Sealing Compound to the o-ring and place in the groove in the pressure valve plate.
Install thermostat gasket, thermostat and spring, P/N 355209 into thermostat housing.
Install pressure valve assembly into housing. Install thermostat and pressure valve cover on cylinder head.
Apply Nut Lock to screw threads. Tighten screws to a torque of 84 to 106 in. lbs. (9.5 to 12 Nm).
Start outboard. Check water pump operation. Check engine operating temperature. Refer to appropriate Service Manual for engine temperature check procedure.
NOTICE DO NOT run outboard without a water supply to the outboard’s cooling system. Cooling system and/or powerhead damage could occur. Be sure the water intake screens are below the water surface.