Engine Assembly of Johnson/Evinrude Powerheads

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• Install .0002" larger jets in carburetors.

• Max timing MUST be retarded 2 degrees.• Max timing MUST be set with engine running over 4500 RPM & under load. DO NOT STATIC SET MAX TIMING.

• Re-torque cylinder heads to specs.

• After 1 hour of break-in, allow engine to cool and retorque heads.

• On 3 Cylinder engines, replace water pump with new high pressure water pump.

• On 3 Cylinder engines, drill and relocate overboard sensors.

• On 3 Cylinder engines, check latest OMC service bulletins and jet carburetors accordingly. THIS IS VERY IMPORTANT.

• Use 92-94 octane premium fuel.

• Clean and refill oil tank with TCW-3 oil.

• Mark oil tank to verify oil comsumption during double oil usage of break-in period.

• Run double oil during the first 30 gallons of fuel.

• If running oil injection use 1 pint oil per 6 gallons gas.

• If no oil injection, use 1 quart oil per 6 gallons gas.

• Crowley Marine recommends installing water pressure gauge to monitor water flow.

• Crowley Marine suggests removal of oil injection system or updating to latest VRO pump.

• Crowley Marine recommends you replace water pump and gasket at time of powerhead replacement and every 2 years afterwards.