5/30/2023 0 Comments Johnson outboard partsEngine Oil Drain Plug - Pretty self-explanatory really.Flush Plug - On larger outboards there will be a special opening for 'flushing' the water cooling circuit.The exit point for this cooling circuit is call the Pilot Water Hole. But outboards are an 'open' cooling system so unlike your car instead of the same water being pumped round in a sealed circuit outboards just pump the heated water and dump it back in the water. Pilot Water Hole - Most outboard engines are cooled by permanently pumping water around the main engine block and head.Power Trim or Tilt Switch - Mechanical lever to adjust the rake angle of the outboard in the water depending on the tender or boat hull design in order to maximise the efficiency of the engine thrust being placed into the water by the propeller.And yourself from the engine and all that heat and electrics. Motor Cover or 'Cowling' - U/V resistent plastic cover desgined to protect the main engine compartment from the elements.Power Trim switch) but for most outboards will have the following: Not all outboards will have all of these componets (e.g. New to Outboard Engines? Here's our beginners guide to the main components and what they do. Guide to Outboard Parts Beginners Guide to the main components of an Outboard Engine
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