Generac XP6500E User Manual

Use a damp cloth to wipe exterior surfaces clean.

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A soft, bristle brush may be used to loosen caked on dirt, oil, 

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etc.

A vacuum cleaner may be used to pick up loose dirt and 

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debris.

Low pressure air (not to exceed 25 psi) may be used to 

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blow away dirt. Inspect cooling air slots and openings 

on the generator. These openings must be kept clean and 

unobstructed.

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See the “BEFORE STARTING THE GENERATOR” section for 

information on checking the oil level. The oil level should be 

checked before each use, or at least every eight hours of operation. 

Keep the oil level maintained.

Change the oil and filter after the first 30 hours of operation. 

Change the oil every 100 hours or every season thereafter. If 

running this unit under dirty or dusty conditions, or in extremely 

hot weather, change the oil more often.



Clean area around oil drain plug.

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Remove oil drain plug from engine and oil fill plug to drain oil 

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completely into a suitable container.

When oil has completely drained, install oil drain plug and 

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tighten securely.

Place a suitable container beneath the oil filter and turn 

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filter counterclockwise to remove. Discard according to local 

regulations.

Coat gasket of new filter with clean engine oil. Turn filter 

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clockwise until gasket contacts lightly with filter adapter. Then 

tighten an additional 3/4 turn.

Fill oil sump with recommended oil. (See “Before Starting the 

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Generator” for oil recommendations).

Wipe up any spilled oil.

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Dispose of used oil at a proper collection center.

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Use Champion RC14YC spark plug or equivalent. Replace the 

plug once each year. This will help the engine start easier and 

run better.

1.  Stop the engine and pull the spark plug wire off of the spark 

plug.

2.  To gain access, remove the four (4) Torx screws "T27" and 

take off side panel.

3.  Clean the area around the spark plug and remove it from the 

cylinder head.

4.  Set the spark plug's gap to .76 mm (0.030 in.). Install the 

correctly gapped spark plug into the cylinder head (Figure 

14).

5.  Push the boot firmly on the spark plug and install side panel.

The engine will not run properly and may be damaged if using a 

dirty air cleaner. Clean or replace the air cleaner paper filter once 

a year (Figure 15). Clean or replace more often if operating under 

dusty conditions.