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Changing the Oil Filter
Replace the oil filter (Figure 25) after every 100
operating hours or yearly, whichever comes first.
Figure 25
1. Oil lter
1. Run the engine to warm the oil.
Oil may be hot after the engine has been
run, and contact with hot oil can cause
severe personal injury.
Avoid contacting the hot engine oil when
you drain it.
2. Stop the engine and wait for all moving parts
to stop.
3. Disconnect the wire from the spark plug
(Figure 14).
4. Drain the engine oil; refer to Changing the
Engine Oil.
5. Place a rag under the oil filter to catch any oil
that may leak out as you remove the filter.
6. Remove the oil filter.
7. Use your finger to coat the gasket on the new
filter with oil (Figure 26).
2. Fuel line
Figure 26
1. Gasket
8. Install the new filter and hand tighten it 2/3
turn only.
9. Fill the crankcase to the Full line on the
dipstick with fresh oil Refer to Filling the
Crankcase with Oil.
10. Connect the wire to the spark plug.
11. Run the engine for about 3 minutes.
12. Stop the engine, wait for all moving parts to
stop, and check for oil leakage around the filter.
13. Add oil to compensate for the oil in the oil
filter. Refer to Checking the Engine Oil Level.
14. Recycle the used oil filter according to local
codes.
Servicing the Spark Plug
Check the spark plug after every 100 operating
hours. Use an NGK BPR5ES spark plug or
equivalent.
1. Stop the engine and wait for all moving parts
to stop.
2. Disconnect the wire from the spark plug
(Figure 14).
3. Clean around the spark plug.
4. Remove the spark plug from the cylinder head.
Important: Replace a cracked, fouled,
or dirty spark plug. Do not clean the
electrodes because grit entering the
cylinder can damage the engine.
5. Set the gap on the plug to 0.030 in. (0.76 mm)
(Figure 27).
22
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