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 (Fig. 10).
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) (Fig. 28).
1
Figure 28
1. 0.030 in. (0.76 mm)
6.Install the spark plug and the gasket seal.
7.Torque the plug to 17
8.Connect the wire to the spark plug.
Changing the Oil Filter
Replace the oil filter (Fig. 29) after every 100 operating hours or yearly, whichever comes first.
1 | 2 | |
|
| |
| Figure 29 |
|
1. Oil filter | 2. Fuel line |
|
|
|
|
1.Run the engine to warm the oil.
Warning
Oil may be hot after the engine has been run, and contact with hot oil can cause sever 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 (Fig. 10).
4.Drain the engine oil; refer to Changing the Engine Oil on page 16.
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 clean engine oil (Fig. 30).
1
m3862
Figure 30
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 on page 8.
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 on page 15.
14.Recycle the used oil filter according to local codes.
20
