135-Hour Maintenance
Every 135 hours of operation
Remove and clean the muffler.
WARNING!
Never operate the unit with a damaged or missing muffler or spark arrester! Operating with missing or damaged ex- haust components is a fire hazard and could also damage your hearing.
1.Remove the muffler cover from the engine.
2.Remove the two 5 mm muffler screws. Remove the lower muffler screw, then lift the muffler assembly from the en- gine. See Figure 29.
3.Remove the rear muffler shield bolt. While noting the orientation of parts, separate the muffler shields. See Figure 29.
4.Remove the spark arrester screen and clean with a stiff bristle brush.
5.Gently tap the muffler on a wood surface to dislodge any loose carbon.
Rear Muffler |
| Forward | |
Shield |
| ||
Spark | Muffler | ||
| |||
| Arrester | Shield | |
| Screen |
| |
|
| 5 mm Muffler | |
|
| Screws | |
Gasket | 26139 |
| |
|
| ||
Rear Muffler |
| Lower Muffler | |
Shield Bolt | Muffler | Screw | |
Figure 29 | Catalyst Muffler |
| |
|
|
6. Inspect the cylinder exhaust port for | 7. Reassemble the muffler in the reverse |
carbon buildup. | order of disassembly. |
IMPORTANT!
If you note excessive carbon buildup, con- sult with an authorized servicing dealer.
Long Term Storage
Whenever the unit will not be used for 30 days or longer, use the following procedures to prepare it for storage:
Clean external parts thoroughly.
Drain all the fuel from the fuel tank.
IMPORTANT!
All stored fuels should be stabilized with a fuel stabilizer such as
To remove the remaining fuel from the fuel lines and carburetor with the fuel drained from the tank;
1.Prime the primer bulb until no more fuel is passing through the return tube.
2.Start and run the engine until it stops running.
3.Repeat steps 1 and 2 until the engine will no longer start.
CAUTION!
Gasoline stored in the carburetor for extended periods can cause hard start- ing, and could also lead to increased service and maintenance costs.
Remove the spark plug and pour about 1/4 ounce of
Slowly pull the recoil starter 2 or 3 times so oil will evenly coat the interior of the engine. Reinstall the spark plug.
Before storing the machine, repair or replace any worn or damaged parts.
Remove the air cleaner element from the carburetor and clean it thoroughly with soap and water. Let dry and reassemble the element.
Store the machine in a clean,
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