
ENGINE
SRemove spark plug and pour 1 teaspoon of 40:1, 
the spark plug opening. Slowly pull the starter rope 8 to 10 times to distribute oil.
SReplace spark plug with new one of recom-
mended type and heat range.
SClean air filter.
S Check entire unit for loose screws, nuts, and bolts. Replace any damaged, broken, or worn parts.
S At the beginning of the next season, use only fresh fuel having the proper gasoline to oil ratio.
OTHER
SDo not store gasoline from one season to another.
S Replace your gasoline can if it starts to rust.
TROUBLESHOOTING TABLE
WARNING: Always stop unit and disconnect spark plug before performing all of the recommended remedies below except remedies that require operation of the unit.
| 
 | TROUBLE | CAUSE | REMEDY | ||
| 
 | Engine will not | 1. Engine flooded. | 1. See “Starting a Flooded Engine” in | ||
| 
 | start. | 2. Fuel tank empty. | 
 | Operation Section. | |
| 
 | 
 | 2. Fill tank with correct fuel mixture. | |||
| 
 | 
 | 3. Spark plug not firing. | 3. Install new spark plug. | ||
| 
 | 
 | 4. Fuel not reaching | 4. Check for dirty fuel filter; replace. | ||
| 
 | 
 | 
 | carburetor. | 
 | Check for kinked or split fuel line; | 
| 
 | 
 | 5. Carburetor requires | 
 | repair or replace. | |
| 
 | 
 | 5. See “Carburetor Adjustment” in | |||
| 
 | 
 | 
 | adjustment. | 
 | Service and Adjustments Section. | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
| 
 | Engine will | 1. | Carburetor requires | 1. | See “Carburetor Adjustment” in | 
| 
 | not idle | 
 | adjustment. | 
 | Service and Adjustments Section. | 
| 
 | properly. | 2. | Crankshaft seals worn. | 2. | Contact an authorized service dealer. | 
| 
 | 
 | 3. | Compression low. | 3. | Contact an authorized service dealer. | 
| 
 | Engine will not | 1. | Air filter dirty. | 1. | Clean or replace air filter. | 
| 
 | accelerate, | 2. Spark plug fouled. | 2. | Clean or replace plug | |
| 
 | lacks power, | 3. | Carburetor requires | 
 | and regap. | 
| 
 | or dies under | 3. | See “Carburetor Adjustment” in | ||
| 
 | a load. | 
 | adjustment. | 
 | Service and Adjustments Section. | 
| 
 | 
 | 4. | Carbon  | 4. | Contact an authorized service dealer. | 
| 
 | 
 | 
 | muffler outlet screen. | 
 | 
 | 
| 
 | 
 | 5. | Compression low. | 5. | Contact an authorized service dealer. | 
| 
 | Engine | 1. | Choke partially on. | 1. | Adjust choke. | 
| 
 | smokes | 2. | Fuel mixture incorrect. | 2. | Empty fuel tank and refill with | 
| 
 | excessively. | 3. | Air filter dirty. | 
 | correct fuel mixture. | 
| 
 | 
 | 3. | Clean or replace air filter. | ||
| 
 | 
 | 4. | Carburetor requires | 4. | See “Carburetor Adjustment” in | 
| 
 | 
 | 
 | adjustment. | 
 | Service and Adjustments Section. | 
| 
 | Engine runs | 1. Fuel mixture incorrect. | 1. | See “Fueling Engine” in Operation | |
| 
 | hot. | 
 | 
 | 
 | section. | 
| 
 | 
 | 2. Spark plug incorrect. | 2. | Replace with correct spark plug. | |
| 
 | 
 | 3. Carburetor requires | 3. | See “Carburetor Adjustment” in | |
| 
 | 
 | 
 | adjustment. | 
 | Service and Adjustments Section. | 
| 
 | 
 | 4. Carbon  | 4. | Contact an authorized service dealer. | |
| 
 | 
 | 
 | muffler outlet screen. | 
 | 
 | 
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