We recommend all service and adjustments not listed in this manual be performed by an Authorized Service Dealer.
CARBURETOR ADJUSTMENTS
Your carburetor is equipped with limiter caps. Damage will occur if you turn the needles be- yond the limiter stops. Carburetor adjustment is a complicated task. We recommend that you take your unit to an Authorized Service Dealer.
IGNITION TIMING
The ignition timing is fixed,
SPARK PLUG
Replace the spark plug yearly using a Cham- pion
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Call
Need Service Part?
Contact your dealer.
TROUBLESHOOTING TABLE
WARNING: Always stop unit and disconnect spark plug before performing any of the recommended remedies below other than remedies that require operation of the unit.
TROUBLE | CAUSE |
| REMEDY | |
Engine will not | S | Engine flooded. | S | See “Starting.” |
start. | S | Fuel tank empty. | S | Fill tank with correct fuel mixture. |
| S | Spark plug not firing. | S | Install new spark plug. |
| S | Fuel not reaching carburetor. | S | Check for dirty fuel filter; replace. |
|
|
|
| Check for kinked or split fuel line; |
|
|
|
| repair or replace. |
| S | Carburetor requires adjustment. | S | See “Carburetor Adjustments.” |
Engine will not | S | Carburetor requires adjustment. | S | See “Carburetor Adjustments.” |
idle properly. | S | Throttle trigger screw too | S | Loosen screw. |
|
| tight. |
|
|
Engine will not | S | Air filter dirty. | S | Clean or replace air filter. |
accelerate, | S | Spark plug fouled. | S | Clean or replace spark plug; |
lacks power, | S | Carburetor requires adjustment. | S | See “Carburetor Adjustments.” |
or dies under |
|
|
|
|
a load. |
|
|
|
|
Engine | S | Fuel mixture incorrect. | S | Empty fuel tank and refill with |
smokes |
| Air filter dirty. |
| correct fuel mixture. |
excessively. | S | S | Clean or replace air filter. | |
| S | Carburetor requires adjustment. | S | See “Carburetor Adjustments.” |
Line does not | S | Line improperly routed in head. | S | Check line routing. |
advance or | S | Line improperly wound on | S | Rewind line tightly and evenly. |
breaks while |
| spool. |
| Use only 0.080” (2 mm) dia. line. |
cutting. | S | Line size incorrect. | S | |
Line welds | S | Line size incorrect. | S | Use only 0.080” (2 mm) dia. line. |
onto spool. | S | Incorrect spool. | S | Replace with correct spool. |
| S | Line is being crowded against | S | Cut with tip of line fully extended. |
|
| material being cut. |
|
|
Line pulls | S | Too little line outside of head. | S | Remove spool and pull 4 inches |
back into |
|
|
| (10 cm) of line outside of head. |
head. | S | Line size incorrect. | S | Use only 0.080” (2 mm) dia. line. |
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|
|
|
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