Simplicity CFC Series Operator's Manual page 25

Troubleshooting
^ropiem______ Cause/Remedy _____
2. Engine starts hard or runs poorly. A. Fuel mixture too rich. Clean air filter. Check choke adjustment
(engine speed control). See engine manual.
B. Carburetor adjusted incorrectly. See engine manual.
C. Spark plug{s) faulty, fouled, or incorrectly gapped. Clean and gap
or replace. See engine manual.
_ D. Fuel filter clogged. Clean or replace. See Normal Care section._
3. Engine knocks. A. Low oil level. Check/add oil as required.
_____B. Using wrong grade oil. See engine manual._
4. Excessive oil consumption. A. Engine running too hot. Clean engine fins, blower screen and air
cleaner.
B. Using wrong weight oil. See engine manual.
_____G. Too much oil in crankcase. Drain excessive oil._
5. Engine exhaust is black. A. Dirty air filter. Clean air filter. See engine manual.
_ B. Check choke adjustment. See engine manual._
6. Engine runs, but rider will notdrive. A. Transmission releaseleversin"tow"position. Moveinto"drive"position.
B. Belt is broken. See "Drive Belt Replacement".
(See Adjustments section.)
-----C. Drive belt slips. (See problem and cause below.)_
7. Rider drive belt slips. A. Clutch is out of adjustment. See your dealer.
-—- B. Belt stretched or worn. Replace with correct belt.
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