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WARNING: Always stop unit and disconnect spark plug before performing all of the recommended remedies below except remedies
that require operation of the unit.
When you have checked all the possible causes listed and you are still experiencing the problem, see your Servicing Dealer. If you are experiencing a problem that
is not listed in this chart, see your Servicing Dealer for service.
PROBLEM
Engine will not start or will run only a few
seconds after starting. (Make sure Ignition
switch is in start position "I")
Engine starts but will not accelerate properly or
will not run properly at high speed.
Engine does not reach full speed and / or emits
excessive smoke
Engine starts, runs and accelerates but will not
idle.
Bar and Chain Running Hot and Smoking
Engine starts and runs, but chain is not rotating
WARNING: Never touch the chain while
the engine is running
TROUBLESHOOTING CHART
POSSIBLE CAUSE
1. No spark
2. Flooded engine
Carburetor requires adjustment
1. Check oil fuel mixture
2. Air filter dirty
3. Carburetor requires adjustment
Carburetor requires adjustment
1. Chain oil tank empty
2. Chain tension too tight
3. Oiler function
1. Chain brake engaged
2. Chain tension too tight
3. Guide bar and chain assembly
4. Chain and/or guide bar damaged
5. Clutch drum and/or rim sprocket damaged
SOLUTION
1. Watch for spark at spark plug tip. If there is no spark, repeat test with a new
spark plug (RCJ-4)
2. Follow procedure page 20. If engine still fails to start, repeat procedure with a
new spark plug
Contact a Servicing Dealer for carburetor adjustment
1. Use fresh fuel and the correct 2-cycle oil mix
2. Clean per instruction in Maintenance-Air Filter Section
3. Contact a Servicing Dealer for carburetor adjustment
Turn idle speed screw "T" (Fig. 84, pag.39) clockwise to increase idle
speed.See Operation-Carburetor Adjustment
1. Oil tank should be filled every time that fuel tank is filled
2. Tension chain per instructions in Operation-Chain Tension section (Pag.12)
3. Run at full throttle 15 to 30 seconds. Stop saw and check for oil dripping from
bar tip guard and guide bar. If oil is present the chain may be dull or bar may
be damaged. If no oil contact a Servicing Dealer
1. Release chain brake, see Operation-Chain Brake Section (Pag.26)
2. Tension chain per instructions in Operation-Chain Tension section (Pag.12)
3. Refer to Assembly-Assembling the Bar and Chain Section (Pag.12)
4. Refer to Maintenance-Chain and/or Maintenance-Guide Bar Section (Pag.34)
5. Replace if necessary - contact a Servicing Dealer
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