bar and chain combinations
| Chain specifications: 3/8 in. pitch, .05 in. chain gauge |
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| Length of Bar |
| Guide Bar Part Number | Chain Part Number | Drive Links |
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| 14 in. |
| 310625001 | 901212001 | 52 |
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| 16 in. |
| 310626001 | 901212002 | 56 |
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| troubleshooting |
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| Problem |
| Possible Cause |
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| Solution |
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| Engine will not start. |
| No spark. |
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| Clean or replace spark plug. Reset spark plug gap. Refer to Spark |
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| [Make sure ignition |
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| Plug Replacement earlier in this manual. |
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| switch is in the RUN |
| Engine is flooded. |
| With the ignition switch OFF, remove spark plug. Move choke |
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| ( l ) position.] |
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| lever to run position (pushed in completely) and pull starter cord |
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| 15 to 20 times. This will clear excess fuel from engine. Clean and |
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| reinstall spark plug. Set ignition switch to run ( l ) position. Push |
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| and fully release primer bulb 7 times. Pull starter three times with |
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| choke lever at run. If engine does not start, move choke lever to |
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| half choke and repeat normal starting procedure. If engine still |
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| fails to start, repeat procedure with a new spark plug. |
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| Engine starts but will |
| Carburetor requires “L” |
| Contact an authorized service center for carburetor adjustment. |
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| not accelerate prop- |
| (Low Jet) adjustment. |
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| erly. |
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| Engine starts, then |
| Carburetor requires “L” |
| Contact an authorized service center for carburetor adjustment. |
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| dies. |
| (Low Jet) adjustment. |
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| Engine starts but will |
| Carburetor requires “H” |
| Contact an authorized service center for carburetor adjustment. |
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| not run properly at |
| (High Jet) adjustment. |
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| high speed. |
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| Engine does not reach |
| Oil/fuel mixture incorrect. |
| Use fresh fuel and the correct |
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| full speed and/or emits |
| Air filter is dirty. |
| Clean air filter. Refer to Cleaning the Air Filter in the Maintenance |
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| excessive smoke. |
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| section of this manual. |
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| Spark arrestor screen is |
| Clean spark arrestor screen. Refer to Inspecting/Cleaning the Spark |
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| dirty. |
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| Arrestor Screen in the Maintenance section of this manual. |
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| Carburetor requires “H” |
| Contact an authorized service center for carburetor adjustment. |
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| (High Jet) adjustment. |
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| Engine starts, runs, |
| C a r b u re t o r re q u i re s |
| Turn idle speed screw “T” clockwise to increase idle speed. |
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| and accelerates but |
| adjustment | to idle speed. |
| Refer to Adjusting the Carburetor in the Maintenance section of |
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| will not idle. |
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| this manual. |
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| Chain turns at idle. |
| C a r b u re t o r re q u i re s |
| Turn idle speed screw “T” counterclockwise to decrease speed. |
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| adjustment | to idle speed. |
| Refer to Adjusting the Carburetor in the Maintenance section of |
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| this manual. |
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| Air leak in the intake |
| Contact an authorized service center for a rebuild kit. |
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| system. |
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Page 33
