R2000H — TROUBLESHOOTING (ENGINE)
TABLE 7. ENGINE TROUBLESHOOTING
SYMPTOM | POSSIBLE PROBLEM | SOLUTION | |
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Difficult to start |
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Fuel is available but spark plug will | Ignition plug being bridge? | Check ignition system. | |
not ignite. (Power available at high |
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tension cable). | Carbon deposit at ignition? | Clean or replace ignition. | |
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| Short circuit due to defective | Replace insulators. | |
| insulators? |
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| Improper spark gap? | Set spark plug gap to the correct gap. | |
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Fuel is available but spark plug will | Short circuit at stop switch? | Check stop switch circuit. Replace stop switch if defective. | |
not ignite. (Power NOT available at |
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high tension cable). | Ignition coil defective? | Replace ignition coil. | |
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Fuel is available and spark plug | Muffler clogged with carbon | Clean or replace muffler. | |
ignites (compression normal). | deposits? |
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| Fuel in use inadequate (water, | Flush fuel sytem and replace with fresh fuel. | |
| dust)? |
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| Air Cleaner clogged? | Clean or replace air cleaner. | |
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Fuel is available and spark plug | Defective cylinder head gasket? | Tighten cylinder head bolts or replace head gasket. | |
ignites (compression low ). |
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Cylinder worn? | Replace cylinder. | ||
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| Spark plug loose? | Tighen spark plug. | |
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Operation not satisfactory |
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Not enough power available | Air cleaner clogged? |
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(compression normal, no |
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Air in fuel line? | Bleed (remove air) from fuel line. | ||
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| Fuel level in carbureator float | Adjust carbureator float | |
| chamber improper? |
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| Carbon deposits in cylinder? | Clean or replace cylinder | |
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Not enough power available | Ignition coil defective? | Flush fuel sytem and replace with fresh fuel. | |
(compression normal, |
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Ignition plug often shorts? | Replace ignition wires, clean ignition. | ||
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| Fuel in use inadequate (water, | Flush fuel sytem and replace with fresh fuel. | |
| dust)? |
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Engine overheats. | Excessive carbon depostion in | Clean or replace crankcase. | |
| combustion chamber? |
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| Exhaust or muffler clogged with | Clean or replace muffler. | |
| carbon. |
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| Spark plug heat value incorrect? | Replace spark plug with correct type spark plug. | |
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Operation not satisfactory |
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Rotational speed fluctuates. | Governor adjustment improper? | Adjust governor to correct lever. | |
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| Governor spring defective? | Clean or replace ignition. | |
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| Fuel flow erratic? | Check fuel line. | |
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| Air taken in through suction line? | Check suction line. | |
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Recoil starter not working properly. | Dust in rotating part? | Clean recoil starter assembly. | |
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| Spring spring failure? | Replace sprial spring. | |
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R2000H