TROUBLESHOOTING GUIDE (continued)
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| LOW POWER OUTPUT | |||
What To Check |
| Possible Cause | Remedy | |||
| Is the engine over- |
| Operator is overworking | Use lower throttle setting. | ||
| heating? |
| the machine. |
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| Improper fuel/oil ratio. | Refill with fresh fuel of the cor- | ||
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| rect mixture (gasoline and ISO | ||
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| EGD or JASO FC class | ||
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| Engine Oil, 50:1 ratio. | ||
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| Fallen leaves or dust on | Clean the intake cover. | ||
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| the intake cover. |
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| Fan, fan cover, or cylinder | Clean, repair or replace as | ||
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| fins are dirty or damaged. | necessary. | ||
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| Carbon deposits in the | Decarbonize muffler.(See 135 | ||
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| muffler. | hr. maint. page 15). | ||
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| Carbon deposits in the | Consult with an authorized | ||
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| combustion chamber | servicing dealer. | ||
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| and/or exhaust port. |
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| Missing or damaged | Replace missing or damaged | ||
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| blower tubes. | blower tubes. | ||
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| Clogged air cleaner | Clean or replace air cleaner | ||
| Engine is rough |
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| element. | element. | |||
| at all speeds. May |
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| also have black |
| Loose or damaged | Tighten or replace. | ||
| smoke and/or |
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| unburned fuel at |
| spark plug. |
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| the exhaust. |
| Air leakage or | Repair or replace filter and/ | ||
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| clogged fuel line. | or fuel line. | ||
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| Water in the fuel. | Drain the fuel system, replace | ||
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| Piston seizure. | the fuel. | ||
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| Consult with an authorized | |||
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| Faulty carburetor | servicing dealer. | ||
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| and/or diaphragm. |
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