MQ GA-2.9R —TROUBLESHOOTING (ENGINE)
TABLE 6. ENGINE TROUBLESHOOTING (CONTINUED)
SYMPTOM | POSSIBLE PROBLEM | SOLUTION | |
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Insufficient power output | Malfunction in blower? | Check or replace blower. | |
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"compression" and overheats | Air | Clean or replace air | |
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| Over accumulation of exhaust | Clean and check valves. | |
Burns to much fuel | products? | Check muffler, replace if necessary. | |
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| Wrong spark plug? | Replace spark plug with manufactures suggested type spark plug. | |
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| Lubricating oil is wrong | Replace lubricating oil with correct viscosity. | |
Exhaust color is continiously | viscosity? | ||
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"WHITE" | Worn rings? | Replace rings | |
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| Air cleanner clogged? | Clean or replace air cleaner. | |
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| Choke valve has not been set | Adjust choke valve to the correct position. | |
Exhaust color is continiously | to the correct position? |
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"BLACK" | Carburetor defective, seal on | Replace carburetor or seal. | |
| carburetor broken? |
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| Poor carburetor adjustment | Adjust carburetor. | |
| "engine runs too rich? |
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PAGE 30 — MQ
