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| Description | Part number | Qty |
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| Description | Part number | Qty |
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18. EVAPORATIVE/EXHAUST EMISSION
CONTROL SYSTEM
EXHAUST EMISSION RELATED
SYSTEM INSPECTION
Clean or replace the air cleaner.
Clean and adjust the carburetor.
Inspect the auto bystarter system.
Clean and inspect the spark plug.
Inspect the ignition system.
EXHAUST EMISSION TEST AND
ADJUSTMENT
1. Start the engine and warm up for several
minutes. (Engine surface temperature 50
60)
2. Adjust the idle speed to 1900rpm.
3. Connect the emission tester sampling pipe
to the exhaust muffler.
Standard:
CO: 2.50.5%
HC: 700PPM max.
4. If CO or HC exceeds the specified values,
adjust the carburetor pilot screw (P.S.) until
CO and HC are within the specified
standard values.
P.S. Opening: 2 turns
5. If the adjustment of carburetor makes no
difference, inspect exhaust emission related
system. (18-9)
7
An excellent service and not too long too wait for the part to be delivered. I live in Germany and its not easy to get spare parts here. I hope not to need your services again but if I do I will have no hesitation in doing so. John W. Parmley
Fast delivery and good communication ! The parts fit perfectly ! Thank you very much !
Great service from over seas
All parts came in together
👍🏽
fast delivery good service part fits exactly
4.7 / 5