1980 Honda CL 175 will not run without the choke on need to set choke half open for honda cl175 to run ok.What is wrong ???@

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Hi, Anonymous and the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Vacuum line from the petcock to intake manifold cracked.
5. Float needle and seat sticking.
6. Float level too low.
7. Carburetor bowl vent line clogged/blocked/pinched.
8. Idle adjusting screw set too low.
9. Air/fuel mixture screw set too lean.
10. Idle port, transfer ports, slow air jet clogged.
11. Slow fuel jet clogged.
12. Faulty fuel pump.
For more information about your issue and valuable "Free" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
Carb rebuild and still won run without choke
1980 cb650 will not run without choke
http://waynes-cycles.com/MANUALS/125-CB175-CL125-CL175%20Shop%20Manual-1971.pdf
https://www.partsfish.com/page/oem-parts-for-honda
Honda CB Owners Manuals
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