Question about 1974 Honda CB 200

1 Answer

Cb 200,new plugs coils caps fuel,carbs cleaned,will start no bother and take over but when u go to rev it up it splutters and backfires

Posted by Anonymous on

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1 Answer

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  • Honda Master
  • 41,728 Answers

Hi, Anonymous and the usual suspects are:
1. Severely discharged or a damaged battery should have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a cursory reading of 12.5 volts or more but little or zero amperage the battery is faulty and must be replaced, AGM batteries fail in this scenario more so than lead acid batteries.
2. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
3. Spark plugs in bad condition or partially fouled.
4. Spark plug cables in bad condition and leaking check for spark leakage in the dark
5. Spark plug gap too close or too wide.
6. Faulty ignition coil, module, and or sensor.
7. Loose, dirty, or corroded ignition module connector at crankcase.
8. Faulty CKP or CMP, MAP, ETS, ATS, TPS, O2 sensor.
9. Dirty air filter.
10. Intake air leak.
11. Water, dirt, or rust in the fuel system.
12. Carburetor contaminated, sticky float, plugged jets.
13. Carburetor vacuum diaphragm torn, cracked, not seated or installed improperly.
14. Multiple carburetors out of sync.
15. Fuel filter clogged.
16. Old or contaminated fuel.
17. Fuel tank vent system plugged or carb vent line closed off.
18. Gas cap diaphragm valve faulty.
19. Vacuum line from intake manifold to fuel valve is broken, cracked, pinched, or missing.
20. Carburetor controls misadjusted.
21. Incorrect valve timing.
22. Valve springs floating, weak, or broken.
23. Damaged intake or exhaust valve.
24. Incompatible performance parts.
25. Control module may be in "LIMP" mode
26. Check for engine trouble codes.
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.
1974 CB200 1 black spark plug
CB175 Misfiring
http://dannix.net/sites/default/files/attachments/12583929-Honda_Cb200_Cl200_Workshop_Service_Repair_Manual_Download.pdf
http://www.partsfish.com/page/oem-parts-for-honda
http://dannix.net/sites/default/files/attachments/CL200_Owners_Manual.pdf

Posted on Aug 25, 2017

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 74 Answers

SOURCE: 1995 honda cbr f3 wont start

I would think about investing in a carb re-build kit.

Posted on Dec 22, 2008

  • 3567 Answers

SOURCE: hi i have a cr125 on a 96 it starts with a bump

You may need a carb kit. Sputtering is usually one of two things. 1) bad seals in the carb, install a kit.

2) water in the fuel.
Clean the pitcock water trap, check the air cleaner, drain the carb

The generator stuff sounds pretty weird and off the wall.

Posted on Mar 14, 2009

landsend
  • 1066 Answers

SOURCE: runs great until hot.

put some fuel cleaner in the fuel tank and replace the spark plugs.

Posted on Mar 22, 2009

tundrajet
  • 80 Answers

SOURCE: no fuel gettin to the spark plug

There should not be fuel on the spark plug anyway, if the plugs are firing the fuel would burn off them.

Regardless, if you suspect the fuel line is blocked simply remove the fuel line either from the petcock or carburator and blow in it to see if there is any blockage.

1) is there fuel in the tank?
2) is the fuel filter plugged?
3)is the petcock in the ON or RES position?

There should be a screen on top of the petcock that could get plugged up with debris from inside your gas tank. Drain the fuel from the tank and remove the petcock to clean the screen.

Hope this helps, pls vote for me.

Posted on Jun 07, 2009

SOURCE: bike coughs,splutters and even backfires more so in low rev's

Either take the carbs off and clean them or add some fuel additive to clean the system. Sounds like you have a clogged jet.

Posted on Aug 14, 2009

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I have an 89 ZX10 it sat for about 8 months when i fired it up it ran like a pig coughing & spluttering backfiring. I cleaned the carbies put in new plugs checked compressions 170 - 180 on all four....


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Bike coughs,splutters and even backfires more so in low rev's


Either take the carbs off and clean them or add some fuel additive to clean the system. Sounds like you have a clogged jet.

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Fuel starvation


There are three things all at the same time the bike needs to run:
1.Fuel
2.Compression
3.Spark

If you use starting fluid into the intake, and it continues the same, then fuel is not the problem

Use a compression tester to see if the pistons come to spec

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