Question about 2005 Honda CB 750

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1977 cb 750 honda start and idle seem ok but bad loss of power

Half power on acceleration , already did major tune up procedures could I
need hotter plugs they seem to keep fouling

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  • Honda Master
  • 767 Answers

Check if the points plate is within the marks, it sounds as if the ignition timming is behind ( r e tard).
Recheck the valve clearance and the float level in the float chamber of the carbs, synchro the carbs and reset the air - mixture .
Hope this helps!

Posted on May 24, 2009

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1983 Honda nv 750 misfires on opening throttle at speed, acceleration is perfect on the stand


Considering the age of the machine, I would be suspicious of valves and lifter clearances..
Acceleration at speed requires the delivery of power, which increases cylinder pressures. Provided your plugs are good, the next thing to check would be compression. If it is low, it's time for a major tune-up.
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1997 Honda CB 750 Nighthawk stalls out when you give it gas.


Hi, Anonymous and the usual suspects are:
1. Idle port, transfer ports, slow air jet clogged.
2. Idle adjusting screw set too low.
3. Air fuel mixture adjustment too lean.
4. Pilot/slow fuel jet clogged.
5. Faulty accelerator pump.
6. Float level too low.
7. Float bowl contaminated old fuel, water, dirt, rust, etc.
8. Carburetor bowl vent line clogged/blocked/pinched.
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10. Fuel filter clogged.
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12. The gas cap is not venting properly or fuel tank venting system blocked.
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For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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1977 Honda Cb 400 F engine tune up


Hi, Rodsims2000 for this scenario you will need your service, parts fiche, and owners manual if you can't find the best tool you ever bought for your Honda, despair not, for a mere zero $0 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need for viewing and printing please click on the blue links below. Good luck and have a wonderful day.
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1977 Honda Cb 400 F how to stop a clutch rattle


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1992 Honda CB 750 Nighthawk will not idle without choke


Hi, Emeraldcp 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.
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10. Idle port, transfer ports, slow air jet clogged.
11. Slow fuel jet clogged.
12. Faulty fuel pump.
13. Faulty auto choke or wiring connection.
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.
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I need a schematic of the timing start posion for {{{1977 Honda CB 750 FOUR K}}}. It does exist but it is not listed in this sights product list, so I've posted it as a 2005 CB 750. I was cleaning the...


Ask and ye shall receive. Go to this site and you can download a free PDF service manual. The site may take up to 20 seconds to load the complete list of manuals. www.carlsalter.com/motorcycle-manuals.asp Most all of the manuals are in English but some are not. There is no way to be sure without doing the download. You can always delete it if in a foreign language.
Please rate my answer. Thanks!

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Idle adjustment on 1970 honda 750 four


the cb 400 has 4 carbs if its ticking over badly and "hunting" then the carbs need to be tuned first to do this you need the right tool you just cant do it by ear as its done on vacuum?? after that its an easy job to set it up, if its out of tune even just a little bit it well run like a dog with big flat spots in its throtel

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I have 1979 honda 750 with 325 miles on it but i am have trouble with the elec i cant get any power to the ingtion or lights


inspec fuses-good lookin ones can be bad-also view wiring for cuts n corrosion-hows batery or other parts-no wheelies

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Hi, Funnyslug24 and the usual suspects are:
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3. Bad Gas.
4. Improper oil level.
5. Improper chain adjustment and lubrication.
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