Question about 1995 Honda CBR 600 F(3)S
This is a stolen and recovery bike... Im a Automotive Tech with Infiniti and trying to help a friend repair his bike, so Thanks ahead of time for any help offered. 1995 Honda CBR 600, Hard Starting, after its running it seems ti idle and rev fine, then while riding and under normal shifting patterns when you get to 4th gear it fall on its face ( misfire?) Im not sure, im only going by sound and the way Tach is acting ( as per the rider). He states it starts jumping. I have checked Plugs, Plug Wires, Coils, Connections, Etc. This bike has been Quite a bit of work to get it back to this point so i very well could be missing somthing. Thanks Again. @
Hi, Mbporsche911 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 has oil in the bowl due to excessive oil in pre-mix.
14. Carburetor vacuum diaphragm torn, cracked, not seated or installed improperly.
15. Multiple carburetors out of sync.
16. Fuel filter clogged.
17. Old or contaminated fuel.
18. Fuel tank vent system plugged or carb vent line closed off.
19. Gas cap diaphragm valve faulty.
20. Vacuum line from intake manifold to fuel valve is broken, cracked, pinched, or missing.
21. Carburetor controls misadjusted.
22. Incorrect valve timing.
23. Valve springs floating, weak, or broken.
24. Damaged intake or exhaust valve.
25. Incompatible performance parts.
26. Control module may be in "LIMP" mode
27. 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.
Misfiring please help CBR Forum Enthusiast forums for Honda CBR Owners
Need SERVICE MANUAL for 97 CBR F3 CBR Forum Enthusiast forums for Honda... free zip file
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Posted on Feb 15, 2018
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Posted on Jan 02, 2017
im not sure if this model has a fuel pump but follow your fuel line and see if it does wen u find it remove black plastic cap and check the points contact breakers are in good conditon ie not worn uneven or worn out and that they open and close.check your air filter spark plugs and your carbs could have a blocked jet so get them cleaned and balanced.
Posted on Oct 25, 2009
Testimonial: " meny thanks will try the things you said once again thank you"
hi,i dont know a lot about this particular bike,but,as with any high revving sports bike you will need to keep the revs up before changing gear,an 883 sportster has a lot more torque than your bike and you can "short shift "them and let the torque do the work,however on a cbr i think you will need more rpm before you shift as they dont have the torque of your old harley,a friend of mine has an r6 yamaha,that thing revs out to nearly 17000 rpm he doesnt change untill about 9 or 10000 rpm,from memory your bike should be capable of nearly 60mph in first gear..hope this helps...cheers
Posted on Mar 13, 2010
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