Question about 2001 Honda Vigor FX 650
After starting my FX650 I need to use the choke very, very long. Still, after a ride of 4 km, it can not idle without 1/2 choke. Is that normal for FX650? After another 5 min. idling on 1/2 choke it will idle without choke at 1500 revs. What must be the size of the pilot jet? What must be the liquid level in the float chamber? What must be the position of the airscrew? Where can I buy a workshop manual? Thank you in advance for your help, Best regards, Bram Hartman, The Netherlands. @
Hi, Ahartman3 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.
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.
1300c only runs with choke
Honda FX 650 Vigor
Posted on Feb 20, 2018
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Posted on Jan 02, 2017
SOURCE: cbr 125 choke problem
It sounds like the choke line may not have been routed correctly when the new one was installed. Remove the gas tank and check to see that the line is not being stretched anywhere along the way AND that the gas tank when re-installed is not stretching the line. The line may have been kinked when installed. Look at the mechanical movement of the choke at the carb. Does it operate freely? Remove the air filter and look inside the center of the carb, (you may need to use a small mirror for this), does it look like the choke is opening and closing properly when the choke is moved on and off?
Posted on Mar 14, 2009
SOURCE: honda vfr 400 does not idle
gummed up carbs, faulty fuel pump, blocked fuel filter.
all of these will give you that response, fuel starvation.
you are not getting the right amount of gas thru, unles you have the choke on which cuts out some of the air making your mixture a little richer.
if it sat over winter in storage, the carbs probably could do with cleaning. you can try removing the air filter and spraying a bunch in, let it sit over night and see what happens. a good fuel system cleaner (additive) may help. if you can get Berrymans B12 ( dont know what country you in) it may be just american. but if you get some double the dose throw it in the gas tank, run bike til hot and then put it away for the night. then next day hopfully should be better. also if you have an inline fuel filter you could try changing that. does it have an electronic fuel pump.? does it run constantly? http://www.carlsalter.com/motorcycle-manuals.asp
that link will get you a free pdf service manual
Posted on Apr 10, 2009
First Make sure you have all new fresh gas,and new fuel filter,Then check the intake tube between the head and carb for cracks or leaks,And You'll need to go back through the carb again as this is a carb issue,But without doing the above first,a clean carb won't be clean for long.
Posted on May 17, 2009
When removing the pilot jet screw, count the number of turns to remove. Put the screw back the same number of turns then unscrew 1/4 turn.
A “very helpful” rating on this answer? Thanks!
Posted on Jul 02, 2009
I guess you will have to reset the air-mixture screws of the carburator/s.
Not bad if you check the condition of the spark plugs...if its ..'Whitish' means lean i.e. less gas in, Brownish...means ok, 'Blackish'...means too much gas in .....'rich'
In your bike's case you may find it 'whitish'.
Hope this helps !
Posted on Jul 19, 2009
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