Question about 2000 Yamaha FZX 250 Zeal

1 Answer

Intermitten missing problem

Thanks for the reply. I actually thought about this before, but it happened to me once after I filled the tank. But say this was the problem, would it be extremely hard starting after I did put gas in the tank? Wouldn't the fuel pump prime the carbs or would I have to spray someting in there? I couldn't get it started once it died. Once it finally did after trying for a few minutes then letting it sit for a few, it fired right up like a new one without any hesitation.

One more symptom I noticed is that today when I brought it to work, I pulled on the highway and every time I shifted gears, released the clutch and re-applied the accelerator (right when I re-apply accelerator and only when accelerating quickly for the highway) it would sputter for a split second before accelerating. Nothing much but definately noticable.

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  • Yamaha Master
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Hi, Rska92 I pulled up your history to see if I originally responded but your original question was dated 06/22/09 mmmmm is your fuel pump still making that terrible noise? You need to isolate fuel or electrical, for more information about your question and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
1999 Yamaha Zeal aka FZX 250 will not idle
Misfire fouled plugs Aussie Street Bikes
Manuals Data Zealous

Posted on Mar 15, 2017

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Posted on Jan 02, 2017

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SOURCE: engine idles fine, stalls soon as its given gas

Hi there!

Open up the carb and clean the jets with pressurized air. I also suspect water on the carburetor reservoir, before opening the carb, drain it first then run. Also, make sure the plugs are clean. Pull on the choke when twisting the accelerator, if it accelerates well, then warm the beast at normal temperature first before twisting the throttle hard again.

hope this helps-
levibit-

Posted on Mar 29, 2009

  • 200 Answers

SOURCE: 2007 yamaha virago won't start - replaced spark

it's not that your not gettin gas it's that the gas is not getting thru the carbs to the engine. your bike will probably start w/choke on and then die, your jets are clogged and happens to most bikes that are stored w/gas in the carbs.,,,clean them if you know how or take it to a trusted mech...good luck to you...Tim

Posted on Jun 06, 2009

  • 125 Answers

SOURCE: idles but won`t accelerate

Change fuel filter.
fuel pump sounds fine.
Check for kinked or blocked lines.
If it has a fuel recovery cannister service it.

Posted on Jun 15, 2009

  • 1 Answer

SOURCE: carb puking gas

I had this same problem. What I discovered was the float needs adjusted on the carb. I set mine lower inthe bowl and it stopped the leaking. Reason for this happening is on hot days the fuel in the bowl will boil. This boiling action dumps in more fuel and the carb spits it out the air breather.

Posted on Sep 23, 2009

  • 743 Answers

SOURCE: I have a 2007 Yamaha Grizzly 660. It was running

It sounds like you got some corrosion going on, on the ground side. I would start with the battery cables first and see if they need cleaned up, then go to the connectors and unplug them and clean if necessary and put die-electrical grease in the sockets of the connectors before plugging them back in. I am assuming that the shifter is electrically assisted if there are problems going on with it as well...this is what makes me believe that it is a bad ground due to setting maybe in a damp inviroment.

Posted on Oct 19, 2009

Testimonial: "Great feedback and it has given me a different avenue to look that I had not thought of. The response was quick and not only did ?lylerwh? provide the direction to look he furthered explained what his decision was based on. Thanks "

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