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post #1 of 5 (permalink) Old 09-07-2005, 07:46 PM Thread Starter
Join Date: Jul 2005
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Lil hesitation

My fzr has developed a slight hesitation, at very low rpm, and around 6k-8k( Also depends on how aggresive i accelerate.) Its made the bike jumpy at low rpm, and causes a vibration at the higher end. Im gonna clean( and if need be) replace the plugs and the fuel filter, I was just curious if there's anything else I should check/ change while ive got the bitch opened up, thanks!
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post #2 of 5 (permalink) Old 09-07-2005, 10:05 PM
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same thing happens with my 95 fzr. Im don't know what is wrong with it either.
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post #3 of 5 (permalink) Old 09-08-2005, 05:36 AM
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Join Date: Oct 2002
Location: Central IN
Posts: 6,144
I've been fighting this issue as well. Here are the thoughts I've gotten elsewhere:
1) Check the air filter
2) Drain the carb bowls
3) Pull the carbs and do a full cleaning

I've gotten 1 done with no improvment and I'm in the midst of metering in a fuel treatment in hopes the blockage (assuming there is some) is minor and can be cleared while running the bike. I dread 3 only b/c getting my carbs on and off is a real bitch. That won't happen until there's snow on the ground, that's for certain.

I believe for me the reason its an issue at around about those rpms is that's the point at which one of the jets kicks in. Just supposition and I haven't really thought through that process yet. There's a possibility the person before me did some jetting but didn't use a good kit too, but I doubt that's an issue for either of you.

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post #4 of 5 (permalink) Old 09-08-2005, 06:19 AM
Join Date: Apr 2005
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My '92 developed a flat spot as well. I got my carbs cleaned and rejetted and it helped some, but I was told by one of the mechanics that that is one of the problems with carbs on bikes especially if you find yourself riding at one speed. That was one of the main reasons for me making the decision to get a new one with fuel injection. It really makes a difference.
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post #5 of 5 (permalink) Old 09-08-2005, 05:28 PM Thread Starter
Join Date: Jul 2005
Posts: 68
So i installed the filter, went in with basically no problem, easier that i thought. Didnt get a chance to look at the plugs, ran out of daylight, so that will happen probably this week.

I took it out for a short ride after the work was done,
there is still a vibration/hesitation in first gear at around 6-8k. The bottom end surging i felt it basically gone.

Only problem is i found a hose( seems to be dry) possibly a breather hose for something, which i cannot find were it came from. All in all good day!
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