02 954 quick jerk - Honda Motorcycles - FireBlades.org
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post #1 of 31 Old 10-23-2013, 10:46 PM Thread Starter
 
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02 954 quick jerk

Alright...so it's happened a few times more recently. I'll be in a low gear 1st or 2nd and very low or easy on the throttle and all of a sudden the bike will "jerk" suddenly wit a quick rise in the rpms.

2nd problem... on the highway between 4th and 5th gear doin maybe 60 than I'll open up the throttle all the way and the bike at first will respond than quickly drop than catch itself and go again. The rpms go up down than up. Again, help?
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post #2 of 31 Old 10-30-2013, 1:06 PM Thread Starter
 
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Re: 02 954 quick jerk

No one huh?
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post #3 of 31 Old 10-30-2013, 2:17 PM
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Re: 02 954 quick jerk

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No one huh?

Can you shoot a video of your instruments?

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post #4 of 31 Old 10-31-2013, 7:30 PM Thread Starter
 
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Re: 02 954 quick jerk

It happens so randomly. . the cct definitely needs to be done but I would assume they have no relation. .??
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post #5 of 31 Old 10-31-2013, 8:52 PM
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Re: 02 954 quick jerk

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It happens so randomly. . the cct definitely needs to be done but I would assume they have no relation. .??

I am unable to visualise what it is you're describing, so I can't guess at possible causes.
For the RPM to rise without the bike accelerating the engine would need to be disconnecting from the transmission, which would tend to indicate a clutch problem.

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post #6 of 31 Old 11-01-2013, 7:07 AM
 
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Re: 02 954 quick jerk

Injector maybe, if it was carbed I might know where to look with those symptoms.

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post #7 of 31 Old 11-01-2013, 5:32 PM
 
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Re: 02 954 quick jerk

I would think that if it jerks and the RPM rises it is slipping into a lower gear. I have had my 954 do this if I didn't shift positively enough into the next highest gear, but it usually only occurs when I nail the throttle in the next gear. Also leads to a wheelie that I didn't intend....

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post #8 of 31 Old 11-06-2013, 11:19 AM Thread Starter
 
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Re: 02 954 quick jerk

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Originally Posted by bladeracer View Post
I am unable to visualise what it is you're describing, so I can't guess at possible causes.
For the RPM to rise without the bike accelerating the engine would need to be disconnecting from the transmission, which would tend to indicate a clutch problem.
Sorry I'll try again.
1st gear and barely on the throttle doing maybe 10mph when suddenly the bike jerks as if it shut off and turned back on simultaneously,but it happens in an instant.

Btw, anyone got anything for the other problem I asked about on this thread?maybe they're related. Thanks a million
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post #9 of 31 Old 11-06-2013, 11:23 AM Thread Starter
 
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Re: 02 954 quick jerk

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I am unable to visualise what it is you're describing, so I can't guess at possible causes.
For the RPM to rise without the bike accelerating the engine would need to be disconnecting from the transmission, which would tend to indicate a clutch problem.
Also BR..I believe that I definitely need a clutch because whenever I try to clutch it in 1st gear the rear burns out but never catches to bring the front wheel up.. same thing in 2nd gear
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post #10 of 31 Old 11-06-2013, 2:48 PM
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Re: 02 954 quick jerk

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Also BR..I believe that I definitely need a clutch because whenever I try to clutch it in 1st gear the rear burns out but never catches to bring the front wheel up.. same thing in 2nd gear

But it used to come up this way before?
If it is spinning the tyre then I would think the clutch is working fine.
The bike is stock, particularly in wheelbase and ride heights?

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post #11 of 31 Old 11-06-2013, 2:54 PM
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Re: 02 954 quick jerk

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Originally Posted by dazodiac View Post
2nd problem... on the highway between 4th and 5th gear doin maybe 60 than I'll open up the throttle all the way and the bike at first will respond than quickly drop than catch itself and go again. The rpms go up down than up. Again, help?
Are you sure the RPMS flutter like this?
At what RPM are you opening the throttle?
How high do they rise initially?
How low do they fall to before picking up again?
If you're cruising at 60mph in second or third does is still react to throttle this way?
Possibly normal-ish if your gearing is stock as 60mph is right around the point that the engine is starting to breathe.

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post #12 of 31 Old 11-06-2013, 2:59 PM Thread Starter
 
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Re: 02 954 quick jerk

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But it used to come up this way before?
If it is spinning the tyre then I would think the clutch is working fine.
The bike is stock, particularly in wheelbase and ride heights?
Well not this 954 but my previous 954 would come up in first gear no problem 2nd also. Bike is stock and I put the whole thing together myself. that being said I believe that the chain link count May be 107 instead of 108 but that should make a big problem right?
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post #13 of 31 Old 11-06-2013, 3:12 PM
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Re: 02 954 quick jerk

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Originally Posted by dazodiac View Post
Well not this 954 but my previous 954 would come up in first gear no problem 2nd also. Bike is stock and I put the whole thing together myself. that being said I believe that the chain link count May be 107 instead of 108 but that should make a big problem right?

The 929/954 will come up in first and second without the clutch though, even third is pretty easy.
Only problem is that it's impossible ;-)
It'll either be 106 or 108 links, even numbers only.

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post #14 of 31 Old 11-06-2013, 3:31 PM Thread Starter
 
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Re: 02 954 quick jerk

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The 929/954 will come up in first and second without the clutch though, even third is pretty easy.
Only problem is that it's impossible ;-)
It'll either be 106 or 108 links, even numbers only.
106/108 Gotcha. And sure you can power wheelie in 1st. But why would the wheel spin under me in stead wheelie when clutching in first? Regardless I don't wanna get off subject,but do wanna change the clutch if it's a problem for the above problems
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post #15 of 31 Old 11-06-2013, 3:35 PM
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Re: 02 954 quick jerk

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106/108 Gotcha. And sure you can power wheelie in 1st. But why would the wheel spin under me in stead wheelie when clutching in first? Regardless I don't wanna get off subject,but do wanna change the clutch if it's a problem for the above problems

Not power wheelie, just bounce the front up at about 5000RPM in first, second and third.
Could be lots of things, suspension too hard, tyre pressure too high, bald tyre, loose chain, worn cush drive, lots of things.

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