01 929RR with a jerking problem - Honda Motorcycles - FireBlades.org
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post #1 of 12 Old 05-13-2013, 7:27 AM Thread Starter
 
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01 929RR with a jerking problem

Picked up a 2001 929RR with 20k miles this weekend in SC. Got it for a pretty good price. This is my first sports bike as I'm more of a Harley guy. I replaced the battery, changed the oil/filter, and fixed a small leak in the stator cover (until I order a new one). Took it out for a spin and I notice that when I release the throttle or snap it a little in gear it feels kind of jerky and I hear a bang like something is loose the grabs? I read it could be the chain adjustment, throttle adjustment etc. Its like a "Chooonk" sound. Any ideas?
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post #2 of 12 Old 05-13-2013, 7:40 AM
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Re: 01 929RR with a jerking problem

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Originally Posted by JamesonS View Post
Picked up a 2001 929RR with 20k miles this weekend in SC. Got it for a pretty good price. This is my first sports bike as I'm more of a Harley guy. I replaced the battery, changed the oil/filter, and fixed a small leak in the stator cover (until I order a new one). Took it out for a spin and I notice that when I release the throttle or snap it a little in gear it feels kind of jerky and I hear a bang like something is loose the grabs? I read it could be the chain adjustment, throttle adjustment etc. Its like a "Chooonk" sound. Any ideas?

I'd be checking the chain and sprockets first.

"I won't forget that ride for a while. Maybe you're right. Living fast might be worth the final crash. Maybe that's the secret you fliers know." - Flight of the Intruder
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post #3 of 12 Old 05-17-2013, 4:11 PM Thread Starter
 
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Re: 01 929RR with a jerking problem

Cleaned and lubed my chain..just not sure if it needs replacing or not...There is no "New Chain" mark and its basically in the middle of the markings. From Swingarm bolt to Axle (Center to center) its 21 3/4" on both sides. My chain has a few tight spots. If I do replace the chain and sprockets (as im not sure if they need replacing too) Im going to to with a 15/44 or 45T combo and a 520 or 530 Chain. Thoughts?
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post #4 of 12 Old 05-17-2013, 5:00 PM
 
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Re: 01 929RR with a jerking problem

Easiest way to check the chain is to grab it at the most rear point on the back sprocket and pull it back. If you can see more than 1/2 a tooth, it's time for a new chain. Always better to replace chain and sprockets together. Don't want worn sprockets prematurely wearing out your new chain.

If the bike isn't braking properly, you don't start by rebuilding the engine.
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post #5 of 12 Old 05-18-2013, 6:46 AM
 
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Re: 01 929RR with a jerking problem

Have you checked / adjusted the chain slack? It could be too loose, and possibly jumping a tooth, which will destroy the rear sprocket real quick.
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post #6 of 12 Old 05-18-2013, 11:43 AM
 
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Re: 01 929RR with a jerking problem

A worn sprocket compared to a new one.



I measure the chain slack, with the wieght of the bike on the rear tire. Usually on the bike's sidestand.
Measure half way between the front and rear sprocket.
Go for 25 -30mm of slack.
I use the center of the rivet as a reference point. First pic I'm about 17mm. Second I'm about 46.
So I have 29mm of slack here.






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post #7 of 12 Old 05-18-2013, 12:29 PM
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Re: 01 929RR with a jerking problem

Quote:
Originally Posted by jondog9 View Post
A worn sprocket compared to a new one.



I measure the chain slack, with the wieght of the bike on the rear tire. Usually on the bike's sidestand.
Measure half way between the front and rear sprocket.
Go for 25 -30mm of slack.
I use the center of the rivet as a reference point. First pic I'm about 17mm. Second I'm about 46.
So I have 29mm of slack here.






That is _wayyyyyy_ past worn Jon :-)
You're supposed to replace them while they still have teeth on them :-)

"I won't forget that ride for a while. Maybe you're right. Living fast might be worth the final crash. Maybe that's the secret you fliers know." - Flight of the Intruder
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post #8 of 12 Old 05-18-2013, 1:29 PM Thread Starter
 
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Re: 01 929RR with a jerking problem

I have about 32mm..so I need to tighten it a little..i have a couple tight spots in the chain so that needs to get replaced. THe sprocket however looks pretty good surprisingly..
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post #9 of 12 Old 05-18-2013, 1:35 PM
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Re: 01 929RR with a jerking problem

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Originally Posted by JamesonS View Post
I have about 32mm..so I need to tighten it a little..i have a couple tight spots in the chain so that needs to get replaced. THe sprocket however looks pretty good surprisingly..

Be sure to rotate the wheel until you find the tightest part of the chain, that's where you set the minimum slack.

"I won't forget that ride for a while. Maybe you're right. Living fast might be worth the final crash. Maybe that's the secret you fliers know." - Flight of the Intruder
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post #10 of 12 Old 05-18-2013, 3:38 PM
 
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Re: 01 929RR with a jerking problem

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Originally Posted by bladeracer View Post
That is _wayyyyyy_ past worn Jon :-)
You're supposed to replace them while they still have teeth on them :-)


Yup, that's how I learned first hand - the consequences of a worn sprocket.
I've felt that chuuuunk! too.
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post #11 of 12 Old 05-18-2013, 10:38 PM
 
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Re: 01 929RR with a jerking problem

I'm surprised the chain could even hold onto that thing.....brutal!

"When you come to the end of your rope, tie a knot and hang on."
- Franklin D. Roosevelt
2002 954
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post #12 of 12 Old 05-21-2013, 9:42 AM Thread Starter
 
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Re: 01 929RR with a jerking problem

Went ahead and bought a 15/45 combo with an EK ZZZ chain..
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