CBR 1000F "Hurricane" 1987-1996 CBR 1000F

1000F Timing chain replacement

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  #11  
Old 08-26-2012, 05:20 PM
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I dont have the machining skills available to do the mods , I'll have to find someone willing to mod for me soon . the noise is down right embarrassing . What few friends I have all have new and exotic bikes , when I pull up with my rattling old girl they grimace and shake their heads
 
  #12  
Old 08-30-2012, 12:21 PM
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This is getting tired! Followed all the steps-primed the tensioner till it would hardly move, reassembled with correct timing. Perfect start and then..................rattles and clicks again. Open up to find I can pull the chain upward for about 2-3cm and it won't revert to tension. Logic says the tensioner is history-0r did they sell me the wrong chain and can it be fixed by removing 2 or 3 links?Interesting too, that when assembling, the chain is initially tight and marks line up, but as the caps are tightened, the chain sags in the middle and the timing goes out on the pulse when the initial turn is made on the crank.
 
  #13  
Old 08-30-2012, 08:31 PM
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I had to take about 3 links out of my did cam chain.
 
  #14  
Old 08-30-2012, 09:39 PM
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I'd compare it to the old chain before you start taking links out!

Maybe there is a problem with the tensioner or re-assembly.

Nice to see the pictures back on Michael Parks excellent 'How To'

RIP Michael.
 
  #15  
Old 09-01-2012, 12:49 PM
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Hawk I reckon he has a chain that's too long - that simple

Usually they come with 152 links and 2 links are removed for a 150 link
cam chain stock length for an unmodified Hurricane 1000

Reckon he's running with the two extra links

if he has enough slack to take 3 out like pcmg has - then I'd do that too
 

Last edited by Sprock; 09-01-2012 at 12:51 PM.
  #16  
Old 09-01-2012, 09:37 PM
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I'd suggest it's impossible to run with extra links in a cam chain- the timing will go out in seconds and you'll probably trash the engine.
The relationship between the crank, the valves etc will all go out of whack.
Same if you run less links than spec.
I'd suggest the timing is maybe one tooth out.....and the primary chain may be the cause of the rattle problem, not the cam timing chain ?

The primary chain can be run with less links than spec as there's no timing involved - it just spins the stator etc.
 
  #17  
Old 09-02-2012, 05:07 AM
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Default 1000f Timing chain

Turns out the chain supplied(DID) WAS too long. Took a guess and removed just enough for the new master link, but still have the rattle,but not losing timing now, so will go back in and see how much more it will take.I'm guessing the 3 link option may be where I end up.
Still a poor tensioner design, in my opinion.
Thanks for the posts.
 
  #18  
Old 09-02-2012, 08:28 AM
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Default 1000f Timing chain replacement

Just the info I needed , thanks. Will count the links , since some tidy-freak at the dealer's trashed the old chain which I asked them to keep, awaiting order of the new one. Since I removed a couple, it runs better, but will count them to make sure we're not overdoing things.Too much tension will snap the chain, I guess??
Also does anyone know whether another instrument cluster will be compatible? I customised this bike and feel the fairing I came up was a little bulkier than I was after, but guessed that other instruments wouldn't sync.
 
  #19  
Old 09-02-2012, 11:19 AM
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The MK1, 2 and 3 instrument clusters aren't interchangeable
 
  #20  
Old 09-02-2012, 11:20 AM
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How much tension will snap a chain ?
More than the motor generally speaking could generate - the chain would stretch first
or the cam's would get beat to **** before it would break - imo
 


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