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BIKELAND > FORUMS > ZX-14.com > Thread: crankshaft replacement NEW TOPIC NEW POLL POST REPLY
Russell


Parking Attendant
Posts: 6
posted February 05, 2012 06:00 PM        
crankshaft replacement

I need to replace the crankshaft in my 2007 ZX14 - does any one know if a used part is viable? and if so where to look for one? Thanks.

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NINJA12


Needs a job
Posts: 3310
posted February 05, 2012 09:15 PM        
yes, and in the classified here.
also check the aucton site.

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Seno


Pro
BANNED FOR LIFE!
Posts: 1230
posted February 05, 2012 10:25 PM        
Since your going to do the crank have you thought about a stroked crankshaft? With a strokes crankshaft, +2mm pistons, head porting and cams you will have a serious beast.... If your going to do it, might want to "build" the bottom end first, then do the heads & cams later so it's not such a big hit on the wallet... Just a thought.
____________
2012 Black 14R -> Completely done!

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wrongway


Pro
Posts: 1078
posted February 05, 2012 11:30 PM        
quote:
I need to replace the crankshaft in my 2007 ZX14 - does any one know if a used part is viable? and if so where to look for one? Thanks.


you should try to figure out why you had the problem. If not you may be replacing parts just to see the same problem again:-(

Roy

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Russell


Parking Attendant
Posts: 6
posted February 06, 2012 04:24 PM        
Thanks guys.
For me the beast is serious enough already!!
As to what the cause was - good point - might have been the oil pump which will be replaced just in case. It happened when I got a bit excited taking off from the lights trying to drag someone - bounced off the rev limiter in 1st....

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Russell


Parking Attendant
Posts: 6
posted February 06, 2012 04:30 PM        
Excuse my ignorance - but where do I find the classifieds and the auction? Thanks.
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MotoCycho


Expert Class
Posts: 333
posted February 06, 2012 04:35 PM        
You spin #3 rod bearing? I spun #3 on my 07 about 3 yrs back.. swapped in an 09 low mile donor motor which has been great.. knock on wood! Anyway.. I sent the 07 crank to A.P.E. to have it fixed. You ought to see what they can do with your current crank.. all is not lost.

http://www.aperaceparts.com/crankwork.html



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1badzx12r


Needs a life
Posts: 8321
posted February 07, 2012 01:18 AM        
quote:
You spin #3 rod bearing? I spun #3 on my 07 about 3 yrs back.. swapped in an 09 low mile donor motor which has been great.. knock on wood! Anyway.. I sent the 07 crank to A.P.E. to have it fixed. You ought to see what they can do with your current crank.. all is not lost.

http://www.aperaceparts.com/crankwork.html





this the route i would go .. i've purchased 2 used cranks that both were said good but were out of spec.. i don't buy used cranks no more
____________
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Russell


Parking Attendant
Posts: 6
posted February 07, 2012 09:37 AM        
I took the crank to a local guy that fixes em - and he said some people would repair it, but it would be dodgy. I found a second hand one in Victoria Australia (I'm in Perth Australia) crank and rods for $950, but there is the risk of out of spec, though I could probably return it and get a refund. You wouldn't believe how much parts cost here - just the crank alone costs nearly $1800 and it would be around $2500 by the time you include conrod, bearings etc. I found a site there in US kawasakipartshouse.com that can supply everything for $1100 including freight to here. All I need now is the $1100! Must check my lottery ticket!!

It was number 4 bearing - hammered into a wafer thin state extruding metal from the edges!

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kaw now


Expert Class
Posts: 446
posted February 07, 2012 10:51 AM        
If all that metal went through the engine then it might be a candidate for a complete engine tear down. Did you look at the oil filter and the oil pump could have traces or damage. All the oil passages might have to be flushed if the filter bypassed.
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Russell


Parking Attendant
Posts: 6
posted February 07, 2012 05:26 PM        
Thanks for the advice, much appreciated
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FAST Z14


Expert Class
Posts: 184
posted February 07, 2012 05:36 PM        
Why not look for a complete used motor, it might be cheaper than to do all those repairs.
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FOLY HUCK

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