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Known z400 problems

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Old Dec 19, 2007 | 09:14 AM
  #11  
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Default Known z400 problems

The newer ones had the water pump issue like Dean said. They put out a recall, so it should have been fixed if you're looking at a used one.
 
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Old Dec 19, 2007 | 09:16 AM
  #12  
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Default Known z400 problems

If you're going to be racing, I'd get the gusset kit.

Plus, you may want to upgrade the shocks.
 
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Old Dec 19, 2007 | 09:03 PM
  #13  
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Default Known z400 problems

the timing belts are known to go on 04s and 03s the frames suck get gusset mounts
 
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Old Dec 19, 2007 | 10:20 PM
  #14  
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Default Known z400 problems

<div class="FTQUOTE"><begin quote>Originally posted by: suzukirider1992

the timing belts are known to go on 04s and 03s the frames suck get gusset mounts</end quote></div>

"timing belts" umm you must have a differant model no belts in a 03/04 Z..

Also the fan has had a few problems the hose the stocker has runs upwards not down & it tends to hold a bit of water. rust & failer is know to happen....
 
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Old Dec 20, 2007 | 02:41 AM
  #15  
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Default Known z400 problems

"It's ironic that some ranch dressings contain unexpected sugar, but a bag of sugar never contains unexpected ranch dressing."
That's kinda funny....[img]i/expressions/face-icon-small-smile.gif[/img]

Yeah the timing "chain" stretches on the 03, keep your ear out for that.
 
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Old Dec 20, 2007 | 07:36 AM
  #16  
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Default Known z400 problems

Cam chain could be an issue, I had intentions of changing mine out until I realized I would have to get into the crankcase to undo the cam chain guide to get to it. Screw that!!!! I think I will wait until it breaks , then mess with it. Its too cold in my garage right now. I would go ahead and do a valve job. Just make sure you lap the valves!!!
Heres your cam chain # if you decide to get the bike. D.I.D makes the cam chain
SCR0409-128LE
 
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Old Dec 20, 2007 | 09:18 AM
  #17  
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Default Known z400 problems

the 04 didn't have the frame issue they fixed that issue from 03
 
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Old Dec 21, 2007 | 09:40 PM
  #18  
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Default Known z400 problems

<div class="FTQUOTE"><begin quote>Originally posted by: AIRMOBILE101

Cam chain could be an issue, I had intentions of changing mine out until I realized I would have to get into the crankcase to undo the cam chain guide to get to it. Screw that!!!! I think I will wait until it breaks , then mess with it. Its too cold in my garage right now. I would go ahead and do a valve job. Just make sure you lap the valves!!!

Heres your cam chain # if you decide to get the bike. D.I.D makes the cam chain

SCR0409-128LE</end quote></div>


I don't think that's a good idea to wait till it breaks. If one of the valves is open when it lets go, won't the piston crush it? Could be alot of $$$ in the long run.
 
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Old Dec 22, 2007 | 01:33 AM
  #19  
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Default Known z400 problems

<div class="FTQUOTE"><begin quote>Originally posted by: warrior226

<div class="FTQUOTE"><begin quote>Originally posted by: AIRMOBILE101



Cam chain could be an issue, I had intentions of changing mine out until I realized I would have to get into the crankcase to undo the cam chain guide to get to it. Screw that!!!! I think I will wait until it breaks , then mess with it. Its too cold in my garage right now. I would go ahead and do a valve job. Just make sure you lap the valves!!!



Heres your cam chain # if you decide to get the bike. D.I.D makes the cam chain



SCR0409-128LE</end quote></div>





I don't think that's a good idea to wait till it breaks. If one of the valves is open when it lets go, won't the piston crush it? Could be alot of $$$ in the long run.</end quote></div>

No, I don't think so. The piston doesn't travel that high.
 
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Old Dec 22, 2007 | 05:42 AM
  #20  
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Default Known z400 problems

<div class="FTQUOTE"><begin quote>Originally posted by: AIRMOBILE101

<div class="FTQUOTE"><begin quote>Originally posted by: warrior226



<div class="FTQUOTE"><begin quote>Originally posted by: AIRMOBILE101







Cam chain could be an issue, I had intentions of changing mine out until I realized I would have to get into the crankcase to undo the cam chain guide to get to it. Screw that!!!! I think I will wait until it breaks , then mess with it. Its too cold in my garage right now. I would go ahead and do a valve job. Just make sure you lap the valves!!!







Heres your cam chain # if you decide to get the bike. D.I.D makes the cam chain







SCR0409-128LE</end quote></div>











I don't think that's a good idea to wait till it breaks. If one of the valves is open when it lets go, won't the piston crush it? Could be alot of $$$ in the long run.</end quote></div>



No, I don't think so. The piston doesn't travel that high.</end quote></div>

Hmmm, now I'm really thinking about that. I pretty sure with the motor @ TDC the valves won't hit if the cam chain went south. Ill investigate next week when I do my valve adjustment. Maybe somebody could chime in that for sure knows.
Warrior226 , good action bro. Had me really thinking!!![img]i/expressions/face-icon-small-happy.gif[/img]
 
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