seized motor need help - TwoWheelForum: Motorcycle and Sportbike forums
 
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post #1 of 17 (permalink) Old 04-20-2006, 01:13 AM Thread Starter
 
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seized motor need help

I just went to crank the bike up, for the first time. turns out my #1 piston is stuck. not surprised as I found out it had been without a plug in that cylinder when I got it, and sitting for awhile. I'm needing help to get it loose so I can perhaps make this bike usable, and not just a 597lb driveway ornament. its an 87 ZX1000A2 if that helps any.
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post #2 of 17 (permalink) Old 04-20-2006, 01:54 AM
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My only suggestion is to pure some lube/penetrating oil directly in the plug holeand let it set for a few days. Then trying to break it loss by the crank. Most likely there is enough damage that the motor will need a complete rebuild to run properly with out burning massive amounts of oil and smoking badly even if you get it free.

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post #3 of 17 (permalink) Old 04-20-2006, 02:02 AM Thread Starter
 
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thats not what I wanted to hear, but I guess I'll try and HOPE nothing is broke that bad.
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post #4 of 17 (permalink) Old 04-20-2006, 07:18 AM
 
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Try Marvels Mystery oil and let it soak for a few days...then turn the crank by hand to see if it will free...do not use the electric start...
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post #5 of 17 (permalink) Old 04-20-2006, 09:26 AM
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Maybe this is the reason the starter is smokin? Maybe you don't need the other thread anymore....




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post #6 of 17 (permalink) Old 04-20-2006, 09:28 AM
 
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Did we not heed the advice of the bumblebee?



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post #7 of 17 (permalink) Old 04-20-2006, 12:22 PM Thread Starter
 
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well, I now know it is the number 1 cylinder, but it will turn to an extent then it just stops dead like theres something on the cylinder walls obstructing it. I felt it with the wrench, so its possibly rust, or somethign like that on the walls thats holding me back.
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post #8 of 17 (permalink) Old 04-20-2006, 12:23 PM
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Rust will stop it. If you force the issue. you will defiantly damage the rings and force the rebuild.

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post #9 of 17 (permalink) Old 04-20-2006, 12:46 PM Thread Starter
 
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I would hope pulling the head, and just cleaning the rust out, then a light honing of the cylinders would fix the problem. if not, I'm thinking perhaps a different motor would be interesting.
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post #10 of 17 (permalink) Old 04-20-2006, 07:14 PM Thread Starter
 
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Well, disregard what I've said, its gettin either a new motor or full rebuild. a bearing somewhere decided to grenade in there, and left shrapnel everywhere, so I gotta tear the whole thing down to rebuild it. yay, I've got hell on earth to attend to.

Last edited by King Bob; 04-20-2006 at 10:51 PM.
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post #11 of 17 (permalink) Old 04-21-2006, 06:56 AM
 
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Quote:
Originally Posted by ZX1000
Well, disregard what I've said, its gettin either a new motor or full rebuild. a bearing somewhere decided to grenade in there, and left shrapnel everywhere, so I gotta tear the whole thing down to rebuild it. yay, I've got hell on earth to attend to.
Have fun pal. And ....



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post #12 of 17 (permalink) Old 04-21-2006, 06:57 AM
 
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Oh...and just for good measure:





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post #13 of 17 (permalink) Old 04-21-2006, 08:10 AM
 
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What's that I smell??? bored out with oversize pistons?? Gonna go for speed??
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post #14 of 17 (permalink) Old 04-21-2006, 11:11 AM Thread Starter
 
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I'm not exactly after more HP ya know, just a running motor. besides, those bigger parts cost $$$ and I dont have a lot of that.
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post #15 of 17 (permalink) Old 04-21-2006, 08:53 PM
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Quote:
Originally Posted by bumblebee
What's that I smell??? bored out with oversize pistons?? Gonna go for speed??
No shiot!!




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post #16 of 17 (permalink) Old 04-21-2006, 09:45 PM
 
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A lot of times gas flows past a leaky float valve and pools in number one cylinder, since that's the lowest by the kickstand. The starter can not compress the gas. Called hydrolock. If you haven't taken out the sparkplug, take them all out and try and turn the engine.
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post #17 of 17 (permalink) Old 04-21-2006, 10:42 PM Thread Starter
 
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tried that, its not hydrolock, something inside the motor is broken. at least I sure think so when I get a metal paste, and see slivers of steel in the oil. I get the feeling a conrod broke and is lodging against something keeping it from turning over.
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