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Old July 15th, 2013, 07:10 PM   #1
ubxssangz
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2009 ninja 250 new engine

Hi,

I am planning on buying a used engine on eBay to replace my current one that I think is fried.
Any suggestions on what to look for before I buy and after I receive the engine?
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Old July 16th, 2013, 06:14 AM   #2
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What happened, what makes you think it's bad?
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Old July 16th, 2013, 06:19 AM   #3
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What happened, what makes you think it's bad?
Tony
This. http://www.ninjette.org/forums/showt...359#post713359
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Old July 17th, 2013, 06:05 AM   #4
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Does anyone know, Apporximately, how much does an engine weight?
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Old July 17th, 2013, 06:25 AM   #5
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Look at the oil and clarity. I'd be cautious if the oil had a strong smell of gasoline it in. Also, see if they can do a compression test or offer some kind of warranty. Check to see if there are any signs of leaks.

The engine weights about 100 lbs.
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Old July 17th, 2013, 06:51 AM   #6
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....Any suggestions on what to look for before I buy and after I receive the engine?
Before you install the engine make sure you can manually turn the the engine over by using the crankshaft rotation bolt (turn counterclockwise) behind the stator cover plug. An engine that will not rotate is probably seized.
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Old July 17th, 2013, 07:01 AM   #7
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Look at the oil and clarity. I'd be cautious if the oil had a strong smell of gasoline it in. Also, see if they can do a compression test or offer some kind of warranty. Check to see if there are any signs of leaks.

The engine weights about 100 lbs.
Cuong, excuse my ignorance. What do you mean by oil and clarity? If i buy a used engine wouldnt it come drained?
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Old July 17th, 2013, 07:10 AM   #8
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Before you install the engine make sure you can manually turn the the engine over by using the crankshaft rotation bolt (turn counterclockwise) behind the stator cover plug. An engine that will not rotate is probably seized.
Da blue, also, excuse my ignorance. Do i hand turn it through the front small sprocket where the chain attaches to?
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Old July 17th, 2013, 07:19 AM   #9
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Man, are all of you guys mechanics?
This is f*cking frustrating.

Does anyone know of a good guideline of how to remove an engine? with pictures would be great.
I found this on youtube, will this work?
http://www.youtube.com/watch?v=oucMJW3LSVU

and this on ninja250
http://faq.ninja250.org/wiki/What_is...val_process%3F
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Old July 17th, 2013, 07:20 AM   #10
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Da blue, also, excuse my ignorance. Do i hand turn it through the front small sprocket where the chain attaches to?
This.


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Old July 17th, 2013, 07:21 AM   #11
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Cuong, excuse my ignorance. What do you mean by oil and clarity? If i buy a used engine wouldnt it come drained?
You didn't specify where you plan on buying it from. Most "dealers" should have all fluids drained. Now, if you buy it from some Joe off the streets at his house, he may still have the oil in there. If that's the case, you could look at the oil and see the color and clarity. Might even have the spark plugs in there too and if so, take a look at them and see how the engine was running.
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Old July 17th, 2013, 07:34 AM   #12
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....Does anyone know of a good guideline of how to remove an engine? with pictures would be great.
The service manual also has some pics and good instructions.

Last futzed with by DaBlue1; July 17th, 2013 at 11:08 AM.
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Old July 17th, 2013, 10:48 AM   #13
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The service manual also has some pics and good instructions.
It seems like i have to purchase it, correct?
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Old July 17th, 2013, 10:58 AM   #14
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It seems like i have to purchase it, correct?
You could easily find a pdf using google
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Old July 17th, 2013, 11:09 AM   #15
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It seems like i have to purchase it, correct?
No, not really. Check the original link again. Should be fixed.
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Old July 17th, 2013, 02:36 PM   #16
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No, not really. Check the original link again. Should be fixed.
awesome dablue, thanks for your feedback and help. Really appreciate it.
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Old July 18th, 2013, 12:08 PM   #17
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Dablue,

Do you know what type of lubrication i can use for the clutch, Throtle & choke cables?
4W40?
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Old July 18th, 2013, 03:05 PM   #18
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....Do you know what type of lubrication i can use for the clutch, Throtle & choke cables?
I've been using Dupont Teflon Multi-use Lube. Very good versatile stuff.

http://www.ninjette.org/forums/showthread.php?t=20019

http://www.ninjette.org/forums/showt...=dupont&page=2
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Old July 18th, 2013, 06:13 PM   #19
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Sorry. No linking to pirated service manuals from this site. Google can help here, and feel free to email or PM people information you'd prefer to share privately.
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Old July 18th, 2013, 06:37 PM   #20
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Sorry. No linking to pirated service manuals from this site. Google can help here, and feel free to email or PM people information you'd prefer to share privately.
What about www.docs.google.com?
Does this mean indirect links as well?
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Old July 18th, 2013, 06:39 PM   #21
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Doesn't matter. I'm uncomfortable with any search engine pointing to this site with a working link to a pirated service manual. Share it privately or elsewhere; no public links are permitted.
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Old July 18th, 2013, 06:44 PM   #22
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Doesn't matter. I'm uncomfortable with any search engine pointing to this site with a working link to a pirated service manual. Share it privately or elsewhere; no public links are permitted.
What if the link is to another forum?
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Old July 18th, 2013, 06:46 PM   #23
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Blue - I'm not sure how I can be any clearer. No links to pirated service manuals. No exceptions, no caveats. If other forums want to risk Kawi's lawyers when a disgruntled poster forwards a link, so be it. Not going to happen here.
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Old July 18th, 2013, 06:50 PM   #24
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Blue - I'm not sure how I can be any clearer. No links to pirated service manuals. No exceptions, no caveats. If other forums want to risk Kawi's lawyers when a disgruntled poster forwards a link, so be it. Not going to happen here.
I got the part about pirated service manuals. I'm asking about another forum in general.
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Old July 18th, 2013, 06:52 PM   #25
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No problem linking to other forums. I've blocked a very small number of forum links in order to affect google rankings, but it's a very small list.

But if someone were to post:

"Go to this forum and search on this to find a service manual", I'd still have to delete that thread here.
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Old July 18th, 2013, 06:54 PM   #26
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No problem linking to other forums. I've blocked a very small number of forum links in order to affect google rankings, but it's a very small list.

But if someone were to post:

"Go to this forum and search on this to find a service manual", I'd still have to delete that thread here.
Gotcha.
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Old July 18th, 2013, 09:11 PM   #27
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My bad, not trying to get anyone in trouble.

Dablue, that seems like a chain lube, can I still use it for the mentioned cables?
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Old July 19th, 2013, 05:11 AM   #28
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...Dablue, that seems like a chain lube, can I still use it for the mentioned cables?
It's a multi purpose lube that happens to be good on chains as well. I use it on household and car stuff too (locks, latches, hinges, pulleys, pivot points etc.)
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Old July 19th, 2013, 06:48 PM   #29
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I am preping to replace the engine myself. Do I need to empty the gas tank and the carburetor bowls. I am thinking I will be working on it in about 2-4 weeks.

Any other suggestions,?
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Old July 21st, 2013, 07:20 AM   #30
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eBay for new engine. Empty carbs but not tank.
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