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Old 12-27-2014, 04:00 PM   #16
alex_in_az   alex_in_az is offline
 
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Quote:
Originally Posted by papaoso View Post
Is my first bike in 30 years, I bought it cheap ($300.00) with the tank full . and I spend $200.00 more replacing back shock (used), brake cylinder, spray paint, ignition coil and some durabond.
I really enjoy this project, but I am a little worry about this noise, is not good. I really want to find any relatively easy solution, but I start to loos my illusion at this project. Well, still having some hope.
There some pics.
That's a pretty sweet looking bike, I hope you get it sorted out
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Old 12-29-2014, 12:10 AM   #17
papaoso   papaoso is offline
 
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Any experience with aliexpress.com?


 
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Old 12-31-2014, 12:04 PM   #18
Weldangrind   Weldangrind is offline
 
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I've never used them, but I have used Taobao several times.
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Old 12-31-2014, 10:29 PM   #19
katoranger   katoranger is offline
 
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I have a used motor. Have not tried to start it yet. Still on the trailer. We may give it a try tomorrow.
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Old 01-20-2015, 11:35 PM   #20
papaoso   papaoso is offline
 
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Well..I open the engine and..
The connecting rod look fine, no gaps appreciated.
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Old 01-20-2015, 11:37 PM   #21
papaoso   papaoso is offline
 
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And the crankshaft looks fine too.
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Old 01-20-2015, 11:39 PM   #22
papaoso   papaoso is offline
 
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No damage at piston & cylinder assembly,
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Old 01-20-2015, 11:41 PM   #23
papaoso   papaoso is offline
 
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But..see the camshaft and bushing.
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File Type: jpg IMG_20150119_130726720_HDR.jpg (89.1 KB, 189 views)


 
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Old 01-20-2015, 11:42 PM   #24
papaoso   papaoso is offline
 
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The timing chain guide need be replaced.
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Old 01-20-2015, 11:46 PM   #25
papaoso   papaoso is offline
 
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Well, maybe I can fix the camshaft in a machine shop, and the guide..Taobao. Tomorrow I'll remove valves and let you know people.


 
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Old 01-21-2015, 12:39 AM   #26
Weldangrind   Weldangrind is offline
 
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It looks like the top end was starved for oil. Maybe the oil filter was in backwards for a while, before the previous owner caught it.

The cylinder looks a little washed out, so it would be good to hone it. If you're buying parts from Taobao, you might as well buy a new camshaft and bushing, along with a new piston and rings.
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Old 01-23-2015, 05:53 PM   #27
papaoso   papaoso is offline
 
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Admission valve seat massacred and loose! Valves an guides good, but need news rubber seals.
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Old 01-23-2015, 06:06 PM   #28
papaoso   papaoso is offline
 
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Please, can somebody teach me how to find parts at taobao?

I need the admission valve seat, valve seals and timing chain guide.

Ill apreciate


 
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Old 01-23-2015, 09:01 PM   #29
Weldangrind   Weldangrind is offline
 
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Sure!

Use Google Chrome, and allow it to translate automatically to the language of your choice. Use simple search terms, like "ZS250GS", and take your time. When you find things you would like, save them in your bookmarks.

After you have found what you want, tell us. We will give you more guidance after that.

Have fun!
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Old 01-24-2015, 09:50 AM   #30
papaoso   papaoso is offline
 
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I found this, but cant target the valve seats or the timing chain guide or better the complete cylinder head assembly.

http://item.taobao.com/item.htm?spm=...9-f7578b5ef22b

http://item.taobao.com/item.htm?spm=...d-2e9013b839f2


 
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