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Looking for a low mileage 2000+ engine

1K views 6 replies 2 participants last post by  blueben 
#1 ·
For a reason I haven't managed to diagnose yet, my engine turns over a few times until it stops trying to turn over altogether. I suspect the top end, but I don't have time to tear it down right now. So, I'm looking for a low mileage motor. Ebay has quite a few, but shipping is ridiculous. Does anyone have, or know of, a source for quality low mileage EX500 motors locally?
 
#3 ·
At this point, I've done most of the easy diagnostics. We threw a scope down the bores and everything there looks good. The bottom end seems to rotate ok. It turns over but it won't catch and sounds out of sync. Eventually it just stops trying to turn over at all. The battery is fine; it even does this with a booster plugged in.
 
#5 ·
It will turn over quickly for a few minutes before eventually getting sluggish and feeling somewhat seized. Not running it constantly, of course, but for a few seconds at a time.

Here's a video from when it first happened in November:
http://www.youtube.com/watch?v=tQeCO25e-NE

And from last weekend when we did more troubleshooting:
http://www.youtube.com/watch?v=jo12k1GeWbI

Unfortunately, I didn't get any video from when it was turning over last weekend. It would spin, but never catch and every once in a while it seemed really clunky.
 
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