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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc. |
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Thread Tools | Display Modes |
#1
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Oops, overheated ec300, what's the damage?
Was out yesterday and holed a radiator, didn't notice until a little later, no water in the rad and very little compression, bike wouldn't restart so got towed home. Looks like the barrel has gone a bronze colour (don't remember it being this colour before!).
What's the likely damage?? Thanks |
#2
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Likely need to replate the cylinder, check the head for flatness, piston, rings, and too end bearing ... maybe
PlusOnePerformance
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Steven Beane #275 PlusOnePerformance - Superior Service the World Over - Dearborn MI AMA District 14 (Michigan) Officer afterhourscycle.com Michigan's Beta and TM Race Headquarters |
#3
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Other than the color how does the cylinder look? Are there any scratches or missing plating? How do the piston and rings look?
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#4
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Just had the head off, the bore looks ok, the exhaust was full of water, drained the gearbox oil which didn't look to have water in it.
Does that sound like a warped head, passing water from the jacket into the cylinder and out of the exhaust port? |
#5
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Did it get hot enough to melt the cylinder head o-rings? That could be where the water in the exhaust came from
__________________
Fred Overstreet 2010 EC250 SixDays 2004 GasGas EC300 -Sold to a good home 2006 GasGas EC250-Sold to a good home 2006 GasGas TXT 280 Pro |
#6
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Er, what o rings!! I think that might be the problem. Thanks
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#7
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Yep that will do it!
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#8
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Heh! It's often the simplest things Sounds like you might have gotten lucky though.
__________________
Steven Beane #275 PlusOnePerformance - Superior Service the World Over - Dearborn MI AMA District 14 (Michigan) Officer afterhourscycle.com Michigan's Beta and TM Race Headquarters |
#9
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Gents, another question, I'm trying to pull the barrel off and need to remove the pin / nut that attaches the power valve actuator plate to the actuating rod. Is it right that this just pushes into the loop at the top of the rod? I was expecting it to be threaded into place, also how does the pin come off ( I' m assuming I remove the nyloc nut and it slides out from the other side of the rod, but it's a bit dark in the shed to say for sure!)
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#10
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Quote:
PlusOnePerformance
__________________
Steven Beane #275 PlusOnePerformance - Superior Service the World Over - Dearborn MI AMA District 14 (Michigan) Officer afterhourscycle.com Michigan's Beta and TM Race Headquarters |
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