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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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Sand under left hand PV cover!!!
Hi put new rings in my bike tonight. It was the 1st time I have had any of the left hand Power valve cover off and when I was undoing the bolt that holds the barrel, under the cover I noticed it was coated in sand!!
The only way I can see it has got in is through the drain tube, I thought of getting an inline filter like I have for the fuel line and putting on there but I don't think it will let the oil that seeps out escape. So any ideas? Just had an idea while writing this, a section of low density foam should stop it but would probably get blocked and need cleaning eventually. Has anybody else ever noticed this? I don't think the sand had got any further because it was stuck to the oil around the bolt but seems like a bad place for sand to get!! Ideas anyone?? By the way most of my riding is in sandy conditions. Cheers |
#2
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Carried in by water? Stall in a water crossing?
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#3
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Haven't stalled in a water crossing but I have done some very wet rides. So I guess that's a possibility. I guess washing the bike could cause this, although I don't use very high pressure water I guess it could be enough to force a little water/dirt up the tube. I'm going to try and think of a way of stopping anything getting up there while letting the oil still escape.
Cheers |
#4
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Honestly I've never saw that happen in 7 years with 3 GGs. I've been through deep water too, but never stalled there. Ridden many sandy/dusty enduros also. How is the line routed? You can plug the line and drain it manually after riding as well, My bikes with the line tied off.
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#5
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Sure it ain't carbon deposits?
My PV drain is zip tied like Glenn said. Drain it while at home........so you don't kill the Sabine Shiner living in the streams. |
#6
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Not Carbon deposits it is sand.
The line is routed down the back of the frame tube that is just below (this is how it came) it has a zip tie holding it but its loose. I have thought about squashing it down to stop the oil dribbling out on the back of my pick-up after a ride. Thanks for the info |
#7
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It may be possible that the exhaust pulses is creating a "vacuum" that can suck dirt into the power valve chamber.
Maybe I need to check mine. My bike has had a VERY wet life. |
#8
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Since you bought that new bike all it has done is rain! It's all your fault damn it!
__________________
Bikeless for Now Thanks to Smith's Powersports 724-899-3375 www.smithspowersports.com |
#9
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Quote:
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#10
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Maybe the line sould be routed back to the airbox , that way if it sucks air it'll be clean filtered air . When I had my YZ400 I read of a lot of the 4 stroke guys doing this mod .
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