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CrashGear

Can anyone tell me where these go in the engine,

8 posts in this topic

Son decided an Oil Change meant Tearing the engine apart, so now I am cleaning up the mess. It's a 2000 YZ426F. I have these little not sure what they are or where they go any ideas would be great.. There are like 4-5 of them two dif sets that look almost alike except for a tiny diff.. 

 

 

Thank in advance

ScreenHunter_03 Apr. 26 12.30.jpg

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Those are valve stem seals... Did you take the head apart? (Take out the valves)

Awesome and TY no I did not take the Valves out, trying to make sure I can even find all the parts.. Not sure HOW he equated Oil Change with Dad I TORE the engine completely apart.. And no I have not yet I will do that today.. 

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Awesome and TY no I did not take the Valves out, trying to make sure I can even find all the parts.. Not sure HOW he equated Oil Change with Dad I TORE the engine completely apart.. And no I have not yet I will do that today.. 

One thing I noticed there are two types and I HOPE he did not take the old ones out. BUT if he did would there be a place I could find an image that would show which one went where..

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They should be in two sets, one matching pair and the other three alike (exhaust and intake).  It's very unlikely that he had the valves out since it requires a compressor tool at least for the reassembly. 

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Its a 5 valve head, there should 2 that are the same and 3 others that look alike, the 3 that are identical go on the intake valves, the 2 others on the exhaust.

Unless he bought a gasket set and those are what's left over, I don't see how he could of ended up with the seals, without stripping the head...

Edited by vintage78

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They should be in two sets, one matching pair and the other three alike (exhaust and intake).  It's very unlikely that he had the valves out since it requires a compressor tool at least for the reassembly. 

TY yeah he opened everything so I am playing guessing here.. 

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Wait till you get to play the 'guess where the shim goes' game... Thank god there are only 5 valves...

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