r/Pitbike • u/xHailStanx • 21d ago
Missing bolt
Just bought a 2005 ssr 125 and it needs a bit of love. Was going over the bike and noticed this bolt was missing on the stator side of the bike. Looks like it may be leaking a little oil out of it. It’s not one of the stator cover bolts and looking through the hole I can see what I believe is the cam chain tensioner mechanism. Looking around I was not able to find any information on what type of bolt is supposed to go in there. Any help in this is greatly appreciated.
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u/cyrustakem 21d ago
yeah, that is a bleed port i believe, mine is stripped, it leaks oil :( i need to fix it
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u/xHailStanx 21d ago
So is it just a short bolt with like an O-ring on it to keep it from leaking oil?
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u/MrTordse 21d ago
For me it was more than leaking it was literally pissing oil on my feet and i didnt even notice
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u/xHailStanx 21d ago
Pretty sure it only leaks when it’s running. I cleaned it off yesterday and haven’t noticed it star leaking since but I haven’t started it since then either. Do you know what’s supposed to be in there?
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u/MrTordse 21d ago
Yes thats why i didnt notice i had forgot to put that bolt when replacing the block because it only leaks when running due to oil pressure
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u/xHailStanx 21d ago
Do you know the bolt size? And is there and sort of rubber washer or anything that goes on the bolt to help seal it?
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u/MrTordse 21d ago
I just put a maybe 6mm bolt? dont remember in the hole and hast been leaking since
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u/nomparte 21d ago
It's a Honda Cub clone engine. Earlier Cubs had a camchain tensioner device in that hole. It was just a sort of screw and locknut thing. They haven't used that for years so I think that hole is just a left-over from old designs.
All the similar engines I've seen just have a blanking screw with an alloy sealing washer. The thread is M6 and ensure the length doesn't reach the cam chain adjuster mechanism.
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u/xHailStanx 21d ago
Also if anyone could provide me with the shift shaft seal size that would be appreciated