Antifreeze drip?
- Thread starter thundermax
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Bill Seward
Well-Known Member
There is a small plug in the cylinder right at that spot. See the small allen screw right near the leak? That holds on that small cover, the plug is behind it. I'll bet you see the leak coming from there. It's been a long time since I messed with that part of my bike - but I recall I had the same leak about 20 years ago.. The little plug (brass, I think) was able to be removed by screwing the top of a spark plug into it (Take the screwed on part off the plug first, if it's there. The little thread is a perfect fit. Then just wiggle & pull the plug out. You're gonna lose coolant. Get a new one, put a bit of RTV on it, and gently tap it back into place. If that's where it's leaking from, it should be fixed...
EDIT: I left for a minute to find the part number for this little plug... 90338-11152-00 "Plug Special Shape". Costs about $4.50 each (From Ronayers.com) The bike uses 4 of them
Second thought: I believe I slobbered some silicone (or whatever I used to seal the plug) around the outside of the plug before I put the little cover back on. Maybe to have a bit more sealant there, I don't remember (Hey!, I'm OLD!!). In any case, it never leaked again, and totally forgot about it till I read this thread.......
EDIT: I left for a minute to find the part number for this little plug... 90338-11152-00 "Plug Special Shape". Costs about $4.50 each (From Ronayers.com) The bike uses 4 of them
Second thought: I believe I slobbered some silicone (or whatever I used to seal the plug) around the outside of the plug before I put the little cover back on. Maybe to have a bit more sealant there, I don't remember (Hey!, I'm OLD!!). In any case, it never leaked again, and totally forgot about it till I read this thread.......
Last edited:
88vmx12
Well-Known Member
MAN! Bill I wanted to give the secrets behind door #1 LOL.. I replaced all the rubber on my bike when I did the re-build even them little suckers..... a spark plug screws right into them so you can pull the metal plug. That is what I used anyways LOL
G
G
thundermax
Well-Known Member
Man, thanks alot. I love this place!!!!!!!!!!!
thundermax
Well-Known Member
Took off cover. Saw plug with rubber washer. Left washer alone. Put some Rtv on rim of washer and where washer contacts the cover. Reinstalled cover. Will let dry, see if it holds. Just wonder if I should have pried off washer, Rtv both sides of it.
unk: It's just a rubber plug. You can pull it and reuse it or buy a new one. You have 4 of them on your motor. If your fix does not work, pull it, clean it, and reinstall with rtv. Good luck, Spurs
Rusty McNeil
Well-Known Member
It's rubber with a metal insert to pull out out with.
+1 on a small dab of RTV on the plug before pushing it in.
I think covering it on the outside with RTV may work but perhaps only temporarily.
+1 on a small dab of RTV on the plug before pushing it in.
I think covering it on the outside with RTV may work but perhaps only temporarily.
thundermax
Well-Known Member
Ordering plugs. While ordering thought I'd get some oil drain plug gaskets, the compressing type. Anyone know the part number?
I hate those washers. I use Rector Seal. It's applied to joints on Gas and Diesel Pumps at gas stations and seals extremely well without the crush washers or, using the old one.. Unless you mean the one on the middle gear cover. It's needed...
