Hilko Posted May 16, 2023 Share Posted May 16, 2023 Just noticed oil is weeping from the rocker cover gasket all around the front half or so. I have bought a replacement (Athena)available from wemoto but it doesn’t come with the 4 sealing washers I vaguely remember from the last time I fit ted a new gasket and which are also mentioned in the Haynes manual. Are these strictly necessary and if so what size and material are they? I haven’t taken the cover off yet so just wanted to have everything needed together to do the job quickly. Quote Link to comment
Hilko Posted May 16, 2023 Author Share Posted May 16, 2023 Hopefully that is my question answered. Four of the holes are bigger than the others and I thought I remembered some seals for these ? I am getting on a bit so maybe not Quote Link to comment
imago Posted May 16, 2023 Share Posted May 16, 2023 Do you mean the two locating dowels in the rocker cover? They don't have seals, just larger holes in the gasket. Or the four half moon rubbers at the end of the cams? They need to be ordered separately to the gasket. Quote Link to comment
Hilko Posted May 16, 2023 Author Share Posted May 16, 2023 I forgot about the half moon rubbers. Can’t they be reused with a bit too f silicon if they haven’t totally hardened? The gasket I received has 4 holes larger than the rest, presumably for the locating dowels which if there are only 2 might suggest the gasket is usable either way round but it doesn’t look exactly the same either side. Quote Link to comment
imago Posted May 16, 2023 Share Posted May 16, 2023 I think that may just be a slightly different way of making the same thing. If you Google image search for a Cometic rocker cover gasket you'll see that instead of those four large holes there's just a thin strip round the outside. The other difference you'll notice is Cometic use a little joint strip of material to keep the inner pieces in line. Just different manufacturer's ways to acheive the same outcome. Personally I'd replace the half moons unless they were recently fitted as I'd hate to have to pull it down again if they did leak. Quote Link to comment
Hilko Posted May 16, 2023 Author Share Posted May 16, 2023 Thanks for that. I think the gasket on the bike must be the cometic type, as it is as you describe. Any idea where I can get the rubbers? Quote Link to comment
imago Posted May 16, 2023 Share Posted May 16, 2023 Robinsons Suzuki, CMSNL, Eblag, probably quite a few other places too. Quote Link to comment
Rijko Posted May 16, 2023 Share Posted May 16, 2023 (edited) 1 hour ago, Hilko said: I forgot about the half moon rubbers. Can’t they be reused with a bit too f silicon if they haven’t totally hardened? For the K@w@ Z900 they have aluminium aftermarket ones, i have never seen them for Suzuki. Had some made for my GS1000 years ago, with a small lip on the inside to prevent them being pushed out. Alas, the guy that made them stopped his business .. Edited May 16, 2023 by Rijko 1 Quote Link to comment
Hilko Posted May 16, 2023 Author Share Posted May 16, 2023 Cmsnl prices are ridiculous for everything. I’ll try one of the others. Cheers. Quote Link to comment
Hilko Posted May 16, 2023 Author Share Posted May 16, 2023 What is the actual name of the half moon rubbers as I get f all when I search? Quote Link to comment
rodneya Posted May 16, 2023 Share Posted May 16, 2023 they are on the head parts diagram. Quote Link to comment
Hilko Posted May 17, 2023 Author Share Posted May 17, 2023 Sorted. Thanks folks. 1 Quote Link to comment
johnr Posted June 1, 2023 Share Posted June 1, 2023 Might be a bit late to mention it, but remember there are two different cam cover gaskets, 20 bolt and 24 bolt. Plus, are you sure your oil leak isn't failed o rings on the centre cylinder head bolts? 1 Quote Link to comment
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