oil from head studs on M21?

Started by MBH, 31 Mar, 2022, 16:14

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MBH

31 Mar, 2022, 16:14
An M21 (1954) I have got going recently seems to have hot oil (or molten grease?) coming from around the head studs after a bit of a run. I don't know anything of the history of the bike but was wondering if this was down to someone putting grease on the gasket when it was last reassembled. If it had valve gear in the head I could understand this but not on a flat head engine like this?
I started riding with a left handed gearchange on a 3 year old bike and 32 years later have a right handed gear change and a 68 year old bike - progress ?

MBH

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10 Apr, 2022, 20:10
Must have been grease from a recent rebuild as after more riding around the 'oil' has cleared.
I started riding with a left handed gearchange on a 3 year old bike and 32 years later have a right handed gear change and a 68 year old bike - progress ?
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