On oil migrating from gearbox into the gear change cover . If all else , CS sprocket seal etc is functioning then it's usually a case of too much oil in the transmission housing . It requires only one full qt. from drained to properly lubricate the internals . It should JUST
Glisten on the dipstick tip , no more , not up midway on the flat .
It's quite easy to fit an O ring behind the gear change ratchet spring cup lessening loss from the bush there too . See to all these and barely any oil will transfer across . All our motors get these suggestions and such is the case with all of them . Sid .
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