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Spigots on cylinders/heads where fitted to about the 1966/7 season, the 1965 model did have them, double speed oil pump were fitted from 1966 on, it was a common mod to fit these oil pump gears to earlier bikes. What is less well known is that post 1966 the oil block and holes in the crankcase to the oil pump were increased in diameter, meaning that it was twice as likely to wet sump; don’t ask me how I know when I did this mod.
Spigots on cylinders/heads where fitted to about the 1966/7 season, the 1965 model did have them, double speed oil pump were fitted from 1966 on, it was a common mod to fit these oil pump gears to earlier bikes.
What is less well known is that post 1966 the oil block and holes in the crankcase to the oil pump were increased in diameter, meaning that it was twice as likely to wet sump; don’t ask me how I know when I did this mod.
