Author Topic: Marks on Primary side of crankcase  (Read 362 times)

Offline Robthebluesguitarist

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  • B31 frame with A7 Shooting Star Engine
Marks on Primary side of crankcase
« on: 29.12. 2014 16:10 »
Stripping down my A7 Shooting Star Engine, on the Primary side Crankcase there is a marking 5.50+
Can anyone advise the significance of this please.
Near Cambridge UK