Old merc 110 rpm range?

Hi All,
Got a 1970 9.8 hp 110. I want to check the wot rpms, but can't find what the rpm rating is.
Anyone know?
Thanks
Tom

A '72 model 110 wot rpm range is 4500-5500,
according to clymers manual,

Would be bugger all difference to a '70

In 1967 the range was 5000 - 5400,

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