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Vintage Yamaha 3.5hp (1975) require advice please.

Andy (newbie)

New member
Hi,

This engine has not been started for three years, and has been stored upright in a locker in the shed.
I thought it would be best to change the water pump impeller prior to working on the upper engine service, and seeing if it still runs.

I've disconnected the gear shift rods and have split the lower half open and managed 1/2 inch seperation, however i'm unable to pull the bottom half out fully.

Do you have to disconect the driveshaft at the top? if so, how would i go about that?

Many thanks in advance.

Andy.
 
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