Johnson V45 Vactui carb

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Johnson V45 Vactui carb

Postby Callie30R » Sun Aug 12, 2018 8:15 pm

I am looking for service and repair info on the diaphragm Vacturi carb used on the S V VE 45-50 . Milt Moos provided me with owner's manual and diagrams which help a lot but I am looking for a repair and parts manual Ed 2 and 4 Johnson manuals have no info and Ken Cook doesn't either I am using one on my V45 a lot and am amazed at the fuel savings over the standard carb easily 20% - 30% fuel savings However the inlet valve leaks corroded surfaces so thru trying o rings I ended up facing the valve surface with rubber diaphragm material and the carb needs a precise distance from the phenolic diaphragm to operate properly but I can only guess . Any info as to where a manual could be found would be helpful
My contact info is Lincoln Davis

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Joined: Tue Mar 10, 2015 4:59 pm
Location: Hamilton ON

Re: Johnson V45 Vactui carb

Postby Chris_P » Sun Aug 12, 2018 8:45 pm

The only thing I can find in my documents is the Outboard Racers Manual....doesn't seem to touch on what you need though sorry.

I have never seen information published anywhere with information like that.....perhaps the best thing to do would be to measure a known good carb?

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