New 1970 40 HP JOHNSON OWNER

[boater10]

I just bought a used boat/motor/trailer. It came with a 40 Hp johnson (Model 40es 70a - Serial C 30934). Two part quetion. First, would anyone know the oil/gas mix for this motor. The seller stated it has been run for about a year but the engine looks in great shape. Second, under the aft there is an electrical box in which I believe is a solenoid for the starter because the red battery cable is attached there. I don't know where the black cable to the battery goes. The problem is I'm not shy of electrical but the key is wired to the, i guess, dash and the controller is hook up. Maybe I'm making this harder than it appears. The seller gave me a black battery cable to be hooked up. Anyones ideas, suggestion would be greatly appreciated. Hope to hear from some good Johnson owners.<br />Thanks and Cheers,<br />From NOVA SCOTIA, Canada<br />Steve

 

[boater10]

Re: New 1970 40 HP JOHNSON OWNER

Hey Guys, really need help thanks.

 

[Paul Moir]

Re: New 1970 40 HP JOHNSON OWNER

Welcome to Iboats, boater10!<br /><br />Congrats on the new boat. That engine takes a 50:1 mix with 87 octane gas and TC-W3 rated outboard oil. That's 20ml of oil for each litre of gas.<br />The black battery cable normally hooks up to the bottom bolt/nut of the electric starter's bracket. Really you could hook it up to a number of places on the block, but that tends to be the most convinient.<br /><br />If you ever get fiddling with the ignition switch, it's ultra-important to know that the 12 volt system has absolutely nothing to do with the ignition system. It just cranks the engine.<br /><br />Hope that helps, and if you've got any more questions don't hesitate to ask!

 

[krb113]

Re: New 1970 40 HP JOHNSON OWNER

Welcome Aboard!!<br /><br />My '71 40 hp E'rude was GIVEN to me!! Johnson is same. 1) Would be 50:1 mix. 2) My solenoid switch happens to be in the motor cavity. I have a '59 18 hp John. that has the solenoid switch in the box you are describing. My black (neg) cable was in my wiring harness and went to a ground situation at the motor (basically any bolt big enough for the lug to bolt to). 3) ENJOY!! That's a lot of what everyone here does besides actually using their boat!!