HELP Outboard not starting

Hey guys and Gals, B4 i take my boat to mechanic thought id ask on here 1st.

With 2 fully charged deep cell batteries my outboard motor is turning over as if the batteriees are flat. Even hooked up jumper leads to car and tried.  It just turns over real slow as if its flat as

Ive cleaned all terminals and fittings on batteries & starter and tightened all up. Still the same

 

Any help would be great

 

Cheers

 

 

____________________________________________________________________________

 Don't ask me. I've got no idea about fishing


Vinesh87's picture

Posts: 2751

Date Joined: 02/04/11

 Do the batteries have enough

Thu, 2013-06-13 13:46

 Do the batteries have enough CCA's for the motor? Jumper leads don't always pass enough current.

tim-o's picture

Posts: 4657

Date Joined: 24/05/11

Has it been starting fine

Thu, 2013-06-13 14:14

Has it been starting fine with those batteries before? Check the voltage (state of charge), if it is below 12.5v then the batteries may be low on charge or there may be an issue with a cell. Some deep cycle batteries arent suitable as a starter or high current draw battery, as Vin said, it should have a rating of atleast 300 CCA, would need to be a Hybrid battery for it to be deep cycle and suitable as a starter battery. Are the leads on the battery getting hot? Hot leads will indicate high current draw due to a short in the starter motor (poling). Can you turn the engine over manually? Take the plugs out and if it is difficult to turn over the motor may be seized....Im guessing two stroke?

You could always launch the boat and try push starting it in gear :/

____________________________________________________________________________

I am, as I've said, merely competent. But in an age of incompetence, that makes me extraordinary.

kempy's picture

Posts: 810

Date Joined: 28/05/09

Sounds like 1 of the brushes

Thu, 2013-06-13 21:00

Sounds like 1 of the brushes in the starter could be rusted up.

____________________________________________________________________________

Dinkum Auto Electrical A/C & Mechanical Unit 10/16 Kent way Malaga 0438755754 Also Mobile

Open 7 days except when we are fishn For all your auto electrical needs

Posts: 1535

Date Joined: 30/12/08

Just take the starter motor out

Thu, 2013-06-13 21:19

 yourself and drop of to someone like kempy or another auto sparkie of note and I'm sure you will be back in business for a moderate price

P.s DO NOT take the boat to a outboard mechanic they are real crooks and you will be told it was this and that and that was faulty.....heres your big bill pay up now

Posts: 5981

Date Joined: 17/06/10

Outwide + 1

Thu, 2013-06-13 23:17

I agree with outwide that is why I do my own repairs/servicing where possible