Motor advice needed

Can anyone tell what the build up on the leg of my bf50 suzi is, Motor oil looks good and hasnt droped but worried it might be gearbox leaking. Looks worse in the pics than in real life.

cheers.

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THE BEST BILGE PUMP IS A SCARED MAN WITH A BUCKET

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Walfootrot's picture

Posts: 1385

Date Joined: 23/07/12

Is it a 2 or 4 stroke?

Fri, 2018-08-17 13:06

Is it a 2 or 4 stroke?

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More drum lines, kill the bloody sharks!

cobia15's picture

Posts: 300

Date Joined: 04/01/12

Four Stroke

Fri, 2018-08-17 17:38

Four Stroke

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THE BEST BILGE PUMP IS A SCARED MAN WITH A BUCKET

Scotte's picture

Posts: 1145

Date Joined: 07/12/06

 Completely normal .I think

Fri, 2018-08-17 21:19

 Completely normal .I think its baked on from the heat

Notice it's only on the mid section(metal)

Clr removes it.

ChrisG's picture

Posts: 558

Date Joined: 30/12/11

 Seen it on nearly every

Fri, 2018-08-17 21:52

 Seen it on nearly every motor I’ve ever seen. Never been concerned. Always just assumed it’s heated salt residue. Or even calcium from washing the motor faring left to dry in sun.

cobia15's picture

Posts: 300

Date Joined: 04/01/12

Thanks guys, after looking at

Sat, 2018-08-18 01:35

Thanks guys, after looking at the patern its way to symetrical for oil, identical on both sides. I think this might be where the exhaust heats the cover the most leaving salt and calcium from the water.

Cheers

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THE BEST BILGE PUMP IS A SCARED MAN WITH A BUCKET

straith's picture

Posts: 421

Date Joined: 25/11/13

Sprinklers?

Sat, 2018-08-18 15:03

 

Paj man's picture

Posts: 360

Date Joined: 16/09/12

Suzuki

Sat, 2018-08-18 17:22

Must be a Zuke thing - I've had it on mine and most of the other motors I've looked at have similar. I solved mine with a can of Suzuki spray paint - looks brand new now

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aka Nick

Alan James's picture

Posts: 2223

Date Joined: 30/06/09

...

Sat, 2018-08-18 17:42

I have similar on my Hondas.  It has been discussed on here before and someone commented that vinegar removed the marks.  I tried that without success.

http://fishwrecked.com/forum/white-scale-outboard-leg

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Posts: 18

Date Joined: 29/09/15

DF140

Tue, 2018-08-21 16:41

Same on my DF140, just salt residue comes off with a good polish.

Posts: 668

Date Joined: 28/11/16

 Is calcium build up. Try

Tue, 2018-08-21 18:35

 Is calcium build up. Try test patch with CLR?