Beta Paint

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KAM

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The red paint is flaking off my 9 month old Beta leaving bare metal in places particularly round the gearbox adaptor and heat exchanger. Has anyone else experienced this. What is the long term prognosis for corrosion on this engine. I am just about to take the engine out again for rework and would appreciate any comments and experience from other users.
 
Mine did this a bit - BETA said they'd be happy to bring some touch up paint to the boat show for me to collect, but in the end I used some Halfords red engine paint (ever so slightly different shade but looks fine).
I don't think they have a corrosion problem - mine was due to a slight leak.
 
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Our Beta is four or five years old and the paint is lasting fine, except around the engine mount to the rear on one side of the engine, which I eventually discovered was the result of an anti-syphon valve leaking and spraying the area with salt water.

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I have had exactly the same experience. Have you attempted to treat the corroded area in any way? (Sorry about the thread creep.)
 
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I have had exactly the same experience. Have you attempted to treat the corroded area in any way? (Sorry about the thread creep.)

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Not yet, I will have a go in the winter.

However if you've got the same problem (i.e. leaking anti-syphon valve) watch out [further thread creep alert!] - our engine conked out, and it was eventually discovered that the air intake had been sucking in the salt water spray from that small leak (air filter covered in salt), which somehow had apparently dislodged carbon on the valves leading to lack of compression. Fortunately no serious damage, except a serious dent to my wallet in having engine stripped, engineers flummoxed and head cleaned up. We've now replaced the Vetus anti-syphon valve (an outrageous £68 - couldn't see why it wasn't sealing, cleaning didn't help), put a length of transparent hose from the air vent of that valve down to the bilge in case the new valve ever does the same, and angled the intake of the air filter downwards.
 
[However if you've got the same problem (i.e. leaking anti-syphon valve) watch out [further thread creep alert!] - our engine conked out, and it was eventually discovered that the air intake had been sucking in the salt water spray from that small leak (air filter covered in salt), which somehow had apparently dislodged carbon on the valves leading to lack of compression. Fortunately no serious damage, except a serious dent to my wallet in having engine stripped, engineers flummoxed and head cleaned up. We've now replaced the Vetus anti-syphon valve (an outrageous £68 - couldn't see why it wasn't sealing, cleaning didn't help), put a length of transparent hose from the air vent of that valve down to the bilge in case the new valve ever does the same, and angled the intake of the air filter downwards.

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Can I take it the valve shouldnt let water through on a regular basis?
 
There are two types - one that squirts out water (usually overboard!) and one that doesn't. The one that doesn't, if it is, needs servicing, if you see what I mean!
 
My 5 year old Beta has been shedding for a year or two and I plan to lift it out to retouch.The gearbox lever wich is steel is beginning to show serious corrosion and I'm going to treat it with an epoxy primer.The aluminium castings don't hold the paint well so an etching primer should be used.
I made my own anti siphon valve with a simple welded up s.steel elbow that discharges at the transom.Never had a problem and I can always check the exhaust water temperature by hand.
 
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