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 Water pressure problem 150 yamaha twostroke 1980s model

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Luiperd



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PostSubject: Water pressure problem 150 yamaha twostroke 1980s model   Thu May 26, 2011 4:26 pm

I know this is not a "Motor Vehicle" but I hope someone can give me some advice on this situation.


The engine has been giving me trouble with bad water pressure causing overheating.



At first we thought that it was leaking water into the exhaust port...



At this moment, I've changed numerous gaskets and it cost me a lot of trouble, hours and $ Crying or Very sad

Im still trying to find out what is wrong... I've replaced the modified exhaust now with a standard..

Will post news as soon as I tested it..
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Andre



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Age : 42
Location : POLOKWANE

PostSubject: HOE WEET JY DIE WATER DRUK IS NIE REG NIE HOE MEET JY DIT    Wed Jul 13, 2011 9:59 pm

Luiperd wrote:
I know this is not a "Motor Vehicle" but I hope someone can give me some advice on this situation.


The engine has been giving me trouble with bad water pressure causing overheating.



At first we thought that it was leaking water into the exhaust port...



At this moment, I've changed numerous gaskets and it cost me a lot of trouble, hours and $ Crying or Very sad

Im still trying to find out what is wrong... I've replaced the modified exhaust now with a standard..

Will post news as soon as I tested it..
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Luiperd



Posts : 3
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Join date : 2011-05-16

PostSubject: Re: Water pressure problem 150 yamaha twostroke 1980s model   Thu Jul 14, 2011 8:17 am

Op die "Outboard motors" bokant die "heads" by die "thermostats" is daar 'n port waar jy 'n pypie op koppel wat na die water druk meter op jou dash gaan, hy meet die fisiese druk aan die bokant van die "head" voor dit deur die "thermostat" gaan.

Die interesante is dat die motor net water druk verloor indien jy oor 5 000 rpm gaan, onder dit werk alles normaal.
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