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  1. S

    Hot exhaust elbow

    Hi all, 1994 Mercruiser 5.7 V8. Serial: 0F418132. Port side exhaust elbow (between the two rubber boots is running very hot after starting the engine. I removed the manifold and elbow and cleaned the waterways. I have pumped water through the manifold and elbow and have full flow I have...
  2. S

    Riser to manifold gasket?

    1994 Mercruiser 5.7 V8 350, carburettor. Engine serial OF418132. Raw water through manifolds and risers, coolant heat exchanger. I am banging my head against the wall with this one! I have looked and tried everything but still unsure. Which gasket do i use between the riser and manifold? is it...
  3. S

    Starboard side exhaust elbow running hot

    Hi all, i have a problem with the temperature gauge temp running higher than normal. I have replaced the impeller (slight damage) but still the same. I noticed that the starboard exhaust elbow was running hotter than the port side after a short run (60 SB/30 P degrees celsius). i removed the...
  4. S

    Mercruiser sea water pump weeping

    Hi all, i have just replaced a mercruiser sea water pump on 5.7 litre. The previous pump seized and appeared to have been leaking through the weep hole. I have just replaced with a new one, after a couple of minutes, the weep hole began dripping constantly. Am i doing something wrong!. The belt...
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