Possible HydroLock on Sea Doo Islandia.

[ww111]

When flushing, I turned the water on before the motor on a 2009 Sea Doo Isladia. Port side started flowing fine and all was well. Starbord starts and runs but no flow. Is there a way Un-Hydro-Lock it I'm on the ICW and running without flushing is not an option. Many thanks from the FNG.

 

[Cobra Jet Steering LLC]

hydro lock means the engine is full of water and will not RUN hydro-lock it's in the name so I think maybe your pisser is not working Not sure what the issue is also you make reference to port side and starboard side but If I recall correctly your boat has a mercury v6 power head so it has only one engine.

 

[ww111]

hydro lock means the engine is full of water and will not RUN hydro-lock it's in the name so I think maybe your pisser is not working Not sure what the issue is also you make reference to port side and starboard side but If I recall correctly your boat has a mercury v6 power head so it has only one engine.

Hydro lock is actually anything that's hydraulically locked, could be anything from a water pump to a turbine to a brake caliper. and you're remembering incorrectly. The 2009 Islandia SE has twin supercharged Rotex 4tec motors. Since they're side by side one is port and one is starboard. (Nautical terms) I just need to know why the starboard side is not flowing. Again, both engines, 2 of them, port and starboard, run.

 

[Cobra Jet Steering LLC]

I did check, and found that Islandia did start making the twin 4 tec engines in 2009. Can't be of any help with the hydrolock issue though.

 

[bumpy]

In this forum when people are talking about hydro locked engines they are referring to cylinders full of an in-compressible fluid, water. It does not sound like that is your issue, so is your engine with no visible pisser overheating? If not, it probably means the pisser assembly somewhere between the exit hole and pump is blocked. If not overheating, enjoy your trip until you can troubleshoot and fix.

 

[rkluck]

I agree with the above. Hydolock is when something that is supposed to compress air gets liquid in it at a quantity more than it can compress (which it can't) and then can't complete it's typical length of travel. This is usually associated with the combustion engine. Cobra Jet Steering not only has great products he is very knowledgeable. If the engine is running and not overheating the "pisser" is simply not working. I know they can get clogged by insects etc as well. You may try to unclog it from the outside with something like trimmer string. You could do this with the engine running so it will blow any debris back out if that is the issue. At least this work don my Yamaha Good luck.

 

[Cobra Jet Steering LLC]

That or just a small shot of compressed air, that is air that has been forced into a container that has a pressure that exceeds 14.7 pounds per square inch at sea level. lol

 

[biffdotorg]

What surprised me was that SeaDoo used one flushing port for twin engines. There is a "Y" in that connector of course. Tracing it back is an option, but Jeff mentioning blowing it out sounds like the best option.

Does it piss cooling water when running the engines on the water? If so, then you know your blockage is limited to the flush port to the engine. It should not be hard to track down.

 

[Babin Farms]

Try shoving a piece of wire into pisser line to see if there is something in there, otherwise trace the pisser line back to the Y or the engine and disconnect it. Try blowing air the same direction the water flows. I've had mud daubers plug up a pisser before.

 

[Scottintexas]

Port side started flowing fine and all was well. Starbord starts and runs but no flow.

Where exactly are you noticing it "flowing fine" from? some boat have multiple exit points for flush water and we just want to make sure we're understanding your problem correctly,

 

[afdouble]

That or just a small shot of compressed air, that is air that has been forced into a container that has a pressure that exceeds 14.7 pounds per square inch at sea level. lol

I'll have to admit, this made me laugh.

I don't know much about jet boats (including my 242 Limited S E-Series) but I read the forums enough to know not to "educate" Cobra Jet on mechanics, Red Thumper on Audio, and Mainah on electronics. I should probably throw in Swatski on this, too.

 

[ww111]

All, From what I can tell there are four cooling systems on the boat. One for the engine that is a sealed and pressurized unit like a car. And the other to cool the exhaust. Left and right. The starboard engine has a port just above the waterline where the starboard exhaust and exhaust cooling exit and the port side has the same for the port side. When flushing, the manual says start the engine first or you could damage something. When I put pressure (over 14.7 PSIA) before the engine start the Port side worked fine but no flow out of the starboard. I've tried the nylon trimmer line and put 100PSIA of air on both the flush and exhaust side and nothing. I'm trying to find out what "Breaks". Any and all help is appreciated.

 

[haknslash]

It's not hydrolocked if the engine turns over and runs. You have a clog or obstruction in the cooling system somewhere or a pinched line. How long was the water on before you cranked the engine? It would need to fill the exhaust canister before backfilling into the exhaust manifold to cause a hydrolocked engine. You would know if it's hydrolocked because the engine would not turn over because the valves and cylinders would be damaged (from trying to turn over with a cylinder full of water). If your engine is firing up and running then it's clearly not damaged (you were lucky) but if not seeing water flow out the jet pump then you likely have an obstruction or clog in that cooling line.

Does your boat have the garden hose screw in fitting or quick connect fitting for flushing back by the jet pump?

 

[ww111]

It's not hydrolocked if the engine turns over and runs. You have a clog or obstruction in the cooling system somewhere or a pinched line. How long was the water on before you cranked the engine? It would need to fill the exhaust canister before backfilling into the exhaust manifold to cause a hydrolocked engine. You would know if it's hydrolocked because the engine would not turn over because the valves and cylinders would be damaged (from trying to turn over with a cylinder full of water). If your engine is firing up and running then it's clearly not damaged (you were lucky) but if not seeing water flow out the jet pump then you likely have an obstruction or clog in that cooling line.

Does your boat have the garden hose screw in fitting or quick connect fitting for flushing back by the jet pump?

Yes it does, that's where I've connected the flush input line. do you know the Path of flow of the water? Is it pump housing>exhaust manifold>Coupler>muffler>out? or is there another step Does it go through the pump at the front of the engine??

 

[haknslash]

Yes it does, that's where I've connected the flush input line. do you know the Path of flow of the water? Is it pump housing>exhaust manifold>Coupler>muffler>out? or is there another step Does it go through the pump at the front of the engine??

I don’t have an account of the seadoo forum to open attached images but there is a diagram on post #4 in this link if you have the 4-Tec engines Towing: Which line to "pinch off" when towing?

 

[ww111]

I don’t have an account of the seadoo forum to open attached images but there is a diagram on post #4 in this link if you have the 4-Tec engines Towing: Which line to "pinch off" when towing?

Thank you, I've seen that. I see where the flush line enters the manifold and is then directed to the head pipe and muffler I will troubleshoot some more in the AM. Also R2ing the steering cable. Wish me luck.

 

[haknslash]

Cool glad you’ve obviously been searching around forums. I’ve been trying to google search for you but keep ending up at the same handful of threads on the seadoo forum. Hopefully you can find the obstruction or issue causing the water to not flow out of the pump. Are you throwing any overheat codes or you just shit it off quickly after noticing it wasn’t flowing out?

 

[ww111]

Cool glad you’ve obviously been searching around forums. I’ve been trying to google search for you but keep ending up at the same handful of threads on the seadoo forum. Hopefully you can find the obstruction or issue causing the water to not flow out of the pump. Are you throwing any overheat codes or you just shit it off quickly after noticing it wasn’t flowing out?

Shutting it off after getting no flow. Not getting to the horn.
This has certainly been a learning experience.

 

[ww111]

OK sportsfans... I'm here. Muffler and associated hardware removed and it's the manifold. 100% clogged from any port. Anyone else had this happen? Suggestions for what to clean it with?

 

[the MfM]

Holy Mackeral.

Holy Mackerel: Though markets weren’t normally open on Sundays in 17th century England, fishmongers were allowed to sell mackerel on the day of rest because it spoils quickly. This phrase today expresses surprise.


That will take the wind out of your sails, time to fire up the iron spinnaker.