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Name:	dmp -	Reply
Subject:	Yamaha PWC repair thoughts
Date:	7/22/2005 11:21:09 AM

We have a 1998 XL1200 that has some type of engine problem. Not sure if it us fuel related or lubrication/overheat.

In short my wife ran in some very silty water up in Sandy Creek (yeah, I know) and undoubtly got a lot in the engine. I went over to see what was happening and we got it out OK and had water coming out of the pitot tube on the side so everything seemed fine. She drove it back to our house (about 1.5 mi.) and no problems.

At this point I'm thinking we dodged a bullet. Anyway, the next day we took it out to pull our daughter on the tube (only going about 15mph) and after about 500 yds the engine died. It started right back up but would only go about 150 yds before dying again. By the way we never had an overheat indication and water was always coming out of the side pitot.

Upon arriving back at the house the engine did not feel excessively hot. I took it out a little later and it did the same thing only this time the starter locked upon trying a restart. For the weird part in 10-15 seconds it started fine. It did this twice as I got it back to the dock.

My question is could I have silt that settled around the cylinders overnight that is causing a hot spot but not really blocking water flow or do I possibly have an unrelated problem to the silt situation? Any thoughts or experience would be appreciated.

Also, if I have to take it in for repairs what are your thoughts on Montgomery Yamaha?

Thanks in advance for your input.

Name:	Lakeshore -	Reply
Subject:	Yamaha PWC repair thoughts
Date:	7/22/2005 11:31:07 AM

She may have sucked more than silt. Pull it out and check the drive underneath and see if something is binding up the impeller.

I doubt silty water would 'clog' your cooling system especialy if you see clear water running out. While it's out, flush the cooling system. If you still think it's not cooling properly you can pull the head and inspect the water jackets. A small amount of sand and dirt inside is normal.

It might be a good idea to check some other things at the same time like your plugs and the compression.

Name:	dmp -	Reply
Subject:	Yamaha PWC repair thoughts
Date:	7/22/2005 11:39:01 AM

Thanks Lakeshore.

I did check underneath and everything looks very clean through intake and impeller. I am planning on pulling the head this weekend and giving a complete flush of all lines. I'll also look at plugs.

I just hope I don't have any engine damage. When I took the boat out the second time (only for a hunderd yards or so ) it seemed to accelerate great but until I can put in premix to remove an oil pump issue and look around those cylinders I'm not going to run itr more than 1-2 minutes (just for a flush out).

Name:	MrHodja -	Reply
Subject:	Yamaha PWC repair thoughts
Date:	7/22/2005 12:03:34 PM

If the fix gets beyond your comfort level, and it isn't too much of a drive for you, give Ward's in Troy a call. They should be able to get to the root of the problem and correct it for a fair price. You might check on their backlog, though. At times they have so much work that it takes a while to get your machine back.

Name:	BhamGirl -	Reply
Subject:	Yamaha PWC repair thoughts
Date:	7/22/2005 4:53:53 PM

Hey you should post your question on sea-doo.net those guys know everything about pwc! I'm sure they could help you out.

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