2 replies to this topic

[dootndo2]

Now, there is another problem.

The motor is backfiring at 5000 RPMs. Not 4500 or 5500, but right around 5000 RPMs. It was reproducible numerous times (by tech). The boat was taken back to the shop to determine there was a fouled plug. The plugs were changed out and the boat water tested again. Still backfiring. The techs then looked at the new plugs and determined that there is oil on the plug in Cylinder 1.

At this point, they can't definitively say what is wrong with the motor without taking off the headers. They said that it is likely a valve seal leak or a cracked piston ring, but who knows. But it could be a scratch on the cylinder wall or a problem with the piston.

Other things to note is that the compression on Cylinder 1 looks normal and the boat runs normal (with the exception of the backfiring at 5000). I never drive the boat at 5000 RPMs because it generally hasn't cleared plane well enough to be manuverable. I usually idle around up to 3000 RPMs, use full throttle to get out of the hole and then generally cruise between 6000-6500 RPMs. It is very possible that it has always backfired and I just didn't notice it. So I plan to take it out and drive it to see if I can tell that there is a speed improvement and/or if there is a backfiring issue.

The boat has 112 hours on it and I'm concerned in two ways.

1. Not fixing it and having some type of major failure while on the water.
2. Dropping another $1500 to find out that they still can't figure out what the issue is.

I have met with another close by dealer and am working on building a case with Seadoo for their help/support. I really love the boat, but I don't want to have to drop $1500 in maintenance a year for this thing. It's just crazy.

I'm looking for ideas, suggestions, feedback, or experiences in dealing with Mother Seadoo (the company) to get these issues resolved.

And as always, thanks!

dootndo2

[logans runner]

I am new to the SeaDoo boats but not new with BRP. I think you have the right idea in starting a case and opening the lines of communication with the factory. I have seen them be very helpful with snowmobiles and I have actually been shocked with the out of coverage help the have offered to customers. I have also heard that if you go at them in a hard fashion the can be less than helpful.

Have you had the compression checked in all cylinders? Have you noticed any exhaust smoke? To my knowledge a valve seal leaking oil will be more noticable on start up.

I wish you good luck with the repair.

[dootndo2]

I am new to the SeaDoo boats but not new with BRP. I think you have the right idea in starting a case and opening the lines of communication with the factory. I have seen them be very helpful with snowmobiles and I have actually been shocked with the out of coverage help the have offered to customers. I have also heard that if you go at them in a hard fashion the can be less than helpful.

Have you had the compression checked in all cylinders? Have you noticed any exhaust smoke? To my knowledge a valve seal leaking oil will be more noticable on start up.

I wish you good luck with the repair.

The dealer told me that the compression is within tolerance. The only cylinder that has this issue is Cylinder 1. It does burn oil both in the water and when tested on a hose, it does smoke.

Other then the oil in the cylinder, the dealer said it's running great.

I'll keep posting back. Thanks for the support.

Any other suggestions are also welcome.

dootndo2