Having engine problems.need help

[djetok]

I don't have any videos.i did run it without the shaft and impeller that I pulled out the rear to check for blockages.in or out it was noisy.sounds like marbles.check engine was displayed on the tach.

did it sound like marbles with the pump pulled?

 

[Brandon neidemire]

Yes it did

 

[Brandon neidemire]

Revs right up.doesnt miss either

 

[Brandon neidemire]

did it sound like marbles with the pump pulled?

Yes it did.revs up no missing though.im baffled

 

[Brandon neidemire]

Auto mechanic for 20+ years.sounds like internal badness.like a marble bouncing off inside of head cover

 

[Brandon neidemire]

did it sound like marbles with the pump pulled?

Wait!!! What do you mean by pump pulled?

 

[Brandon neidemire]

Wait!!! What do you mean by pump pulled?

Do you mean the shaft and prop out the back of the boat? Yes I had that out and noisy

 

[djetok]

Do you mean the shaft and prop out the back of the boat? Yes I had that out and noisy

Yes without the pump attached. If it was noisy then , it is definitely internal. Sometimes the pumps are loud from pump liner swelling or bad bearings.

 

[Brandon neidemire]

Yes without the pump attached. If it was noisy then , it is definitely internal. Sometimes the pumps are loud from pump liner swelling or bad bearings.

Best avenue for an engine swap? Sbt any good? Dealer Yamaha only?any advice?

 

[djetok]

Best avenue for an engine swap? Sbt any good? Dealer Yamaha only?any advice?

Man , I don't know. You could be part of the timing chain group. If so yamaha has been taking care of those. Obviously if it is the timing chain it is not completely broke yet.

https://jetboaters.net/threads/not-another-timing-chain-thread-thankfully.27038/

 

[Brandon neidemire]

Best avenue for an engine swap? Sbt any good? Dealer Yamaha only?any advice?

Man , I don't know. You could be part of the timing chain group. If so yamaha has been taking care of those. Obviously if it is the timing chain it is not completely broke yet.

https://jetboaters.net/threads/not-another-timing-chain-thread-thankfully.27038/

Do they have chain issues? A recall or something?

 

[Brandon neidemire]

Man this engine only has 350 hrs on it.cant believe it's such an issue

 

[djetok]

Do they have chain issues? A recall or something?

Yes they do. Search timing chain in the upper right. Lots of info.

 

[Brandon neidemire]

Thank you

 

[Brandon neidemire]

Update on engine.i contacted the dealer I got it from today.he said if it turns into needing an engine he will pay for a reman sbt engine to be installed.has anyone here had any experience with the sbt engines?

 

[WREKS]

I wonder if your boat threw the old 3/4 link timing chain? Did you research Timing Chain Issues?

 

[14SX190]

Update on engine.i contacted the dealer I got it from today.he said if it turns into needing an engine he will pay for a reman sbt engine to be installed.has anyone here had any experience with the sbt engines?

Never good.
Quality is an issue
Someone here had 3 during warranty iirc

 

[WREKS]

If it was a long block with the 4/5 link timing chain it may work. I would definitely want to have the work done by a Yamaha pwc/sport boat mechanic with references. I think JBN could assist in that. @Brandon neidemire Where are you located? Please update your profile.

 

[Brandon neidemire]

Hey guys tap my link and view my updated thread on this damn engine dilemma.i have since had both engines replaced and the port side engine that this current thread is about is having the same issues that blew the original.its at a repritable Yamaha dealer now but he is met his match.let me know if any info on my other thread please

 

[Brandon neidemire]

The engine prob wasn't timing chain.cause I have a new sbt engine in and have the same fuel delivery issues