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Jan 23rd, 2013
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Thoughts #13325273 10/28/19 10:25 PM
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Der Vorsteher Offline OP
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I am not a mechanic at all so diagnosing boat problems is not my thing. So, talked to a few people and they have all came to the same conclusion. With that said I dropped ot off at the shop to be safe in case it is something worse.


On Saturday I went to caddo. Launched the boat got on plane and ran about 300 yards and boat lost power and stopped. It would idle with slight acceleration but when I tried to get on plane it bogged down. Trimmed up and the prop still spun with normal rpms. So my first thought was spun hub. That's the consensus with everyone in have talked to but the shop told me today no signs of spun hub. They are taking it to the lake to test it. Any thoughts on what else it could be?


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Re: Thoughts [Re: Der Vorsteher] #13325390 10/28/19 11:39 PM
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With what you describe, it is absolutely NOT a spun hub.

Re: Thoughts [Re: Der Vorsteher] #13325392 10/28/19 11:41 PM
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Sorry, just read where the shop said it wasn’t a spun hub.

Re: Thoughts [Re: Der Vorsteher] #13325395 10/28/19 11:44 PM
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Sounds like a fuel restriction which can be caused by quite a few things.

Re: Thoughts [Re: PlanoPaul] #13325446 10/29/19 12:15 AM
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Originally Posted by PlanoPaul
Sorry, just read where the shop said it wasn’t a spun hub.



They said no signs of spun hub but still possible. I'm hoping it isn't anything more serious.


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Re: Thoughts [Re: Der Vorsteher] #13325467 10/29/19 12:32 AM
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Mercury opti or Pro XS? If so, prob a fuel diaphragm rupture.

Re: Thoughts [Re: grout-scout] #13325469 10/29/19 12:34 AM
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Originally Posted by grout-scout
Mercury opti or Pro XS? If so, prob a fuel diaphragm rupture.



Yamaha Vmax 150


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Re: Thoughts [Re: Der Vorsteher] #13325471 10/29/19 12:36 AM
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Originally Posted by Der Vorsteher
Originally Posted by grout-scout
Mercury opti or Pro XS? If so, prob a fuel diaphragm rupture.



Yamaha Vmax 150



Yeah, I had just seen your other post and was fixing to delete my comment. Good luck with her, shouldn’t be too complicated or expensive. cheers

Re: Thoughts [Re: grout-scout] #13325476 10/29/19 12:39 AM
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Originally Posted by grout-scout
Originally Posted by Der Vorsteher
Originally Posted by grout-scout
Mercury opti or Pro XS? If so, prob a fuel diaphragm rupture.



Yamaha Vmax 150



Yeah, I had just seen your other post and was fixing to delete my comment. Good luck with her, shouldn’t be too complicated or expensive. cheers



I hope you're right!


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Re: Thoughts [Re: Der Vorsteher] #13330733 11/03/19 01:23 AM
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Agree that it sounds like a fuel issue...carbureted or fuel injection VMAX? I had a VMAX 150 that did the exact same thing. Cleaned the carbs and it ran like new again. I found a tiny bit of junk clogging one high speed jet.

Last edited by NCSkeeter; 11/03/19 01:24 AM.
Re: Thoughts [Re: Der Vorsteher] #13330939 11/03/19 01:29 PM
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Numerous fuel filters on V Max. You changed them recently?


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Re: Thoughts [Re: Der Vorsteher] #13331151 11/03/19 05:39 PM
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It is a 150 Vmax, just had carbs cleaned and all filters changed back in march.


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