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Yamaha question
#11603511
05/15/16 03:01 AM
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Joined: Jan 2012
Posts: 250
StormVet
OP
Angler
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OP
Angler
Joined: Jan 2012
Posts: 250 |
Been noticing my 88 Yamaha pro v 150 carbed motor cutting out a lot lately. This week it started cutting out while running the lake to some favorite spots. About 2/3 throttle it would pick up then slow down a little then repeat the whole way. Today it had a hard time getting on plane. It did the first 2 throttle ups. Then I the third it wouldn't break plane. You could here the motors rpms go up but boat was bogging down. The motor died then would not crank. Trolled back to the ramp and trailered the boat. Then we found the battery ground cable has a break in it cable before the battery ground terminal. Now my question. Can a bad battery ground cable cause all these issues.
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Re: Yamaha question
[Re: StormVet]
#11643349
06/02/16 10:49 PM
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Joined: Feb 2013
Posts: 305
onfirecrappie
Angler
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Angler
Joined: Feb 2013
Posts: 305 |
Doesn't sound electrical to me. Sounds like fuel system. But I'm no mechanic.
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Re: Yamaha question
[Re: StormVet]
#11643493
06/03/16 12:05 AM
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Joined: Jun 2011
Posts: 2,733
militarybrat
Extreme Angler
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Extreme Angler
Joined: Jun 2011
Posts: 2,733 |
Yes the break or it breaking all the way can shut it down. As it is breaking you will get intermitent power along with low power causing coils not to fire. Fix the ground first, fire it up on the muffs run it if it runs good take it out and see. Keep it simple as what you have posted looks like a fuel issue also (not saying it is). One thing at a time.
Who ever said nothing in life is impossible. Never tried slamming a revolving door.
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Re: Yamaha question
[Re: StormVet]
#11643605
06/03/16 12:56 AM
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Joined: Mar 2005
Posts: 1,382
Freeman Clark
Extreme Angler
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Extreme Angler
Joined: Mar 2005
Posts: 1,382 |
+1 one on one thing at a time.Bet it is in the fuel.Let us know what you find.
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Re: Yamaha question
[Re: StormVet]
#11650645
06/06/16 09:48 PM
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Joined: May 2003
Posts: 11,586
gary purdy
TFF Guru
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TFF Guru
Joined: May 2003
Posts: 11,586 |
Manual fuelpump diaphragms.
The world will not be destroyed by those who do evil, but by those who watch them without doing anything. Remember what He has done and remember that He is not done yet!-- GOD IS GOOD
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Re: Yamaha question
[Re: StormVet]
#11650830
06/06/16 11:21 PM
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Joined: Feb 2006
Posts: 3,742
bronco71
TFF Team Angler
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TFF Team Angler
Joined: Feb 2006
Posts: 3,742 |
Take someone else with you and have them slowly and SAFELY pump the fuel bulb when it is acting up, if it fixes the problem check for bad fuel filter and then fuel pump.
1987 Nitro MX185/Mercury Black Max 150 1999 Triton TX21/225 Mercury Optimax
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Re: Yamaha question
[Re: StormVet]
#11654059
06/08/16 02:14 PM
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Joined: Jul 2010
Posts: 219
blondie
Outdoorsman
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Outdoorsman
Joined: Jul 2010
Posts: 219 |
If you have not replaced the fuel line and bulb you might as well replace it. That ethanol will ruin the line and bulb.
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Re: Yamaha question
[Re: StormVet]
#11654401
06/08/16 04:23 PM
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Joined: Feb 2009
Posts: 2,470
chikenfrie
Extreme Angler
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Extreme Angler
Joined: Feb 2009
Posts: 2,470 |
I'm kinda having the same issue, got out over the weekend and noticed my boat having trouble getting on plane but did. After that it wouldn't even get close to plane but still idled and ran fine at low speeds. I'm assuming it's a fuel delivery issue since my motor didn't rev quite like normal at WOT. Have you checked you prop hub? Maybe it's spun and needs to be replaced.
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Re: Yamaha question
[Re: StormVet]
#11654414
06/08/16 04:27 PM
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Joined: Feb 2006
Posts: 3,742
bronco71
TFF Team Angler
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TFF Team Angler
Joined: Feb 2006
Posts: 3,742 |
Not too sure it would be the hub, when mine spun the engine revved up really high like it was cavitating
1987 Nitro MX185/Mercury Black Max 150 1999 Triton TX21/225 Mercury Optimax
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Re: Yamaha question
[Re: StormVet]
#11657487
06/09/16 08:59 PM
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Joined: Mar 2010
Posts: 111
JZA
Outdoorsman
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Outdoorsman
Joined: Mar 2010
Posts: 111 |
My 06 vmax was doing the same thing last year. At first it would cut out when given about half throttle but run ok at lower speeds. It slowly got worse. I ended up finding that the carbs were gunked up. Pulled, stripped down, cleaned, and reinstalled them. It ran like brand new after that. It took a couple of hours but wasn't as hard as I thought it was going to be. I was able to go back with the same gaskets though.
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Re: Yamaha question
[Re: StormVet]
#11663600
06/13/16 01:14 PM
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Joined: Feb 2009
Posts: 2,470
chikenfrie
Extreme Angler
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Extreme Angler
Joined: Feb 2009
Posts: 2,470 |
Hey Stormvet, you get you issue figured out?
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