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#11352008 - 01/17/16 03:48 PM How to properly use muffs
Big Mouth Brett Offline
Outdoorsman

Registered: 02/19/15
Posts: 114
So I have never really done boat maintenance but I'm curious to know how muffs are used. I put them on the intake at the bottom of my motor but no water came out of the impeller. Is that normal? Did I do it wrong? Does it have to run for a certain amount of time? Just didn't want to ruin my motor.

Thanks for the help

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#11352067 - 01/17/16 04:27 PM Re: How to properly use muffs [Re: Big Mouth Brett]
K.D. Offline
TFF Guru

Registered: 05/04/02
Posts: 14240
Loc: Hurst, TX
Look it up on YouTube. For example...

"Run muffs on Yamaha f115"

You'll find a video that will show you

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#11352127 - 01/17/16 05:07 PM Re: How to properly use muffs [Re: Big Mouth Brett]
Bugzout10 Offline
TFF Team Angler

Registered: 06/23/13
Posts: 4373
Loc: Mutha Earf
Do you mean it's not peeing take a needle and see it the [censored] hole is clogged this happens sometimes
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#11352137 - 01/17/16 05:15 PM Re: How to properly use muffs [Re: Big Mouth Brett]
Frank the Tank Online   content
TFF Guru

Registered: 02/27/13
Posts: 22599
Loc: Rockwall & a lake somewhere
Attach the hose to the muffs, put the muffs on lower unit over the water intakes and turn on the water. I always wait a coupe minutes and will hold the muffs tighter sometimes and adjust them. Then start the motor, give it a few seconds to [censored], if it doesn't shut it down, use a small nail to make sure the [censored] hole is clear. Should [censored]. if not, take it to a mechanic. Just my .02
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Talon Fishing - high quality, hand made lures
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#11352161 - 01/17/16 05:27 PM Re: How to properly use muffs [Re: Big Mouth Brett]
JT Evans Offline
TFF Team Angler

Registered: 04/18/07
Posts: 3739
Loc: DFW
Water faucet on full blast and no kinks in the hose. One time I didn't turn it up high enough and the motor never spewed so I shut it down. My Mercury might be different but the motor should spew fairly quickly if you have enough water pressure/delivery and no problems with the pump.

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#11352417 - 01/17/16 07:44 PM Re: How to properly use muffs [Re: Big Mouth Brett]
Bobby Milam Online   content
TFF Team Angler

Registered: 07/13/14
Posts: 3375
Loc: Arlington
I had one for my motor and it worked fine until I drove over it. Bought another one and it doesn't work either. Same house and same water pressure. I'm going to buy another one to try. I have plenty of pressure and no links so I can't really explain why some don't work.

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#11352426 - 01/17/16 07:48 PM Re: How to properly use muffs [Re: Big Mouth Brett]
NickHasty Offline
Extreme Angler

Registered: 12/11/11
Posts: 1369
Loc: Yankee Land U.S.A
what motor do you have?

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#11352441 - 01/17/16 07:56 PM Re: How to properly use muffs [Re: Big Mouth Brett]
44 Diesel Online   content
TFF Celebrity

Registered: 12/25/12
Posts: 5168
Loc: Burleson,TX
My Mercury has a hose connection directly to it, it's a 2000 225 optimax, I figured all the newer outboards would have gone that direction or something similar

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#11352667 - 01/17/16 09:32 PM Re: How to properly use muffs [Re: Big Mouth Brett]
Bobby Milam Online   content
TFF Team Angler

Registered: 07/13/14
Posts: 3375
Loc: Arlington
.


Edited by Bobby Milam (01/17/16 09:32 PM)

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#11352672 - 01/17/16 09:35 PM Re: How to properly use muffs [Re: Big Mouth Brett]
Drodge Online   happy
Drum Boy

Registered: 05/22/12
Posts: 6688
Loc: Euless
I ran into this issue last week. I had to get them in the exact right position to make it pick up. I had them too far back.

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#11352678 - 01/17/16 09:39 PM Re: How to properly use muffs [Re: Big Mouth Brett]
the skipper Offline
TFF Team Angler

Registered: 07/04/11
Posts: 3816
Loc: nederland, TX
It has to be positioned exactly right over the pick up holes. You are supposed to have a little nose cone deal to stop the water from coming out there. I just hold my hand over the nose cone till it starts peeing then it's usually good.

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#11352723 - 01/17/16 10:02 PM Re: How to properly use muffs [Re: Big Mouth Brett]
buggsboy Offline
Angler

Registered: 07/22/11
Posts: 310
Loc: Carthage, Tx/Lake Fork
Some motors have a thermostat that will not open until the motor reaches a set temp-this could delay the stream on a cold day.........for the motor I mean.
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#11352970 - 01/18/16 07:26 AM Re: How to properly use muffs [Re: 44 Diesel]
Bryanmc57 Offline
Pro Angler

Registered: 05/29/12
Posts: 515
Loc: Mineola, TX
Originally Posted By: 44 Diesel
My Mercury has a hose connection directly to it, it's a 2000 225 optimax, I figured all the newer outboards would have gone that direction or something similar


Don Weed (Mercury Master Technician and Merc moderator on BBC) says that hose connection should only be used to flush the engine, not run it. He recommends muffs if you plan to run the engine.

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#11353697 - 01/18/16 01:15 PM Re: How to properly use muffs [Re: NickHasty]
Big Mouth Brett Offline
Outdoorsman

Registered: 02/19/15
Posts: 114
Yamaha Vmax 150. the water was spewing out everywhere from the muffs so i will assume after reading most of these threads that i had it wrong. i just hadn't ran the motor in several months and wanted to crank it up. i guess when i am by myself it is kind of hard to hold them in place and start the motor.

Thanks,

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#11353841 - 01/18/16 02:05 PM Re: How to properly use muffs [Re: Big Mouth Brett]
Jaret Latta Offline
TFF Celebrity

Registered: 01/06/07
Posts: 7684
Loc: Austin, Tx/Nacogdoches, Tx
Make sure the muff is good and wet before you put in on. Nothing more frustrating than a dry muff...

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