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Max Online: 36273 @ 01/23/13 02:34 PM
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#11283526 - 12/15/15 09:37 AM Mercury 225 EFI --- 2000 yr
Nutman Offline
Extreme Angler

Registered: 11/01/13
Posts: 2634
Loc: Athens, TX
any issues or problems with this motor ?
anyone have any comments about the motor ?
_________________________
....NUTS....



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#11283574 - 12/15/15 09:55 AM Re: Mercury 225 EFI --- 2000 yr [Re: Nutman]
Outdoordude Offline
Extreme Angler

Registered: 04/20/09
Posts: 1961
The EFI's are pretty solid from what I can tell. Buggy electricals from time to time but mechanically solid. I have a 2003 EFI with nearly 700 hours that still runs fine.

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#11283579 - 12/15/15 09:56 AM Re: Mercury 225 EFI --- 2000 yr [Re: Nutman]
Ken A. Online   content
TFF Celebrity

Registered: 10/02/06
Posts: 7751
Loc: Trophy Club, TX
I had one. It is bullet-proof providing the owner(s) have maintained it properly. Check the compression and make sure it is consistent across all six cylinders at 100-110 psi and look at the LU grease closely. If it is milky looking it could cost you $500 to $1500 to rebuild depending on how much you have to replace.

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#11283582 - 12/15/15 09:57 AM Re: Mercury 225 EFI --- 2000 yr [Re: Nutman]
Karl Dietz Online   content
Pro Angler

Registered: 07/07/13
Posts: 925
Loc: Weatherford, Texas
2005 225 Optimax with over 500 hours....starts and runs like new!
_________________________
Karl Dietz
2015 BassCat Cougar/250 Mercury ProXS
2 HB Helix 12's


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#11283617 - 12/15/15 10:11 AM Re: Mercury 225 EFI --- 2000 yr [Re: Nutman]
furim2 Offline
Angler

Registered: 04/16/08
Posts: 423
Loc: Pilot Point, TX
Merc's 225 EFI was their workhorse. Like the guy said, bulletproof. I had about a half dozen of them including a 2000. Faster than an Opti, and more dependable back then. Problem is, carry your credit card, it loves to stop at gas stations.

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#11283628 - 12/15/15 10:16 AM Re: Mercury 225 EFI --- 2000 yr [Re: Nutman]
lipjerk Online   content
Extreme Angler

Registered: 03/04/09
Posts: 1678
Loc: Lantana,Tx
My 2000 Nitro 929 has a '97 Merc 225 efi with about 450 hours, runs like a top with zero issues.

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#11283630 - 12/15/15 10:17 AM Re: Mercury 225 EFI --- 2000 yr [Re: furim2]
LoneStarHusker Offline
Angler

Registered: 04/20/10
Posts: 400
Loc: Dallas
Originally Posted By: furim2
Merc's 225 EFI was their workhorse. Like the guy said, bulletproof. I had about a half dozen of them including a 2000. Faster than an Opti, and more dependable back then. Problem is, carry your credit card, it loves to stop at gas stations.


Agree with everything said here. They are thirsty little beasts.

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#11283790 - 12/15/15 11:42 AM Re: Mercury 225 EFI --- 2000 yr [Re: Nutman]
Nutman Offline
Extreme Angler

Registered: 11/01/13
Posts: 2634
Loc: Athens, TX
Don't mind the gas if they stay running and don't have issues.
_________________________
....NUTS....



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#11283793 - 12/15/15 11:42 AM Re: Mercury 225 EFI --- 2000 yr [Re: Nutman]
Nutman Offline
Extreme Angler

Registered: 11/01/13
Posts: 2634
Loc: Athens, TX
Don't mind the gas if they stay running and don't have issues.
*****
Thanks for the replies, it helps.
_________________________
....NUTS....



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#11283801 - 12/15/15 11:46 AM Re: Mercury 225 EFI --- 2000 yr [Re: Nutman]
Hunter's Dad Offline
Pro Angler

Registered: 01/29/09
Posts: 899
Loc: Between Rayburn and Toledo
Have a 1996 200 EFI. Second owner and run the fool out of it. No issues.
_________________________

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#11283832 - 12/15/15 12:04 PM Re: Mercury 225 EFI --- 2000 yr [Re: Nutman]
jackmason Online   content
Extreme Angler

Registered: 06/04/06
Posts: 1809
Loc: Plano
Had 99 200 EFI and no issues at all. Ran strong too.

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#11284003 - 12/15/15 01:27 PM Re: Mercury 225 EFI --- 2000 yr [Re: Nutman]
PlanoKeith Offline
TFF Team Angler

Registered: 01/13/11
Posts: 3408
Loc: Plano Texas
I have a 1999. and it is dependable and a beast with power. . Mine came without the oiler when i bought it. I premix and it has never had any problems, I change plugs and fuel filter every year plus lower unit lube. So far 300 hours later it has been a fine motor. smile
_________________________
Keith smile

www.moestackleshop.com

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#11284083 - 12/15/15 02:07 PM Re: Mercury 225 EFI --- 2000 yr [Re: Nutman]
Bryan O' Online   content
Outdoorsman

Registered: 09/26/12
Posts: 141
Loc: Cypress Texas
Excellent motor. Son has one on his '99 Ranger 519DVS. Very reliable, and strong. Pushes that boat 72-73, but yes it likes the gas. Love it in the morning when all the SHO's sound like Buick V-6's and the Pro XS's sound like the compressor in the garage, but his EFI is growling, spitting, cussing, barking like a hotrod big block in a street rod. Awwwuuuu!!
_________________________
Bryan O'
Total Recreation Products Inc.
Commercial Park and Playground Products and Services
totalrecreation.net
Ranger Z520 250ProXS

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#11284320 - 12/15/15 03:37 PM Re: Mercury 225 EFI --- 2000 yr [Re: Nutman]
bigfishtx Online   content
Extreme Angler

Registered: 07/05/10
Posts: 2838
Loc: Justin, TX
Probably the best motor I've owned.

It did have one problem, the water pump housing bent on mine, from the lower unit pressure getting too high. I noticed the problem at a tournament, I had lower unit fluid leaking out of my low water pickups on my lower unit. Talk about a lot of head scratching. The fix (from Mercury) was to use the stainless housing plate off the 250 XB. It required drilling and tapping holes and screwing down the plate over the impeller. It fixed the issue.

I love my Yamaha, but honestly, it doesn't compare to that older 225 EFI, that thing was a beast. You can advance the TPS a little, put hotter plugs in it and will scream. 6100 RPMs turning a 27" Power Tech equaled 82 mph gps in a Gambler Intimidator.

Like Bryan O says, that motor has a unique sound, I really miss it and get a little envious when I hear one.
_________________________
I love to fish...... but only when I'm alone or with somebody

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#11284574 - 12/15/15 06:04 PM Re: Mercury 225 EFI --- 2000 yr [Re: Nutman]
boatmannmike Offline
Outdoorsman

Registered: 02/03/15
Posts: 48
For the most part, they are great engines. Couple of don't do's: Mix different brands of oil in the remote reservoir. scrimp on water pump maintaince, lower unit oil changes, and thermostat replacements. Nothing any other motor would require to give excellent service. and lastly DO NOT MIX LEADED AND UNLEADED FUELS.....BAD JU-JU WILL HAPPEN

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