The blog for boats, sailing and fishing for marine electrics and electronics

This blog is all about what is making the news in the fishing and boating world. It is current and relevant and also has useful and practical boating information. Keep up to date with the marine electrical and electronics web log, the most current marine blog on the net!

Mar 07, 2023

2007 25 hp mercury 4 stroke efi f25elpt s/n or185161

poor wot rpm, I am working on this engine and it is giving me fits. Under load this engine will only reach about 2500 rpm at wot. With the fast idle I

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Mar 07, 2023

1998 115 2 stroke

Motor was running great, then an alarm would intermittently go off. I could get it to stop by trimming the engine up. I figured this was due to the oil

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Mar 07, 2023

Mercury 200XL. Year 2020. 6 cylinder

I have less than 80 hours on this motor and at a steady RPM/speed in calm water the RPMS jump 250-300 RPMS for 2-3 sec and the boat speeds up and then

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Mar 07, 2023


I have a 1992zx175 skeeter bass boat with a 200 mercury.I was going up the river,and all of a sudden the alarm under the dash goes off.I stopped the boat

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Mar 07, 2023

1999 Mercury XR6 150

I set my static timing like this: Sticker says Idle 4 ATDC WOT 20 BTDC Remove & ground spark plugs Unhook White/Blk wire Set Idle to 4 ATDC Set WOT to

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Mar 07, 2023

Mercury 250 pro xs 2020

Hello I just swapped all my batteries over to impulse lithium I own a 2020 triton 21 pro elite with a mercury 250 pro XS I have 2 HDS live 12's at the

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Mar 07, 2023

2013 mercury 25 four stroke efi

My engine cuts in and and out while running. Acting like it is maybe dropping a cylinder. Fuel system is clean and injectors seem to work fine when tested

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Mar 07, 2023

1983 Mercury 50HP 2-Strok Outboard – S/N: 6307834 – Propeller Question

I’m trying to replace the propeller on my Mercury outboard. I purchased a 24-foot Sun Tracker Party Barge pontoon used. The Mercury outboard had a 48-87818-9,

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Feb 19, 2023

Mercury 60 hp 4 stroke efi 2004 Bigfoot 0T928101

HP fuel pump doesn't come on. No voltage to hp fuel pump connector on top of VST when IGN on. No voltage to what wires I traced to 20 amp fuse in the 4

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Feb 19, 2023

Merc 50hpb Bigfoot 4 Cyl 4 Stroke 2001

Not firing on all 4 cyl under power. Idles fine, and sounds normal when rev'd out of gear. Just finished rebuilding carbs. Replaced all fuel circuit components

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Feb 19, 2023

1998 mercury 25hp bigfoot 4 stroke

It is on a 16 ft crest pontoon boat. 10 5/8 by 11 pitch prop. WOT is 5300 RPM. I switched to a 10 5/8 by 12 pitch prop RPM dropped to 4800 and engine begins

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Feb 19, 2023

Mercury optimax 90hp dfi 2014

Hi, trying to identify the sensor that is tucked in behind the oil tank, appears to have the fast idle cable around a linkage setup connected to a throttle

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Feb 18, 2023

2007 Mercury 115ELPT4S

Hey everyone, I have a little bit of aggravating troubleshooting. I have a 2007 Mercury 115 ELPT4S on a 24’ Bentley Pontoon. My serial number is 1B534635.

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Jun 10, 2022

Yamaha 250 2003 lz250txrb

I have installed a new water pump and it’s not moving any water. I have taken it apart to make sure I installed everything properly and I checked the thermostats

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Jun 10, 2022

2017 F70LA on 1625 Kingfisher

Won’t get up on plane so I changed the fuel filters and it seemed better initially ( up to 4700 rpm ) but after a few hours of fishing it would only come

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Jun 10, 2022

Suzuki df-25a 2018

2018 suzuki DF-25A starts instantly. Will troll all at at idle or slightly higher. Try to accelerate and it drops cylinders and dies. New tank, hose, recreation

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Jun 10, 2022

Johnson 20HP (J20CRERC) Serial G03590918

Motor is running rough with some backfires every now and then.

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Jun 10, 2022

Honda BF15d 2006

Hello. The problem with my outboard engine is this. After an hour of operation at low speeds, it starts to shake and one of the cylinders refuses. When

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Jun 10, 2022

Evinrude e60elcn 1982

I'm looking for someone to tell me what amperage the charge coil on this engine puts out, and if it's enough to charge 2 batteries at the same time.

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Jun 10, 2022

Evinrude etec E175DPXIN SN.05333781 2012

Engine runs great at high RPMs 1000 to 5000 RPMs. When all accessories are turned on it does not display any engine fault Codes.However when engine is

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Jun 10, 2022

90 hp 4 stroke 1991

The motor died at 2500 rpm - I know it's a electrical problem but don't know where to start - battery fine

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Jun 10, 2022

Serial #0T572574 Model # 2002 50hp 50ELPTO

Can anyone tell me what the correct carburetor fuel tubing size is for a 2002 50hp 50ELPTO (serial # 0T572574) ? Thanks for help

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Jun 03, 2022

V/P gm 5.7 GXI

high pressure pump keeps failing. Runs fine until I shut it off - then will not re-start. It fires but then quickly quits. I install a new high pressure

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Jun 03, 2022

Volvo Penta 5.7L, one of two dual motors in a 2002 Larson 330 Cabrio

Yesterday the boat was running great and on our way back in from 10 miles offshore. We had some problems with our batteries going dead very quickly while

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Jun 03, 2022

2009 300 4stroke

Running in both motors cut pff,tried to restart,nothing, has power to key,to both start buttons,trim fuel pumps has power,cleaned all batter terminals,checked

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Jun 03, 2022

2005 Suzuki 225 4 stroke etec

When I slow from being on plane to troll the alarm comes on and the boat sputters and stalls.( not always). I must turn the key off then restart the engineor

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Jun 03, 2022

Mariner 60 HO outboard engine 2097/2008

Fuel is coming out of the bottom of the engine , when I press the baffles on the fuel line

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Jun 03, 2022

Honda, BF90DK2, 2012

I've two 2012 Honda 90's on the back of a 6.3m aluminium cat, less than 500hrs on each. I have the following problems with both engines, it is intermittent

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Jun 03, 2022

Honda four stroke 2000 Ser# BAZL-3003299

3cyl 4 stroke, will start and run at 1500rpm and greater. Will not idol. Cyl #2 & 3 unplugged no change. Unplug #1 and it dies. #2 fires periodically.

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Jun 03, 2022

1998 Mercury Force 120 hp

When turning the key on there is no power to motor, trim or fish finders…power to trolling motor is fine. I tested the voltage with a meter and starting

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Jun 03, 2022

80s 70 horse force

Yesterday I had some problems with the starter spinning out at the first sign of ignition but finally was able to keep at it to start the motor and ran

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Jun 03, 2022

80s 70 hours force

Yesterday I had some problems with the starter spinning out at the first sign of ignition but finally was able to keep at it to start the motor and ran

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Jun 03, 2022

2021 f200

I accidentally shifted into reverse while moving forward about 15mph. The motor stalled but started back up and ran fine after this. Should I be worried

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Jun 03, 2022

Yamaha F50TLR 2010

Yamaha F50TLR Tach issue. 4 stroke runs fine but the tachometer quit working. This tach came with my Alumacraft boat. An analog Veethree mfg. I ordered

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Jun 03, 2022

yamaha 150 4 stroke txrd 1003291n

this year when i launched the boat the port eng. only went to 4400 then after running it again only went to 2600,it should turn over 5000

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May 28, 2022

F25 2021

Help, I had the dingy beached and when I came back the wave action had moved it ashore and the prop was covered in sand …. Got it off the beach, started

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May 28, 2022

Volvo penta 5.7gs

Boat will start fine and run for about an hour and then suddenly cuts off. It won't start back again until I wait 20 or 30 mins.

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May 28, 2022

2015 Suzuki 140hp 4 stroke. DF140A

When I went to commission the engine this spring the ebbing had no power to the key switch. Everything else works. I ended up having the batteries tested

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May 28, 2022

Suzuki 140HP 4 stroke 2006

My motor is on a pontoon boat. It starts easily every time, but last year it never would go full speed. It would get to 3600 rpm and slowly go down to

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May 28, 2022

2006 50hp 4 stroke fuel injected

Just picked up a 2006 pontoon with a 2006 50hp 4 stroke fuel injected motor. 1st time on water, motor ran really smooth but shift/throttle cable in reverse

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May 24, 2022

yamaha f60c 2005

Hi I'm trying to find out where the poppet valve si located on the engine if it has one. if anyone has a diagram it would be much appreciated. Thanks Paul

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May 24, 2022

1988 Bayliner Capri with a force 125 hp

I had the motor checked out and the mechanic said it would in good shape and started right up, I started the motor and pulled the killswitch to test it

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May 20, 2022

Mariner 2 Stroke 90 horsepower

Mariner 2 Stroke 90 hp

Please see pic of water oil mixture coming out of lower unit. Cannot tell yet, but almost feels like threaded screw hole. We just had boat out on water

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May 20, 2022

1990 Merc 200 xre efi

Motor starts & runs just fine, but once clearing the buoy line it will not take the throttle. Can only get 1800-2000r's. Bogs as if dragging the dock along

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May 20, 2022

Mercury 2015 75 hp efi

Engine slow to start and then shakes when running and cuts out after a few minutes. Checked spark plugs look ok, changed low pressuse fuel filter. Connected

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May 20, 2022

Johnson Fast Strike 175hp 1997 J175GLEUE

Intermittent misfire at idle or light throttle. Runs great at WOT. Issue began after pulling tube for about 30 minutes. No alarms or other issues. Replaced

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May 20, 2022

2000 Yamaha 150hp Saltwater Series II

I installed a new ignition switch in the Yamaha 703 controller and discovered it had been done before and by someone who southern engineered it. I tried

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May 20, 2022

Yamaha 200 4 stroke 2020

Add shake at 600 RPM only. I saw a remedy at or on the whole truth forum now I cannot find it can you help me .

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May 20, 2022

yamaha F70la 2012

After running at full throttle for 10-15 minutes, the motor starts to bog down like it's out of gas. I put it in the neutral position, then I squeezed

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May 20, 2022


Running along while I will throttle and all of a sudden it goes to like it's firing on only one cylinder one spark plug or something put it in neutral

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