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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
Continue reading "2007 25 hp mercury 4 stroke efi f25elpt s/n or185161"
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
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
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
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
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
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
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,
Continue reading "1983 Mercury 50HP 2-Strok Outboard – S/N: 6307834 – Propeller Question"
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
Continue reading "Mercury 60 hp 4 stroke efi 2004 Bigfoot 0T928101"
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
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
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
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.
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
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
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
Motor is running rough with some backfires every now and then.
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
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.
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
The motor died at 2500 rpm - I know it's a electrical problem but don't know where to start - battery fine
Can anyone tell me what the correct carburetor fuel tubing size is for a 2002 50hp 50ELPTO (serial # 0T572574) ? Thanks for help
Continue reading "Serial #0T572574 Model # 2002 50hp 50ELPTO"
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
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
Continue reading "Volvo Penta 5.7L, one of two dual motors in a 2002 Larson 330 Cabrio"
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
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
Fuel is coming out of the bottom of the engine , when I press the baffles on the fuel line
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
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.
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
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
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
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
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
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
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
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.
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
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
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
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
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
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
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
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
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
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
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 .
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