Mercury 4 Stroke Outboard Motor Problems

Oktober 19, 2021 Posting Komentar

Firstly try replacing the temp sensor. Couldnt get into throttle or motor would die.

2019 Mercury 25 Hp Efi 25eh Outboard Motor Outboard Motors Outboard Outboard Motors For Sale

My father purchased this 25 hp jet drive 4 stroke outboard new 2 years of very little use it quit running.

Mercury 4 stroke outboard motor problems. If not then there is a blockage. SPECIFICATIONS 40 EFI HP kW. I had these problems when it was new.

Feels like its out of gas but if i drop to half throttle it runs fineI can troll all day with no problems and it doesnt happen every time i use it. In 2003 a recall on 1998 30 liter outboards over steering arm bolt holes affected 6830 motors. Right after the engine dies even when there are no fault codes.

I have no manual and cant find anything on line. Before signing up for an expensive ECU test you can try some troubleshooting by yourself. Because theyve grown in popularity in recent years most of them tend to be newer.

At one moment cruising along at 4500 to 5000 rpms the next moment hard to keep from dying then back to running just great. Honda 4-strokes seem to have real troubles with crankshaft bearing. Pumped bulb and it got hard but went soft while trying to start.

This motor sat in his garage for 3 plus years then my. Then on one trip out on small lake it starts. When the problem occurs have someone squeeze the primer bulb several times.

40 30 Engine type. Recommended Oil Mercury 4-Stroke Outboard Oil. Compatible with Smartcraft Digital Technology Yes.

2015 75 HP Mercury Outboard 4 Stroke Motor Not rated yet The motor works well when picked up from boat storage. Finally limped back to landing with trolling motor and motor cranked and put it on the trailer with motor. Mercury EFI outboards deliver reliable turnkey starts improved fuel efficiency and instant throttle response.

Engine Protection Operator Warning System Low oil pressure Overheat Over-rev. Shaft Length 15 in 381mm 20 in 508 mm Dry Weight Lightest model available 216lbs 98kg. Required fields are marked.

However a properly maintained outboard engine can last more than 4000 hours. How to Start a Mercury Outboard Motor. 6 May 2012.

Disconnect the vent hose from the fuel pump. I am having a problem with my 2006 90 Mercury 4 stroke efi. 99 mercury 30hp 4 stroke problems A weak fuel pump can also cause fuel starvation at higher throttle settings.

The 4-stroke engines have risen in popularity due to their reduced noise fuel efficiency and greater longevity. 2004 Mercury 25hp 4 stroke bigfoot outbaord model 1F2531DN serial 1B037544. Great for aluminum tiller aluminum console inflatable rigid hull RIB and soft hull watersports and fish ski boats.

I own a 2001 merc 60hp 4 stroke big foot. Be the first to review Mercury 300HP 4-Stroke Outboard Motor Cancel reply. Could a low andor high pressure fuel filter fuel module fuel injectors or.

The dealer took it in and drained and cleaned the tank 20 gallonand the carbs 4. Remove Petrol Tank Vent Blockage. Users claimed that the outboard motor runs irregularly or unevenly while they put it neutral or out of gear.

I thought it might be a battery issue so I hooked motor up to trolling battery and idled for approximately 1 mile no problem. I have taken the lid off but I cant see any sign of a sump. They also put one of the inboard engine water separatorgas filter units on the boat.

If your engine has a battery make sure it is charged up before use. I have changed the plugs fuel filter oil checked the pick up tube screen in the. This INSTANT REPAIR MANUAL DOWNLOAD for the Mercury-Mariner Johnson-Evinrude Suzuki Honda Yamaha 25 hp outboard engines were designed primarily for factory service 25 hp outboard technicians in a properly equipped shop.

1 2 3 4 5. If the engine picks up the fuel pump is suspect. Crankshaft Thrust Bearing Failure.

In 2008 there was a major recall on Verado L4 and L6 models over a flaw in the power steering fuse. This affected 36476 units and was not closed until 2020. I did check all the fuses non-are blow also.

It starts idols and runs great but at full throttle it keeps wanting to shut down every now and then. Mercury makes a 2-stroke and 4-stroke engine. 9 MH 4 Stroke.

Perfect Good Average Not that bad Very poor. 8 hp Lower unit parts layout with larger exploded diagram and photos9 hp outboard owners manual gebruiksaanwijzing motor mercury 4 stroke 9. Mercury outboard engines have a strong reputation for reliability and for good reason.

It does have a carb on it but the manual also says its an EFI which confuses me unless it is like early model EFI carb cars. I have acquired a nearly new outboard engine short shaft which has Mercury 40 on the cover. Some engines -- not the pull-start kind -- have a battery that starts it.

I am fairly sure from the weight that its a four stroke. However various reasons may cause this particular commotion but first you need to do the proper investigation. Air vent in fuel cap not open.

MERCURY 40HP 4-STROKE EFI OUTBOARD. Faulty emergency kill switch. Verify the battery connections are clean -- as corroded connections can keep a Mercury outboard from starting.

Your email address will not be published. There are no reviews yet. Recommended Fuel 87 octaneup to 10 ethanol.

2008 115 HP Mercury EFI 4-stroke fuel problem. Blow on one end to see the air coming out the other. Your outboard engine life expectancy at minimum is about 1500 hours or 6-8 years for the average boater.

Clean the blockage by removing any kinks. But now its doing the same thing. Engine recently just started running extremely poorly.

They made it run okay but near end of warranty it started doing it again. CARB Star Rating 3. Some users have mentioned that trying to start the motor 10 times or more it runs perfectly warm and doesnt die.

Remote fuel tank optional Yes. According to Mercury 25 HP 4 stroke many users sometimes the motor idles rough or stalls. Customer reply replied 9 years ago.

Mercury Marine 4hp 4 Stroke Outboard 15 Shaft Length West Marine