How To Change Thermostat In 60 Hp 4 Stroke Mercury Outboard
Mercury iv-stroke outboard engines are designed and built innovatively to ensure loftier-quality performances equally well.
Besides being such an amazingly reliable outboard motors, they all the same accept some common troubleshooting issues that nigh users encounter.
In this very article, I will reveal possible reasons behind each of those mutual problems and suggest some useful quick-fixing techniques.
| Problems | Reasons |
| Outboard Motor Does Non Start | Empty gas tank or dirty, depression-quality fuelClosed gas tank air ventClogged fuel filter or fuel line leakageDamaged batteryFaulty kill switch |
| Engine May Stalls, Loss Ability or Make Excessive Vibration | Damaged, loose, or fouled propellerDamaged or broken shear pinWorn-out or damaged spark plugs |
| Overheating Issue | Leakage in the cooling systemleakage in the cooling organization |
three Common Mercury iv Stroke Outboard Motor Issues:
1. Outboard Motor Does Not Start:
The offset mutual troubleshooting consequence that most users mutter about is when the mercury four-stroke motor suddenly fails to start like usual.
In some cases, the engine may crank slowly simply all the same fails to start over. Some users accept also claimed that sometimes the motor starts afterwards several tries but quickly starts to stall.
Nonetheless, to fix the problem, yous need to find out the core reason behind this arisen commotion.
Possible Fix
If you meet similar mayhem with your mercury 4 stroke motor, verify the core result with the post-obit possible reasons.
Empty gas tank or dingy, depression-quality fuel tin cause information technology…
In that location can exist various reasons behind this, but the start and foremost task is to check your gas tank.
If the fuel level is depression or y'all have a muddied fuel mixture, modify and refill the gas tank with the correct fuel mixture. For fuel mixture's correct ratio, take help from your outboard service manual.
Remember former gasoline gradually harms your engine, so you demand to bank check the fuel level and condition frequently. Also, if you are using ethanol gasoline, do not use fresh refilled gas for more than 30 days in a row.
Another possible reason can be the gas tank'southward air vent status…
Check your gas tank whether the gas tank vent is open or closed. If y'all meet the vent is closed that the master culprit you need to deal with starting time.
A closed gas tank vent prevents the air from replacing fuel when the motor pulls it out, and as a result, a lack of firing upward causes the engine to fail.
Too checking the gas tank vent also, inspect whether the engine is primed and choked properly. Remember to bank check whether the fuel shutoff valve is turned on or off.
A chock-full fuel filter or leakage on the fuel line can likewise cause such trouble…
Start, you demand to disconnect all the connections and remove the fuel filter from the fuel lines.
If you see debris inside the filter or fuel lines, make clean them by spraying solvent cleaner. Next, await for some time then that the filter or lines get properly dried and re-insert it accurately.
Remember, if the damage is severe, you lot will need to replace the filters or fuel lines. Also, check the hoses for any possible leaks and replace the parts, if needed.
Either for damaged bombardment or a faulty impale switch…
If your mercury four stroke is the pull-kickoff outboard motor, you should besides audit the battery whether it is damaged or not charged. Make sure the battery is clean and all the connections are on point. Remember to accuse the bombardment is fully.
Next, you need to inspect the kill switch connection, and if it is non connected deeply, disengage the connection and re-install it properly.
If the kill switch looks damaged, replace it and put the gear on neutral earlier starting the engine.
ii. Engine May Stalls, Loss Ability Or Brand Excessive Vibration:
Some other commonly mentioned problem with mercury 4 stroke outboard or boat engines is frequent stalling, sudden loss of power, and excessive noises.
Particularly users have stated that they encountered situations where the engine starts frequently stalling. Sometimes they notice pregnant power loss and unusual excess vibrating sound coming from the engine also.
Some users specifically mentioned that it happens when the motor is warm upward enough and turns on the idle gear to start.
Therefore, let'south find out what may cause those types of trouble and how to get rid of them.
Possible Fix
These issues can arise because of i or more than following reasons so, brand sure y'all are investigating all possible faults thoroughly.
A damaged, loose, or fouled propeller can crusade the problem…
Whenever you encounter these similar issues with your mercury 4 stroke, instantly turn off the engine and disconnect all the connectors to pull your propeller out.
Now, cheque whether something like excessive seaweed or other debris tangled around the propeller or non.
If you find any tangled materials that can enter the blades to impairment them, carefully remove them. Next, clean the entire propeller to remove all the existing debris.
Likewise, check the propeller blades if those are non costless from breaks, your propeller needs to be replaced.
The damaged or cleaved shear pin can as well atomic number 82 the engine to lose ability and make excessive vibration or rattling noises.
The shear pivot is responsible for directing the propeller to spin with an accurate bending and direction.
Simply because of the cleaved or damaged shear pin, the propeller fails to spin and causes the engine to lose ability and brand unnecessary noises. In that case, you need to replace the shear pin.
Worn-out or damaged spark plugs can exist another possible reason…
First, you need to bank check the ignition spark with a spark tester. If the spark is good, make certain the air gap in between is according to the needed specification.
In case you cannot find the spark, there are two easy ways to deal with spark plugs. One is if those are dirty because of the backlog debris, carefully disconnect and remove them. Then, neatly clean and dry off to put them dorsum in identify. Some other mode is if 1 or all spark plugs are damaged, replace them.
three. Overheating Event:
Another virtually mutual issue that oft mercury four stroke users mutter nigh is the engine or motor overheating problem.
When the outboard motor gets overheated, information technology abruptly shuts off and won't get-go over again, which is natural because it needs to absurd downwards first and after that, if you lot will try, it will re-start.
Now I volition endeavour to explain some near obvious reasons behind this particular problem.
So, let's larn and explore together.
Possible Fix
Whatsoever leakage in the cooling system can cause overheating problem…
It is ane of the cadre reasons for outboard motor overheating so, the first and foremost chore is to bank check your cooling system for any possible leak.
Commencement, check on the radiator, hoses, gasket caput, or thermostat housing. If yous find any external leak, the temporary solution is using the mercury hose repair kits or sealers instantly.
Remember to acquit actress hoses, hose clamps, and kits for emergency repairing tasks.
However, those are temporary quick solutions, but a meliorate style is to use the permanent solution. The permanent repairing option for you is to supplant each leaked part, if possible. This replacement will require a professional assistant so, hire a professional mechanic or contact your mercury outboard dealer.
Another reason can be damaged or worn-out h2o pump impeller…
Therefore, bank check the water pump impeller whether it is broken or miss any vane. Thoroughly inspect if there any displaced pieces which are causing the trouble. If so, you demand to remove and fix them accurately in place.
Next, you demand to check whether the h2o passages are clogged with droppings or other harmful materials. That clogged passage will forestall the flow to run smoothly so, flush it with clean water and professional cleaner.
What The Majority of Users Feel About the Mercury 4 Stroke Outboard Motor?
Later on reviewing several consumer'south feedback, at that place is no dubiety that well-nigh of the users are more than satisfied with their outboard experiences considering of the classic operation and reliability.
Nevertheless, some users take mentioned their disappointments considering of the mentioned troubleshooting issues with the mercury 4 stroke outboard motors.
Just the good news is, all the common issues that may arise with the mercury product line are like shooting fish in a barrel to fix, and mercury also ensures the highest after-sale service through its broad range of dealers.
Concluding Thoughts:
Also all the common problems with the mercury 4-stroke outboard motors, it is undeniable that Mercury Marine is one of the industry leaders for its innovative and technologically advanced outboard motors.
Therefore, y'all cannot outlook the exceptional ability and speed each mercury outboard or boat motors offer.
Y'all Can Also Read:
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- How to Detect A Bad Fuel Water Separator?
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Source: https://www.boatingsports.org/3-common-problems-with-mercury-4-stroke-outboard-motor/
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