Hook up the timing light to the 1 plug wire. Setting the timing on the Johnson outboard should take around an hour.
If you have a dial indicator and a degree wheel you should be able to do it yourself no problem.
How to set timing on outboard motor. How to set timing on outboard motor - YouTube. How to use timing light on an outboard engine - YouTube. Along with changing the water pump and impeller on a regular basis sometimes the timing on the motor needs to be adjusted too.
The timing is set by adjusting the link rods inside the engine. Setting the timing on the Johnson outboard should take around an hour. You are watching.
How to set the timing on a mercury outboard motor T ticondo46Seamale Apprentice JoinedJan 30 2012Messages31 Re. How execute I review my flywheel and also various other timing questionsAt idle definitely carry out it through the propeller in the water. To Complete the Ignition Timing Process Follow These Steps.
To begin the ignition setting sequence the mechanic should remove the spark plug as this will make it easier to turn the engine over for piston positioning. Next the crankshaft must be rotated to give the largest opening of the contact points typically around TDC. The base timing on an engine can typically be used to adjust the idle of the engine on a two stroke.
As long as the fuel system is funtioning correctly you can vary that by several degrees and youll know by the rpms at idle in gear when you have it right. Outboard timing advancing means that the air and fuel mixture in the combustion chamber cant get burned at the exact time. The symptom of it is hearing a loud pinging sound coming from the engine.
It happens because the mixture gets ignited even when the cylinder is. In this video we look at how to set timing on an outboard motor using a timing light. Well look at using timing marks top dead center and the light to get good ignition timing at idle.
Adjust the ignition timing. Shift into neutral and start the engine while holding the throttle arm. Adjust the idle timing screw so that it is 2 degrees before top dead center.
Turn off the engine. Start the engine again following the same steps as in the beginning making sure youre in neutral. Adjust while the engine is at idle speed.
Grab the distributor firmly and rotate it slowly to one side or the other. Continue rotating until the timing mark is in the correct position. Align the timing marks by continuing to move the distributor and checking with your timing light.
Looking to know how to adjust timing on a 115 hp mercury outboard 6 cylinders serial number is NNN NNN-NNNNpossibly get diagrams sent to me as well. Vocational Technical or Trade Scho. Shift your outboard into neutral hold the throttle arm in idle and start up your engine.
Be certain to make note of the timing marks as you do this. Thereof how do you adjust the idle on a 2 stroke outboard. Turn the idle adjustment screws clockwise with a screwdriver until you feel a slight resistance without over-tightening the screws.
Turn both screws back counterclockwise 1-14 turns to set the starting position for the adjustment on the 2-cycle outboard motor. Start the motor and let it warm up for about five minutes. In this video I service my 2008 model Honda BF30 4 stroke outboard motor.
Im not an outboard mechanic but I learnt to do it myself which saves me about 250. Hook up the timing light to the 1 plug wire. Crank the engine over and set the spark advance to 4 less than what the engine calls for.
I dont know full spark advance setting your engine calls for but to pick a figure say your engine calls for 28 set the timing at 24. To set the timing on that engine have the splugs out and have the throttle at full set that timer base under the flywheel tight against the rubber stop on the end of the full spark timer advance stop screw wire it against that stop if necessary. Rig up a spark tester on the 1 cylinder plug wire.
Hook up the timing light to the 1 plug wire. Points are usually set at 015 020. Depending on the make and model of the motor being worked on.
You might want to contact a Tecumseh repair shop as special tools are required for this job. If you have a dial indicator and a degree wheel you should be able to do it yourself no problem. The service manual reads 4deg and -20deg which means the idle timing is 4 degrees ATDC and the high speed timing is 20 degrees BTDC you cannot use a timing light to set the timing on those engines you need an optical sensor ignition analyser which only a dealer will have.
Yamaha 40 timing and throttle adjustments. My motor is a Yamaha 1999 40HP non oil injected model C40TLRX that I bought used last fall. I swapped out the lower unit with an aftermarket jet kit.
I didnt change any throttle or timing adjustments since the motor started ran and idled well although the idle was a little higher than spec.