Older sezuki dt 140 help

[Mattspencer]

Can someone help me pl's on taking a short trip on my boat. On stopping the key was stuck in start position it turns over but no spark I've changed the coils but nothing can someone help me

[Solarman]

If key switch stuck in start, did you replace the switch? Is the key switch causing no spark?

There are many places to check if no spark.
Check magneto, gear counting coil, pulse coils, plugs, and plug coils.

It is helpful to know more about this motor, for example, what year is it? Does it have carburetors? When was motor running good the last time? How did the motor stop, what we're you doing when it stopped?

These things I'm asking, could tell us why your motor stopped running.

Post back some help, for us to help you. Good luck.

[Mattspencer]

Hi it's a 1988 dt 140 efi. I haven't changed the key. It is all working tilt trim choke. I have,changed all the coils but nothing. Ime reluctantly thinking of changing the coils unit. Can you shed a light pls

[Mattspencer]

It was running great went out for a spin and on stopping for a brief time it wouldn't start checked the plugs and nothing turned it over and over batteries went flat so I used the pull string not easy on big beast like this and after a wile it fired back in to life

[Solarman]

Ok. The EFI motor doesn't have a choke. It is fuel injected, and doesn't have carbs.
If it isn't firing the plugs every time it turns over, then you have a problem.
The key switch, if it has given you problems, would be the first thing to change.
If that doesn't solve your problem, then we can go from there.

It would help for you to be very specific on what you have done, and your thoughts. We can not read minds, and can not see your motor. You are our hands and ears, so please tell us all you can.

Good luck. Post back when able.