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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 26016
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
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I have a new zero turn toro that won't start. Just clicks

Customer Question

I have a new zero turn toro that won't start. Just clicks when I try to turn it over.
JA: Do you have fuel in the tank? If so, is the shut-off valve open and the fuel clean?
Customer: Yes
JA: Do you plan on doing the work yourself?
Customer: Yes
JA: Anything else we should know to help you best?
Customer: I was mowing and then turned off the mower to move the trampoline. When I tried to start it up again it would start
Submitted: 3 months ago.
Category: Small Engine
Expert:  eauto replied 3 months ago.

have you disengaged the blades?

Customer: replied 3 months ago.
Customer: replied 3 months ago.
I've replaced the spark plug and have tried jumping the lawn mower with no success
Customer: replied 3 months ago.
My lawn mower is new this year. Battery even says may 2016 on it.
Customer: replied 3 months ago.
I had been mowing for about 45 min. I turned off the engine to move the trampoline and when I came back to the mower to turn it on the only thing I get is a clicking sound.
Customer: replied 3 months ago.
Anyone there?
Customer: replied 3 months ago.
Customer: replied 3 months ago.
I would like a refund. No help at all
Expert:  Curtis B. replied 3 months ago.

Where is the click coming from? Near starter or at the fuel solenoid when key is turned on?

Customer: replied 3 months ago.
Closer to the engine.
Customer: replied 3 months ago.
Under the seat
Expert:  Curtis B. replied 3 months ago.

With zero turn , one of you arm switched may be stuck, keeping starter from working. You say you tried to jump it and same thing? Ay of the safety switches, seat, and neutral switches will kill the start circuit.

Expert:  Curtis B. replied 3 months ago.

What is the model number ? Where is the starter solenoid, It will be at the end of the positive battery cable. Are the battery cables tight on the solenoid?

Customer: replied 3 months ago.
I get the clicking sound when I turn the key. I assumed that means safety switches are all working.
Expert:  Curtis B. replied 3 months ago.

Check the wires at the solenoid.

Expert:  Curtis B. replied 3 months ago.

Battery cables tight?

Customer: replied 3 months ago.
Wires look good. As I said it's a very new mower.
Customer: replied 3 months ago.
Battery cables secure
Customer: replied 3 months ago.
Model number 74723
Expert:  Curtis B. replied 3 months ago.

Can you jump the solenoid, from the battery cable terminal to the switch wire n the same solenoid and see if starter engages?

Customer: replied 3 months ago.
Jump the solenoid? I put the clamps directly on the solenoid bolts?
Customer: replied 3 months ago.
Bypassing the battery?
Expert:  Curtis B. replied 3 months ago.

No, just use a short wire to jump one terminal to the other.

Expert:  Curtis B. replied 3 months ago.

this tests the battery, cables, solenoid and starter

Customer: replied 3 months ago.
I can tell its passing a currant to the battery when I put my clamps on it
Expert:  Curtis B. replied 3 months ago.

I'm trying to get test results. Battery with bad cell can be jumped.

Customer: replied 3 months ago.
Do you have a picture of what you want me to do?
Expert:  Curtis B. replied 3 months ago.

no, battery cable goes direct to the starter solenoid, on the solenoid is the cable post, it also has a set of small terminals, you would jump with insulated wire from the cable connection, to the small post. This is same connection that key would make.

Customer: replied 3 months ago.
I don't have an insulated wire...what could I use?
Expert:  Curtis B. replied 3 months ago.

Screwdriver or other metal shafted tool.

Customer: replied 3 months ago.
It sparks
Expert:  Curtis B. replied 3 months ago.

?? You could use the probe end to connect the two posts. large cable to small terminal. If it sparks and does not turn engine, battery is weak, or bad, or the starter is bad, or engine does not turn. Can you turn the engine by hand using the screen on top?

Customer: replied 3 months ago.
It only sparks. Doesn't engage engine.
Expert:  Curtis B. replied 3 months ago.

No volt meter? Can you turn engine by hand? I suspect battery is dead.

Customer: replied 3 months ago.
Battery appears to be at 25-50%. I can charge it but I tried to jump it so I don't know that charging it will do the trick.
Customer: replied 3 months ago.
Where do I turn it by hand? Also, I had been mowing for 45 min before I stopped it for 2 min and the it never started again.
Customer: replied 3 months ago.
Battery fully charged. When I do try it a full charge or when i jump it there is more of a whine. Not the clicking sound.
Customer: replied 3 months ago.
then eventually goes back to the clicking sound.
Expert:  Curtis B. replied 3 months ago.

Remove spark plugs and see if the engine will spin. Whine from starter tells me starter is trying , but engine is too hard to turn. To turn manually you have to get to the flywheel, the rotating part on top. Usually there is a screen attached, and you can move it by hand. If not, screen cab be removed and a socket wrench used on the flywheel nut.

Customer: replied 3 months ago.
Spark plugs removed. Tried the ignition and got same results. Now will remove the screen to manually turn the flywheel
Expert:  Curtis B. replied 3 months ago.

ok.

Customer: replied 3 months ago.
Looks like there are two screens. I removed the top one. I can't turn the second one. Do I remove that one as well?
Customer: replied 3 months ago.
Sending a pic
Expert:  Curtis B. replied 3 months ago.

I can't see what you have, can you attach photo?

Expert:  Curtis B. replied 3 months ago.

Yes, the round one rotates with the flywheel . Remove it to expose the flywheel nut.

Customer: replied 3 months ago.
Ok. Give me a minute
Expert:  Curtis B. replied 3 months ago.

OK>

Customer: replied 3 months ago.
Flywheel doesn't seem to be moving.
Customer: replied 3 months ago.
Actually. I probably have to remove another layer to get to the flywheel
Customer: replied 3 months ago.
Is that right?
Expert:  Curtis B. replied 3 months ago.

If flywheel does not move with wrench, the engine may be locked! With round screen removed, flywheel nut should be exposed!

Customer: replied 3 months ago.
Flywheel nut is probably under this layer now correct?
Customer: replied 3 months ago.
See pic
Expert:  Curtis B. replied 3 months ago.

Yes, you can't turn the flywheel from here? Not good!

Customer: replied 3 months ago.
I was expecting a nut in the middle of the flywheel. Am I not supposed to go down one more layer? At the pic layer I cannot move it.
Expert:  Curtis B. replied 3 months ago.

The four bolts are holding the plastic fan down. With the bolts removed, the fan should come off. Exposing the nut!

Customer: replied 3 months ago.
The flywheel will not turn either direction.
Customer: replied 3 months ago.
Any ideas from here?
Expert:  Curtis B. replied 3 months ago.

Engine is locked up. Was it low on oil?

Customer: replied 3 months ago.
It's right in the middle of full and low.
Expert:  Curtis B. replied 3 months ago.

You may want to look under the engine , to be sure that the belts haven't com loose and locked the engine, but it seems to be internal failure in the engine. Is this Briggs or Kohler engine?

Customer: replied 3 months ago.
I've pulled and moved all the belts. Seem good. It's a Briggs motor
Expert:  Curtis B. replied 3 months ago.

So engine is locked! The only way to find out what has happened to engine is to disassemble it, starting with removing the cylinder heads. As it has internal failure.