No spark on my 2000 model yz125 pleas help

OK, spark plugs wet. We both know that means flooding. Try a start with ether. Then if it fires, it's either fuel pump or carbs.

Depending on the year make and model, a DTC (diagnostic trouble code) would help. Is the check engine light on when it does run? Testing needs to be done. Check for spark at the plug, make sure fuel pressure is what it should be and that the fuel injectors are working. If all that is good, I would check compression and timing.

Model no. returns no information.
Sounds like you have a defrost problem. Once symptoms show up, the failure probably occurred 1-2 weeks prior, resulting in frost accumulating in the freezer. Turning it off will allow it to manually defrost and will work ok for another 2-3 weeks.
There are 3 components that make up the defrost system.
1. Defrost timer
2.Defrost terminating thermostat
3.Defrost heater
You will have to replace all 3 components unless you can determine what's at fault
https://www.repairclinic.com/ for more help

I’m happy to assist further over the phone at https://www.6ya.com/expert/david_dc2f9e0a44104720

Car not starting or turning over indicates towards multiple possibilities. It can be issue with battery or weak battery. But if battery checks out ok, then it can be starter issue or faulty alternator or problem with low fuel pressure or no spark at spark plugs due to dirty spark plugs or faulty ignition coil or injectors getting cracked or dirty and needs to be cleaned.

To confirm the problem, the basic troubleshooting is required.

From start to end troubleshooting these problems I suggest you to check the help link below and follow its procedure: -----

Mostly all types of car no start problems are discussed here with solutions:---

CAR NO START: ENGINE NOT TURNING OVER:

http://alltypesofpartsreplacing.blogspot.com/2012/11/car-no-start-engine-not-turning-over.html

---------

These will help.

Thanks.

Check cylinder compressions, this ski will overheat if one side is low. Thus is step one, if ok and within 10% of each other, verify the exhaust isn't clogged with sand from "beaching" third verify the crank seals are not leaning the Mix causing an overheat. Obviously check the impeller housing to exhaust line isnt clogged, disconnecting the thermal sensor is asking for a top end rebuild which is about 500.00 they are designed to reduce revs and alternate spark to the cylinders once 200 degrees is reached.

last year, OBD1 car (dumbb ECU)
no scan tools for it
if you run on the road with that hack , and wreck
expect a nice fire. fuel fire.
if you used a voltmeter and say 12vdc there, all hotwiring stuff
need not be done. (
it stalled (misfire)
and then would not what? start but cranks ok?
4wd?
3sp ,4sp auto or 5speed stick
16v engine or 8v, both are G16s but EFI radially different.
16v is MPI with 4 injectors, 8v is 1 injector TBI
try a new
cap,.rotor spark wires and spark plugs yet?
cant burn fuel with bad spark
i guess the cam bent did not slip as it run ok later, but is 60,000 mile belt. and will slip ignored.

next time it stalls
check headlamps they work, and all electric
then see if CEL glows key on, i must or ECU lost power
it has 3 fuse that can rust, IG coil, FI, and DOME.
the CEL must glow, is first checks.

Here's the link and I'm sure you will get the solution of your problem
TOYOTA COROLLA SERVICE REPAIR MANUAL 1997 1998 1999 2000 2001 2002 DOWNLOAD

try reseting the alarm,maybe all thats needed.....

Make sure you have the right heat rated spark plugs .

stick your cok down the petrol hole