How To See If Stator Is Bad

If youre showing less than that you have a problem. This is the quicke.

Signs Symptoms Of A Bad Sator Outboard Signs And Symptoms Bad

Hey guys this is a quick video that is raw and uncut that i made showing you how to test your stator with a multimeter.

How to see if stator is bad. Open gas cap in case any pressure is in there then re-tighten. If the stator doesnt generate the spark when it should the ignition can happen all the way into the exhaust system. Othewise he would have said he would check to see if i really needed one.

How Do I Know If My Stator Is Bad. AND NO CODES Ohmd the stator and found 1 charge coil bad47 ohms. You can know you have a bad stator by looking at it.

This is a free and easy fix so try it out if your battery is still good. To test your stator and determine whether it is bad or not use a multimeter to tell if the appropriate ohms are being produced. Generally the following is true.

Test every lead of the stators connector and note the readings. If obviously the occurrence of misfires is a symptom of bad stators and whats more they usually lead to backfires. Check your ownersservice manual for the system amp output for your bike.

But lights definitely dim and top end speed lower. Restart the ski several times to confirm and if everything worked Rec is bad This is the Rectifier test. The stator coil generates the power for the spark plug and other accessories on small engines Without a stator there would be no spark at all meaning the engine wont run.

While a stator is dying it can produce a weak spark causing the engine to miss or run poorly. You want to see megaohms or off the scale here. Repeat for the negative diode by connecting the positive lead to the negative diode and connecting the stator inputs and negative lead.

This can be one of five things 1. A bad stator going by that photo. To check the regulator connect the meter leads to the bikes battery as its running.

If you have ignition problems or your battery doesnt charge it could be your stator. Crack the throttle and it would rev to about 4800 rpm just enough to keep it moving. The most obvious symptoms of a bad motorcycle stator include no spark weak spark or intermittent spark also known as misfiring.

You can tell the stator is bad based on the symptoms of the engine. The reading of each combination should be the same test leads 1-2 2-3 and 3-1. I dont think mechanic either has tools to check voltage or wants to.

The cdi is bad. You can find the appropriate range in the ATVs manual or online. Symptoms are often worsened as the engine warms up.

My meter reads OL meaning over limit when there is no connection or infinite resistance between two points. If the voltage really drops like 115 volts then either your stator or the rectifier is bad. First you should know that someone has added a headlight regulator to a factory stator.

I could tell my stator was bad because I caught it smoking cigarettes and drinking. Then would go into stuter modealmost like a rev limiter or fould plug wouldnt clean up. Try swapping plug wires to the other side and see if the issue changes sides.

If your stator is bad the battery of your ATV will not charge while the ATV is running. Would start and idle fine. The meter shouldnt show any reads when you connect the positive lead and stator inputs.

Mercury recommends if your stator is bad enough that you need to replace it you should replace the switch box too. Bad ground and now 2. So now that we know some of the differences and similarities in different yearmodel stators let me list many of the common symptoms of a stator that has gone bad or is going bad.

Clean up the stator bolts too while youre at it. On a healthy stator. You will need to test the stator and well cover that in a second.

I did the stator test to check for bad ground with a better meter checking each leg of the connector against the negative side of the battery terminal and the meter didnt ring out. So after doing a bunch of research Im thinking its the statorrectifier. Again with the bike turned off test the resistance between each stator leg and a chassis ground.

If they are different your stator is defective. The AC power windings have nothing to do with the ignition coils on a stator. I would disconnect the kill switch and try also remove the ground bolts for the coil and clean blind that.

Use a spark plug tester on the coil to test for current if it doesnt have current to the plug work your way backwards toward the stator testing each item for current in and out. Backfires and misfires usually go hand in hand. If your voltage regulator is bad youll have the same problems as if your stator is bad.

What a shame that most grounds are on painted metal. Im having trouble with my bike getting sparkI have been through everything now im down to the stator and the cdi. If there is any resistance reading 0-100 ohms then your stator is bad.

You will need a multimeter set to Ohms for this test. Remove the gas supply line from carb. Then check for any bare wires that may be rubbing against the frame.

The coil is bad. And put the hose end into a catch bottle. Then I did the no load test 5000 rpm and I got 89-90 VAC testing each leg.

The reading should not be higher than 145 volts or lower than 135 volts. This shows how you can see if your. Turn the bike off.

You should see infinite resistance no connection at all. Just pulling the recoil to see if the headlight flickers means nothing. Voltage regulator rectifier unit.

Hard starts and a poorly running engine can also be clues that your stator needs to be rebuilt or replaced. If the stator fails in Ohms or the voltage output test whichever you used based on your manual it means the stator is damaged. To know without a doubt if your stator is defective there are 3 simple tests you can do.

But how do you know if your ATV has a bad stator. If your battery is less than 126 V after sitting a few minutes your battery is shot. All must be clean of paint and rust.

Sandpaper the wire terminal ends and apply dielectric grease to protect them. California BM dealer 2006. If the battery was good under load test if the stator is NOT shorted to ground and the stator is putting out AC voltage then the regulator is bad most likely even if if passed step 2.

Ive never seen a Cdi go bad in my life. If stator ohms read within spec then check all ground and positive connections from battery to winch batt to ground winch solenoid. The main indicator that your stator is bad will be that your battery is not charging- especially if your ATV will charge when on a separate charger but not while the ATV is in use.

This can be caused by several other problems however so the only way to be sure that your stator has gone bad is to perform a series of tests using a multimeter. And may get around say 20VAC. Though it wont be a clear and cut situation.

About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy. Stator Just replaced the stator in my 07 M1000. I thought this could be my problem.

I took it apart and found the four screws that hold the coil to the mounting plate were loose. If the stator is covered in salt and corrosion. Also a bad stator eventually damages the switch box so check on your switch box condition.

But nope still no spark. Disconnect the red wire to the rectifier and see if it run great.

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