Question about 2003 Yamaha YZ 250 F

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My 2002 beartracker's CDI unit smokes when i start it also the brand new battery gets hot and leaks acid

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The CDI and the battery has gotten a short some where and not they a junk. When you see the magic blue smoke coming from somthing electical you know that bad. Replace both with none good ones and check the wiring harness from front to back and top to bottom on the bike and find the short. You my need to replace the hole wiring harness.

Posted on Oct 01, 2009

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Posted on Jan 02, 2017

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2002 Arctic Cat 4X4 375. Why doesn't it have any spark after I jumped it with the booster?


the cdi is where i would go next.if you get ahold of a good second hand one,all the better, otherwise its going to be a new one.
What about power from the stator? Is there any? if so,then the cdi is the problem

Oct 23, 2015 | ATVs

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Descaling rancilio


Use Citric Acid.

  1. Dissolve about one tablespoon of citric acid in the water reservoir.
  2. Fill the boiler completely. Open the steam valve and start a hot water cycle until water comes out the steam vent. Stop the hot water cycle, close the vent.
  3. Let the boiler heat up about 5 minutes. Then turn off the power.
  4. Let the acid solution work for about 1/2 hour.
  5. Pull a 30 second shot to change the water in the boiler.
  6. Repeat flushing cycles (steps 3, 4, & 5) until the water looks clear. Refill the reservoir with water and acid as needed.
  7. Wash out the water reservoir.
  8. Pull 5 or shots to get the acidic water out of the boiler. Run a hot water cycle to clean the acidic water out of the steam vent.
  9. Let the unit come to temperature and look for leaks.
  10. Make some coffee and look for leaks.
  11. Froth some milk and look for leaks.

Jan 18, 2014 | Rancilio Audrey

1 Answer

Can't Start 1981 Yamaha SR250


find a running sr 250 and swop his cdi unit with yours if the bike runs, fine. if not put his cdi back in and try again. if the good bike now starts it will indicate that your cdi is faulty. the cdi is located under the tank inside the frame. don't buy a second hand cdi unless you can test it on a working bike. they are very expensive and you don't want to buy a dud

Jun 09, 2012 | 1981 Yamaha Sr250 Sr 250 Exciter Y213 Air...

1 Answer

1988 Suzuki GSX 600 F no spark


Hi, Thortonroof and the usual suspects are:
1. Fouled spark plugs.
2. Severely discharged or a damaged battery should have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a preliminary reading of 12.5 volts or more but little or zero amperage the battery is faulty and must be replaced, AGM batteries fail in this scenario more so than lead acid batteries.
3. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
4. Loose connection at ignition coil or plug between ignition sensor and module.
5. Spark plug cables in bad condition, shorting/leaking, spark plug cable connections loose check for spark leakage in the dark.
6. Faulty ignition coil or electronic control module.
7. Faulty CKP, CMP, or BAS sensor.
8. Faulty ignition switch.
9. Tilt sensor needs a reset.
10. Security alarm failing to disarm needs reset
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
1991 GSX600f Katana will not start
How to diagnose no spark situation on motorcycle
Suzuki GSX600F Service Manual
OEM parts for Suzuki
Suzuki GSX 600F 2000 Owner Manual

May 24, 2017 | 1988 Suzuki GSX 600 F (Katana)

2 Answers

I need to repair a cracked battery case


No this should not be attempted, unless you have a quality plastic welding unit and the right knowledge, and even then there is no guarantee. If you can't claim under warranty it is much safer for all to get yourself a new battery as the acid is quite corrosive and could cause personal damage or damage to anything else it may touch!

Apr 01, 2010 | Boating

1 Answer

After battery acid leaked into the wiring--I


The acid sounds like it may have reached the main wiring harness. It don't sound like it would have anything to do with your brakes / brake line. It could be the insulation on 2 wires were corroded and now those two wires are mended together by the acid.

Feb 24, 2010 | 2002 Jeep Liberty

2 Answers

Smell of rotten eggs, and smoke coming from under neath the battery on the drivers side.


Disconnect the battery and remove it...WEAR PROTECTIVE CLOTHING!! The battery sounds like it is leaking acid and, as such, needs to be replaced ASAP! Once you pull the battery out of the car, only set it down on a surface that will not erode from the acid. If the battery is indeed leaking, you will see the corrosion where the battery was eating away the metal. This will need to be cleaned and neutralized before anything else can happen, if the battery is leaking.

I do think your battery is leaking; sulfuric acid smells like rotten eggs and the smoke is from the acid eating the metal it is coming into contact with.

Dec 07, 2009 | 1994 Volvo 850

4 Answers

Tries to start but won't turn over, brand new battery is now dead


You need to know why the battery went dead. It is usually a bad charging situation. It could be loose alternator belt, bad alternator, or a short draining everything. A quick way to check is to turn on the headlights after you have it started.
At idle the lights should be a little dimmer than when you rev the engine. If always dim, then the alternator is probably shot.

You should have fixed the oil leak. It could have started a fire, and is cheap to fix. If there is noise now, you may have ruined the engine by running out of oil. Check the oil.

Jul 25, 2009 | 1995 Nissan Maxima

1 Answer

2001 Jetta 1.8T, 100K miles. Smokes when hot.


Ouch! you've got engine coolant in the exhaust from a leak somewhere...DO NOT run this engine until you get someone (dealer is best in this instance) to diagnose ($50-125)

Jun 14, 2009 | 2002 Volkswagen Jetta TDI

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