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Bike set in shed about 5wks w/o being started wouldn't start afterwards battery well charged fuel flowing pulled plugs no spark from coil?

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  • Motorcycles Master
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Hi, Jacqueline and the usual suspects are:
1. Fouled spark plugs.
2. Discharged battery, needs to be 12.5 volts or better and be able to pass a "LOAD" test, your battery may show 12.5 volts but has little or zero amps and must be replaced.
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 CDI 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
Good luck and have a wonderful day.

Posted on Apr 27, 2017

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1 Answer

Quad bike will not start


follow this steps and fix it. God bless you
  • Make sure the key and kill switch are both in the "on" position. Ensure that the proper starting procedures for your bike are followed. Is it in neutral? Clutch pulled in? Gas in the tank? Then try to start your bike. Does it turn over? If not, check to see that the battery is properly connected and the terminals are not corroded. If they're loose or dirty, clean and tighten them. Then, using a voltmeter that measures ac/dc and ohms, check to see that your battery has enough charge to crank the engine. If not, replace or charge your battery and try again. If it still doesn't turn over, there may be a loose connection between your battery and starter; a bad ignition or starter switchl or a bad safety relay. Check a repair manual for proper testing procedures for your bike, as each motorcycle differs.
  • 2 If your bike turns over but doesn't catch, check to see that it's getting fuel. If the bike has a fuel petcock, make sure it is in the "on" (or, on certain bikes, "prime") position. Then remove the main fuel hose and check to see that fuel is flowing freely. If fuel isn't getting to the carburetor or injection system, your bike won't run. If that's the case, your problem is likely something in the fuel system. If fuel is flowing freely, reattach the lines. If it's not, check to see if the fuel filter is clogged, if a line is pinched or if the petcock is working properly. One way to determine if the problem is in your fuel system is to put a few drops of fresh gas into each spark-plug hole, replace the plugs and turn the bike over. If it starts and then quits, the problem is likely in the fuel system.
  • 3 If you're getting fuel and the bike turns over but still doesn't catch or start, check the spark plug or plugs. Start by pulling off a spark plug wire, then removing a plug using the spark plug socket supplied in your bike's toolkit. Now inspect the plug. It should not be wet (usually caused by fuel, when the plug is not firing) or coated in carbon/burned oil deposits. Now check to see if the bike is getting spark. Although you can get a special, insulated set of pliers to hold the plug, there's a "quick and dirty" method for this: After reattaching the plug wire, lay the threaded part of the plug against the engine (not over the plug hole, as the spark could ignite any fuel that is blown out when you try to start it). Now, making sure you're not in contact with the engine or plug, hit the starter. You should see a nice blue spark. If you don't, make sure the threaded portion of the plug is touching the engine (but the electrode is not) and try again. If you still don't see a spark, you either have a bad plug or a problem with the electrical system. Check to see that all the ignition wires are properly connected and that you can't see any cracks in the wires. If the wires are cracked, they should be replaced. If you're still not getting spark, it's time to consult a repair manual or call a mechanic.
  • 4 If you've got fuel and spark, ascertain that your bike is getting enough air. Start by pulling off the air filter. If it's too dirty, you won't get the proper mixture of air and fuel in the carburetor or injection system. If it's clean, check to see that the air box is properly connected-- a loose hose or air leak can feed too much air into the system. If your bike is equipped with a choke, ensure that it's able to move freely and is not stuck in the "on" or "off" position.
  • 5 If you've followed these steps and still can't get your bike to run, call in an expert. If you think you've narrowed down the source of the problem, describe the steps you've taken to point the mechanic in the right direction.

Nov 21, 2013 | kawasaki Sport & Outdoor - Others

1 Answer

My harley wont turn over


Instructions
    • 1

      Make sure the key and kill switch are both in the "on" position. Ensure that the proper starting procedures for your bike are followed. Is it in neutral? Clutch pulled in? Gas in the tank? Then try to start your bike. Does it turn over? If not, check to see that the battery is properly connected and the terminals are not corroded. If they're loose or dirty, clean and tighten them. Then, using a voltmeter that measures ac/dc and ohms, check to see that your battery has enough charge to crank the engine. If not, replace or charge your battery and try again. If it still doesn't turn over, there may be a loose connection between your battery and starter; a bad ignition or starter switchl or a bad safety relay. Check a repair manual for proper testing procedures for your bike, as each motorcycle differs.

    • 2

      If your bike turns over but doesn't catch, check to see that it's getting fuel. If the bike has a fuel petcock, make sure it is in the "on" (or, on certain bikes, "prime") position. Then remove the main fuel hose and check to see that fuel is flowing freely. If fuel isn't getting to the carburetor or injection system, your bike won't run. If that's the case, your problem is likely something in the fuel system. If fuel is flowing freely, reattach the lines. If it's not, check to see if the fuel filter is clogged, if a line is pinched or if the petcock is working properly. One way to determine if the problem is in your fuel system is to put a few drops of fresh gas into each spark-plug hole, replace the plugs and turn the bike over. If it starts and then quits, the problem is likely in the fuel system.

3
  • If you're getting fuel and the bike turns over but still doesn't catch or start, check the spark plug or plugs. Start by pulling off a spark plug wire, then removing a plug using the spark plug socket supplied in your bike's toolkit. Now inspect the plug. It should not be wet (usually caused by fuel, when the plug is not firing) or coated in carbon/burned oil deposits. Now check to see if the bike is getting spark. Although you can get a special, insulated set of pliers to hold the plug, there's a "quick and dirty" method for this: After reattaching the plug wire, lay the threaded part of the plug against the engine (not over the plug hole, as the spark could ignite any fuel that is blown out when you try to start it). Now, making sure you're not in contact with the engine or plug, hit the starter. You should see a nice blue spark. If you don't, make sure the threaded portion of the plug is touching the engine (but the electrode is not) and try again. If you still don't see a spark, you either have a bad plug or a problem with the electrical system. Check to see that all the ignition wires are properly connected and that you can't see any cracks in the wires. If the wires are cracked, they should be replaced. If you're still not getting spark, it's time to consult a repair manual or call a mechanic.

  • 4

    If you've got fuel and spark, ascertain that your bike is getting enough air. Start by pulling off the air filter. If it's too dirty, you won't get the proper mixture of air and fuel in the carburetor or injection system. If it's clean, check to see that the air box is properly connected-- a loose hose or air leak can feed too much air into the system. If your bike is equipped with a choke, ensure that it's able to move freely and is not stuck in the "on" or "off" position.

  • 5

    If you've followed these steps and still can't get your bike to run, call in an expert. If you think you've narrowed down the source of the problem, describe the steps you've taken to point the mechanic in the right direction.


  • Buy F150 Parts.

    Jun 03, 2012 | Harley Davidson FXR Super Glide...

    1 Answer

    The bike is starting only with small plug gap.If we set the gap to original it wont start? tell me the reason?


    .....A weak battery comes to mind for starters. A carboned up spark plug is another; start with a new spark plug. If I recall correctly from 39 years ago, your bike has ignition points and condenser. Remove the points cover (on left end of the overhead cam), and check the points. Burned? Pitted? Get a new set of points and condenser but for now, just file the points a bit using an emery board or metal fingernail file. Set the points to .015 clearance at the high point on the cam lobe. If you have a timing light you could check the timing and adjust as needed by rotating the points base plate left or right. Bad points give resistance to the flow of electricity. When the points are closed, the condenser gets charged up. Less electricity going through the points means less of a charge going into the condenser. Now the points open up and the stored charge goes from condenser to coil. The coil then produces a spark. With a low charge in the condenser, the spark is weak and will not jump a wide gap. Set the plug gap to very little and the weak spark can jump the gap. The standard gap is .028. ....... I don't recall when Honda move the points to the flywheel but the images below may help if your bike is that style. Clean any rust on noted parts; magnets and pick up coils. Okay, now I have done my part. Now you gotta do yours; please rate my answer. Thanks! tombones49_177.giftombones49_178.gif

    Jun 15, 2011 | 1972 Honda CB 100

    1 Answer

    Bike just quit, will not crank. I have gas and plenty of battery. I changed both plugs. I suspect no fire from the coil. But I;m not sure how to troubleshoot the coil.


    Pull the spark plug wires off the spark plugs. Get another set of spark plugs and put them in the wires. Make sure the spark plugs are grounded to the engine, turn the switch on and press the start button. You should see the plugs spark as the engine turns over. On another note, if your bike is equipped with a carburetor, you may have fuel in the fuel tank but none in the carb. In 1996, Harley went to a vacuum operated fuel petcock and they give problems. The diaphragm in the backside of the petcock gets a hole in it and it will not open and allow fuel to flow to the carb. You can have a full fuel tank but not a drop of fuel in the carb. The petcock can be repaired but you'll have to drain the fuel tank and remove the petcock. I usually suggest that the petcock be replaced with a high quality manually operated petcock like a PIngel. You'll have to manually turn your fuel on and off old school style but you'll solve that problem permanently.

    Good Luck
    steve

    Jun 10, 2011 | Harley Davidson FLSTS Heritage Springer...

    1 Answer

    I have a 2010 aguila GV250 efi (170km only) and for some reason the plugs become faulty and I lost spark, the bike wouldn't start. I replaced the plugs and now the bike starts but has a mind of its...


    I also have a GV250 EFI 2010 model. Make sure you do a full deep cycle recharge of your battery, check water levels etc prior to charging. A standard basic $40 to $70, 12 volt car battery charger shall suffice for your bike battery. Or take the bike for a good run for a few hours on the open road the get some charge in the battery. A very common problem for this kind of motorcycle whereby being a fuel injected model it requires a minimum amount of power to run the computer that controls fuel mix etc. When slowing down dropping down to second and into first to stop at traffic lights etc the bike will often stall if the battery is flat and the bike is at low revs. You can compensate by adjusting the throttle slightly to keep the revs up, causing the alternater to produce more power to keep the computer at a minimum voltage input. If the battery is very low on charge at low revs it will either stall or continuosly rev ridiculously high and low to try and produce anough power to run the ECU. This is a very common problem for this bike.
    Very prominant if running add on fog lights as well, like I do.
    Easy to fix, make sure battery is fully charged before you use. A lot of people buy a small trickle charge battery charger to put on their bike to keep battery maintianed when sitting in the garage. I only use my bike in good weather and usually only on weekends. Embarrased the hell out me first time my bike reved up and down, as it was in heavy peak hour traffic. I got some funny looks.

    Keep the battery maintained and you should be OK.

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    1 Answer

    R1200RT won't start nothing at all, battery is charged . Bike was left standing for over a month.


    First of all remove the spark plugs and check, if dirty clean the plugs and set the gaps. Now crank to flush out any overflow in the cylinder. replace the plugs.
    Check the fuel filter and the fuel lines. check to see if there is any restriction of fuel flow to the cylinder. Replace fuel if the fuel was dirty and clean the tank.
    Now crank with the spark plug to see the intensity of the spark. if Ok replace the plug and crank.
    If there is not ignition check and reset the spark timing.

    Apr 09, 2011 | 2008 BMW R 1200 RT

    1 Answer

    Trx 850 battery wsa going flat had to charge to get going a couple of times.Sure enough it failed totally making the start relay chatter.Fit new battery still will not start bike is gettig fuel &...


    Pull the spark plugs then go get a fresh set. The bike is probably flooding out. Clean the air filter then spray starting fluid into the filter. Be sure there is gas in the tank and the fuel valve is open.

    Mar 22, 2011 | Yamaha TRX 850 Motorcycles

    4 Answers

    Bike was running zx6r f2 model 1996 no bother now wont start got spark cleaned carbs,but wont go even with easy start doesnt seem to be taking in fuel even though the carbs are filling up checked valve...


    hello this is only a solution

    try putting a new float in the carb and check that it isnt flooded or the carb housing is cracked because it could be sucking in air some where and make sure its the right carb for the bike

    if this dosent work the cheapest way it to make the valve clearance right as it says in the manual then try it if still not try bumping the bike if this dosent work just ask again

    thanks hope it helped

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    1 Answer

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    I would check for compression on the cylinders. a engine has to have fuel,fire and compression or it wont run. Check the specs to get the operable compression levels.

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