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Pocket quad bike installed new spark plug but very weak spark

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  • 10 Answers

Check the spark plug wire

Posted on Oct 28, 2012

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Posted on Jan 02, 2017

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  • 21 Answers

SOURCE: i got weak spark so wont start got new plug

sounds like oxidization on your timing plate take it out and clean it with a peice of sand paper

Posted on Mar 18, 2010

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SOURCE: Backfire when I get off the throttle and down shifting

no your totally wrong the backfire is bcause if u juice the throttle there is excess fule in the cylinders witch give it no where to go so it ignights and creates a backfire witch is not necessarly bad.

Posted on Sep 15, 2009

miket756
  • 2702 Answers

SOURCE: KTM 250SX WITH WEAK SPARK. HAS SPARK WITHOUT CAP

try changing the HT leed the spark plug cap screws into this leed if its past its sell by date the plug cap dont make good contact with the carbon fibers inside the HT leed so just change it,,,

Posted on Feb 06, 2010

  • 5 Answers

SOURCE: Weak ignition spark

Make sure battery is up at least 11 - 11.5 volts
A low battery will spin over and sound like it should when cranking sometimes, but the starter will rob spark from the ignition and not fire due to low voltage

Posted on Jul 17, 2010

pack484hawks
  • 13 Answers

SOURCE: hi i have a dinli

I assume that is a 100cc, 2 stroke ATV? If the starter motor is spinning, and you just don't have any spark. First, replace the spark plug. If that doesn't fix it, then you may have one of the following problems: Bad CDI, Kill Switch or Rip Cord Shut off switch, Frayed wire shorting out, cracked/damaged spark plug cap, bad coil or coil wire, bad stator. My bet is on the kill switch and/or Lanyard/Rip Cord shut off switch or the CDI. You can bypass your shutoff switches to see if they are the problem by either disconnecting the wires or connecting them together(depending on the type of system you have). CDI's routinely fail on small engines and generally cost about $20-$70, depending on the style. www.solanocycle.com

Posted on Jan 03, 2011

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2 Answers

Weak fire on pocket bike


Hi, I do a lot with these bikes, I think if you are getting a weak spark there is a couple things to check. First, do you understand how it builds the power to create the spark? The magnet in the flywheel has to be very close to the magnito or coil, if the gap is too much it will cause a weak spark, if the magnet is weak, weak spark, if the coil is shorting internally, weak spark. If the plug wire is damaged, weak spark. I hope this helps you.

Jan 25, 2015 | Quad 47 cc / 49 cc Pocket Mini Bike...

2 Answers

How do I fix my 49cc 2 stroke pocket quad it has


If you have replaced the spark plug then the possibilities are the ignition coil is weak or the starter mechanism is faulty.

See this site for details of parts.
Mini Atv Quad Parts 47cc 49cc Stock Replacement

Sep 15, 2014 | Quad 47 cc / 49 cc Pocket Mini Bike...

1 Answer

Mazuma quad no spark


I've heard that the CDI box tends to go and usually costs around 5 bucks although I don't know how to test them yet

Jun 28, 2013 | Quad 47 cc / 49 cc Pocket Mini Bike...

2 Answers

I have a 47cc pocket rocket and there is no spark at all.


first, if all connections are good, try replacing the spark plug, if still no good, check if coil gap to rotor is .020". if the is good, you will need to replace the ignition coil.

Oct 17, 2009 | Quad 47 cc / 49 cc Pocket Mini Bike...

1 Answer

I have no spark on a ducar 110cc quad


test all connections,for strength by bending them

Sep 22, 2009 | Quad 47 cc / 49 cc Pocket Mini Bike...

1 Answer

There is no spark


take out spark plug and lead,put plug in vice,now pull card,by plug being in vice you should get a good earth for a spark

Sep 20, 2009 | Quad 47 cc / 49 cc Pocket Mini Bike...

2 Answers

Pocket bike prblems


Get some engine starting fluid and spray a small amount in the air intake. If that doesn't work take out the spark plug and see if it sparks when you pull the cord and make sure it is not fouled. If it is wet with fuel dry out the plug and pull the cord a few times to clear the cylinder. Fresh premium fuel always works best on temperamental engines.

Sep 06, 2009 | Quad 47 cc / 49 cc Pocket Mini Bike...

2 Answers

What size/type of spark plug is in the 47cc mini pocket rocket


Check the owners manual, a lot of pocket bikes have different size spark plugs.

Jul 15, 2009 | Quad 47 cc / 49 cc Pocket Mini Bike...

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