Question about Quad 47 cc / 49 cc Pocket Mini Bike Scooter Atv Pull Start

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49cc kids ATV trouble shooting

I have a 49 cc kids ATV that I bought used this year. First few months it would run and keep dying over and over. While trying to start one day pulled too hard and broke the string, ordered a whole new pull start for it and it has been sittting about 3 months now we cant get it to start with the new pull start. It was kept under a tarp the whole time. Also the chain is too loose and would get off track, how do we tighten that?

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In order to tighten your chain you can take a link off which would involve using a grinder, if you dont have one than go to an atv store and ask them to do it. theres a clip on the chain which holds it togther, remove the clip without damaging it than just pop the link off. that will take the chain off. i dont know what type off atv you have so there are probably bolts that hold pull the back end to tighten the chain look for those and if you can find them than tighten them.

for your engine do an oil change and drain out the carborator. if you need more help let me know.

Posted on Jul 24, 2009

  • finestrokes Jun 30, 2011

    thgose back bearings are shot, i just rebuilt mine , ordered new bearings , seall , found some big axial spacers all new bolts , from local store jam nuts,, the problem is the axle is all reverse thread , when you axcellerate , the gear tightens , braking the caliper tightens, all on the bearing and the whole thing chornobyles, and yeah , it takes some time and alot of trained thought, to make things short ,take it all apart and put it back together again , , ,, you will have to add some parts , do some searching , and don't crush you bearings , if you want more specific help ,

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Try to clean the carb also the ignition system. Seem like there is a problem on the fuel delivery.

Atv windshield

Posted on Apr 03, 2013

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Posted on Jan 02, 2017

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SOURCE: 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.

Posted on Sep 06, 2009

Nickinfuts
  • 13 Answers

SOURCE: i cant get my kids 49cc quad to start from

Check for spark, there may be a "Kill Switch" or a key somewhere that needs to be turned in order for the motor to run. If you turn the motor over with a spare spark plug in the plug wire touching the tip of the spark plug that is in the motor it should show a spark. (It is best to do this in the dark to see the spark clearly)

Look for a fuel valve that shuts off the flow of gas typically located between the gas tank and the carburetor. Some carburetors have a float bowl drain at the bottom so you can drain the gas out for storage. If your carburetor has a drain bolt you can unscrew it and see if gas comes out.

Check for a choke lever or pull knob either on the carburetor or sometimes on the handlebars. I have also seen a primer bulb on the two stroke carburetors that act as a fuel enrichment for starting a cold motor.

Since it is new we can assume it has compression but it doesn't hurt to check it. Remove the spark plug, place your finger over the spark plug hole and turn the motor, if there is good compression your finger will pop off from the pressure.

If you have good spark, good compression and gas in the carburetor bowl chances are your carburetor jets are clogged. I would spray a small amount of starter fluid or a small squirt of gas into the back side of the carburetor after removing the air filter. If it runs for a few seconds then stops the problem is in the carburetor but most often the motor will continue to run and just needed priming. If it does not run on it's own there might be some debree in the float bowl obstructing the delivery of fuel but that is very rare for a new carburetor

Posted on Dec 29, 2009

  • 186 Answers

SOURCE: so I have a 50cc

have you checked to see if you have spark?

Posted on Oct 15, 2010

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