Pocket bike won't start - Pocket Bike Forum - Mini Bikes
 
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post #1 of 17 (permalink) Old 06-09-2016 Thread Starter
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Pocket bike won't start

So today I was using my pocket bike perfectly fine and I go put some stickers on it and once I was done I go to start it up and it doesn't start I check the gas it has some and it also has oil but it just won't start
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post #2 of 17 (permalink) Old 06-09-2016
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Re: Pocket bike won't start

What kind of bike is it? Is the battery charged? What does it do? Does it even crank? Does it click? Does it do absolutely nothing? If it clicks it's probably the starter solenoid or starter relay. If it does crank then it's a fuel delivery problem. Is the choke up or down? Is the fuel shut off valve/petcock on or off? Give us some info. If you can post pics even better.

Last edited by rgvcateye; 06-09-2016 at 10:06 PM.
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post #3 of 17 (permalink) Old 06-09-2016
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Re: Pocket bike won't start

Starting off with what kind of bike it is helps narrow things down. Are you able to post a picture or two of your bike? Maybe one of the forum members can identify it, and therefore be able to give you more specific knowledge. Just saying "My pocketbike doesn't start, what's wrong with it?" on this forum is like saying "I saw a woman shopping at Walmart, do you know her?"

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post #4 of 17 (permalink) Old 06-10-2016 Thread Starter
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Re: Pocket bike won't start

Quote:
Originally Posted by rgvcateye View Post
What kind of bike is it? Is the battery charged? What does it do? Does it even crank? Does it click? Does it do absolutely nothing? If it clicks it's probably the starter solenoid or starter relay. If it does crank then it's a fuel delivery problem. Is the choke up or down? Is the fuel shut off valve/petcock on or off? Give us some info. If you can post pics even better.
It is a blade 49r 4 stroke pocket that when we checked it the oil pan had nothing so we ended up putting oil in it and it was leaking like crazy we put 100 mlls and it just wont start please help
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post #5 of 17 (permalink) Old 06-10-2016
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Re: Pocket bike won't start

If you ran it without oil you might have seized the engine. Meaning the heat and friction couldve melted parts inside. Cam, EPR, blitz, spyguy, pockebik and other members know more about this stuff than i do. They will help when they get a chance.
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post #6 of 17 (permalink) Old 06-10-2016
Re: Pocket bike won't start

Wow, did you buy it new or used?? It is a four stroke w/ a cam & valves and an oil pump that feeds the moving parts. They have oil in the crank case for the oil pump to draw from. If it was run with a dry crankcase the engine is probably wasted. Someone put oil in the gas, like a 2 stroke. The cases might have warped and oil just runs outs.

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post #7 of 17 (permalink) Old 06-10-2016
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Re: Pocket bike won't start

Without pics or a better explanation its hard to tell. I recommend bringing it to a small engine shop, lawnmower shop or dirt bike shop to get it check out by a mechanic and tell them exactly what you did.

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post #8 of 17 (permalink) Old 06-11-2016 Thread Starter
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Re: Pocket bike won't start

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Originally Posted by Poketbik View Post
Without pics or a better explanation its hard to tell. I recommend bringing it to a small engine shop, lawnmower shop or dirt bike shop to get it check out by a mechanic and tell them exactly what you did.
Since i got no pics i will try to explain it since my pocket bike after i finished putting stickers on it it wouldn't run so we check the gas it had alot and when we checked the oil it was empty so my dad told me that it might not work because i was using it without oil once we put oil which we put 100 mlls or 80 mlls it was leaking like crazy from the carburetor and it just wont start and what kind of pictures ? Thank you for trying to help all of you

Last edited by BlueBae; 06-11-2016 at 01:35 AM. Reason: error
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post #9 of 17 (permalink) Old 06-11-2016
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Re: Pocket bike won't start

Can you take pics with your phone? Without pics it's hard to tell. Once we see the engine we can tell you what to do and look for.
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Re: Pocket bike won't start

Do you have the 2 gas line 15mm pumper carb w/ primer bulb on the bottom?? I believe that is the carb that engine comes with, sounds like the carb is not functioning right. It pumps gas from the gas tank, the tiny gas flow stop needle inside may be stuck open and gas keeps flowing till it over flows out of the carb. First I would take that stupid air cleaner box off, so you can see if gas is flowing out the carb. The piston opens and closes and has a 15mm holes thru with a brass main jet tube thru the center. Most of use get a 15mm/44mm OD alum billet V-stack w/ choke arm and 44mm ID air filter. The stock cleaner restricts the air flow to much. Both jets the Low and High speeds are adjustable, the high is the spring loaded one on the side.
You can get a new 15mm carb like that for $10 or less shipped. It is a very common carb, used on a lot of small engines.
Attached Images
File Type: jpg 4 stroke 40cc New PB Engine & Bike1.jpg (400.8 KB, 10 views)
File Type: jpg 4 stroke 40cc New PB Engine & Bike2.jpg (286.6 KB, 7 views)
File Type: jpg 4 stroke 40cc New PB Engine & Bike3.jpg (41.5 KB, 7 views)
File Type: jpg Modified 49cc Piston Port Engine2.jpg (412.4 KB, 10 views)
File Type: jpg Modified 49cc Piston Port Engine3.jpg (462.5 KB, 9 views)

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Last edited by EPR; 06-11-2016 at 12:30 PM.
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post #11 of 17 (permalink) Old 06-11-2016 Thread Starter
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Re: Pocket bike won't start

I thunk it stopped leaking but it wont start
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Re: Pocket bike won't start

Did you over fill it with oil?? That could make it leak and burn oil. I think your spark plug is fowled from to much oil, first the engine is hard to start and runs bad, then it won't start at all. Can you take off that air cleaner cover off the carb?? Leave it off so you can see what's going on when you try to start it. Not sure what plug it is, and I can't tell what kind of carb you have cause of the cover. Not sure what that small brass tube is that's coming off the top of the carb?? Have you had the gas lines off before??

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Re: Pocket bike won't start

Like what EPR said, sparkplug could be fouled. Is the starter hard to pull or unable to pull at all?
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Re: Pocket bike won't start

Please contact the bike fitter.

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This is a pic of my bike it won't start it did the first day not another day since I do remember if the clutch suppose to be up I smell gas every time I try to start rode it one time Xmas day
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I have the blue 2014 mototec bike mix gas and oil pull string start with a Lil like thing like on lawnmower u push in like 6 times but I don't know either when trying to start do I pull that lever up or down
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Re: Pocket bike won't start

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Originally Posted by Reliable Landscape View Post
I have the blue 2014 mototec bike mix gas and oil pull string start with a Lil like thing like on lawnmower u push in like 6 times but I don't know either when trying to start do I pull that lever up or down
My best advice would be to take the airfilter cover off and see ahat position the flap blocks the hole...That would be choke "ON"

Ig the bike wont start still pull the plug to see if its wet or dry...

Wet the carb is delivering too much fuel,,,dry...not enough fuel.........

Change the sparkplug too and before putting it in pull the rope 4-5 times to see if theres a fuel build-up from a bad carb....

Good Luck
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