First Pocket Bike Purchase - Birthday present - Pocket Bike Forum - Mini Bikes
 
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post #1 of 7 (permalink) Old 04-14-2019 Thread Starter
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First Pocket Bike Purchase - Birthday present

Hello!
I purchased a pocket bike for my son for his 8th birthday. He loves it. It starts and runs but needs some TLC.
I am mechanically inclined and can do the work myself. I have owned several motorcycles and ATVs and have the proper tools.
I need some information on the bike, such as make and model so I can look up some specs.
The clutch may need replacing as it engages at high RPMs. The battery needs replaced, and the brakes need some adjusting.

I took some pics of the bike if someone can help me identifying the bike or maybe providing some information on it
but I am not allowed to post pics yet......


Thanks in advance
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post #2 of 7 (permalink) Old 04-14-2019 Thread Starter
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Re: First Pocket Bike Purchase - Birthday present





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post #3 of 7 (permalink) Old 04-14-2019
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Re: First Pocket Bike Purchase - Birthday present

Quote:
Originally Posted by Tkdco View Post
Hello!
I purchased a pocket bike for my son for his 8th birthday. He loves it. It starts and runs but needs some TLC.
I am mechanically inclined and can do the work myself. I have owned several motorcycles and ATVs and have the proper tools.
I need some information on the bike, such as make and model so I can look up some specs.
The clutch may need replacing as it engages at high RPMs. The battery needs replaced, and the brakes need some adjusting.

I took some pics of the bike if someone can help me identifying the bike or maybe providing some information on it
but I am not allowed to post pics yet......


Thanks in advance
Welcome to the site and its great to meet a newb that can post pics...Nice..

What you have for the lucky little guy is known as a FS-529 X7 49cc 2 stroke midbike and a pretty descent looking bike.

The high engagement of the clutch could be due to rust and oxidation of the clutch arms...These are pretty basic bikes and seeings you got some skills in the mechanics dept you're in for some fun....

The engine is a tool based engine that boasts all of 1.9hp but with a Dremel and some DIY mods you can double the power to give it a more powerful takeoff......

Cut
Up
Stuff
To
Obtain
Masterpiece

Last edited by CAM2; 04-14-2019 at 10:17 PM.
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post #4 of 7 (permalink) Old 04-15-2019 Thread Starter
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Re: First Pocket Bike Purchase - Birthday present

Thanks for the reply!! I will do some google searching for the manual and some other specs
Is it possible to purchase risers for the handlebars? The turning radius is tight, and if I can raise the handlebars, it may allow for a wider turn

Any thoughts?

Last edited by Tkdco; 04-15-2019 at 08:25 AM.
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post #5 of 7 (permalink) Old 04-15-2019
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Re: First Pocket Bike Purchase - Birthday present

Quote:
Originally Posted by Tkdco View Post
Thanks for the reply!! I will do some google searching for the manual and some other specs
Is it possible to purchase risers for the handlebars? The turning radius is tight, and if I can raise the handlebars, it may allow for a wider turn

Any thoughts?
The turning radius is tight on a real motorcycle too..Steering at speeds is done through the art of countersteering and hanging your weight to pull the bike down..........

Adding risers to the bars isnt gonna be easy without drilling through the fragile aluminum top fork clamp which isnt even possible on an X7 top clamp and besides those springer front forks arent the best anyways at speeds above 30-35mph as they tend to bounce and flex...…Theres a mod you can do to them also to mention the rear shock is just a spring and becomes a pogo stick at 30-35mph or on bumpy uneven road...…..

They make an X7 4 stroker too that has hydraulic front forks and theres 4 stroker pitbikes you can utilize the front ends from too or maybe trade the X7 for a pitbike/pocket dirtbike as they have slightly better steering........Once you start trying to remodel a cheap bike it can get expensive pretty fast...

What Ive seen some do is raise the fork tubes through the fork clamps and put the clip-ons on top which changes the steering geometry............

On one of my bikes one time I put the triple clamps on top and used a straight dragbar type bar and slid it through both clamps , locked it in and added the handles and throttle to it but if youre keeping the front fairing probably wouldn't be the best choice...

One thing to definitely note is that pocketbikes are in steep decline,,parts aren't as available as they once were and what is left isn't cheap except for maybe a racing carb kit and a topend rebuild kit...Forks are like $70 bux a fork leg and $50 for the top clamp and like $60 for the bottom clamp..Bodykit panels if you can find them start out at $350 for a complete body and $60 a panel...…….Sometimes ists easier and cheaper to fix the cracks and then get the body wrapped in a 3m vinyl film...…...

As far as a manual....Its vague,,tells nothing pertinent and is sometimes hard to understand as the Chinese aren't the best at translating over to english also to mention the engines on these things are just basic 2 stroke Mitsubishi based tool engines taken from trash pumps and augers and put on frames with wheels...…..

One things for certain if you are into this sort of stuff youll need to know even though these bikes seem pretty legit theres tons of room for improvements on them in the simplest places....

Youll be surprised just how much of a difference polishing or changing over to better grade wheel bearings,transmission bearings,polishing the chain or getting a premier series chain,servicing the trans box and adjusting the brakes right also using a cable luber tool on the cables makes with these things...….

Good Luck

Cut
Up
Stuff
To
Obtain
Masterpiece

Last edited by CAM2; 04-15-2019 at 11:54 AM.
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post #6 of 7 (permalink) Old 05-04-2019 Thread Starter
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I purchased a new clutch on ebay. It was a heavy duty steel clutch. It took 10 min to replace. I cleaned out the whole thing and sanded down the hub sprocket the clutch spins when it engages..
I ran the bike for a few min and immediately noticed a burning smell. I know that smell , the smell of burning brake pads ...
I took it apart and noticed wear on the clutch. Cleaned it out, sanded the clutch down and the hub to give it grip, reassembled, and same result...

Any ideas ? Should I have went with the aluminum clutch ??
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post #7 of 7 (permalink) Old 05-04-2019
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Re: First Pocket Bike Purchase - Birthday present

Quote:
Originally Posted by Tkdco View Post
I purchased a new clutch on ebay. It was a heavy duty steel clutch. It took 10 min to replace. I cleaned out the whole thing and sanded down the hub sprocket the clutch spins when it engages..
I ran the bike for a few min and immediately noticed a burning smell. I know that smell , the smell of burning brake pads ...
I took it apart and noticed wear on the clutch. Cleaned it out, sanded the clutch down and the hub to give it grip, reassembled, and same result...

Any ideas ? Should I have went with the aluminum clutch ??
You probably need to put proper air pressure in the tires..32psi

You may need to lower the idle screw a lil too..steel clutches engage very early...…..

You may have to replace the clutch housing bearing and service the transmission chain inside.....

Did you make sure both wheels spin without binding?..On those models it takes a technique to get the brake caliper centered with the right amount of spacing between pads and rotor..

Sometimes the clutchpad mount hole area is thicker than needed to be and needs to be filed down a lil to allow the pads to engage smoothly and without bind and the clutchpads shouldn't ever touch the flywheel

Whats your gearing?

Cut
Up
Stuff
To
Obtain
Masterpiece

Last edited by CAM2; 05-04-2019 at 09:18 PM.
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