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Old 04-26-2011, 12:21 PM
Newbikers Newbikers is offline
Motorized Bicycle Elite Member
Join Date: Apr 2011
Location: charlotte N C
Posts: 128
Default Re: Questions for experienced cyclists

Originally Posted by spad4me View Post
All Chinese happytime motor kits have NO quality control.
They are all crap.
Only the DEALER that you bought it from can help you if you have trouble.
There are very few that will help you after the sale.
It has been too long for me to recommend a dealer.
I do not build happytimes anymore.
Count on everything from the rear sprocket to the twist throttle and everything in between to be off in quality.
How expensive would a new motor for the scooter be??
a complete 50 cc engine with transmission for $300.00
Hooper Imports Experts on Chinese Motorcycles and Parts, Engines - Product Detail

A 70 cc for $300.00 as well .
Hooper Imports Experts on Chinese Motorcycles and Parts, Engines - Product Detail

Count on spending many frustrating hours replacing all the inferior quality parts until magically one day they quit breaking for a while NO kidding.
Happytimes are a hobby only.

Look at a thats dax ora BMP friction drive if it doesnt rain too much where you live.
Without the loss of friction between the drive roller and the back tire, when it rains, they will be a much better option on a motorized bicycle.

FYI I used to buy parts from a very well known Chinese scooter importer.
All of a sudden they began to fail .
I began to really carefully inspect the replacements this jerk was selling me.

They were used returns from that the factory was sending him .
He did not want to be stuck with them so he was selling them as new.

Buyer beware when dealing with Chinese imported stuff.

Thanks for the info
I was fixing stuff on my Chinese scooter weekly so i'm no stranger to that

The main thing i really like about these engines is the simplicity of them
I know alot about small engines so this wouldn't be hard for me to fix anything on it

Especially since 2 strokes dont have valves like a 4 stroke.
(And yes I had a 2T scooter before)

So i'm no stranger to mixing gas

Another thing that interests me is the fact the engine can be rebuilt for very cheap
I noticed a new cylinder costs 25$. a new scooter cylinder costs around 100$
I noticed the head costs 10$.

My old 150cc head was 100$ shipped to replace.

These engines are easier to work on and cheaper to rebuild
So in the long run i think a Motor bike will actually cost less to ride then a China Scooter.

The china metal is so weak that the bolts and everything strip out all the time and everything rattles loose. so I'm used to that crap

I already have a helicoil kit in my garage LOL

Anyways I was also interested in how the back sprocket attaches to the hub of the wheel.

Could anyone explain or show me some pictures? That is the onlything in the kit that i don't fully understand.
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