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Chopper Project

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Chopper Project

PostAuthor: eunszette » Wed Sep 26, 2018 8:30 pm

I am currently building a 150cc Chopper.

It is a china motorcycle and of course a china engine and chassis. As I made my research it is a Lifan LF 150-14.

Here is it's specification:

150cc
Water-cooled
4-stroke
OHV
Single Cylinder(Dual-exhaust pipe)
Gasoline

I have modified the frame from a soft-tail to a hard-tail so the weight becomes heavier(I assume) but I also modified the seat(single-seater), rear and front fender(shorter and smaller but is a steel now), the handle bars from stock to drag bars, and lastly the tires. (front: from-110/90-r16 to-120/100-r16; rear: from-130-80-r15 to-170-80-r15).

What I need assistance with is the engine. First, it was left dead for 6 yrs. I really got no idea if the engine can still run or not. I can't crank it for it do not have a kick start plus the wires/wiring is really mess-up.

Now I need help on "How to" make the engine alive again. What do I need to do? What's first? What is/are the next steps?

BTW, I will be replacing everything I can as possible. (battery, transmission, engine block, head, etc.)

Also if you can let me know are the best brand(s), model(s) for the parts I need let me know.

I am looking forward for advises, help.

I know that I should have just throw this china crap but this is a project my dad started and weren't able to complete and he'd like to see it finished.

TIA.

Here is how the bike looks like:

Image
Image
Image
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CCn0QjRx6BAgBEAU&url=https%3A%2F%2Fwww.olx.ua%2Fobyavlenie%2Fprodam-lifan-lf150-14-IDAuROc.html&psig=AOvVaw1ko9k0Pt6Ijrvr3Ncylkhr&ust=1538098078439539" alt="Image" class="resize_me" />
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eunszette
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Re: Chopper Project

PostAuthor: Jake » Wed Sep 26, 2018 10:11 pm

I deleted your duplicate thread in Off Topic.

You only need one thread per issue/problem/question.
_______________________________________________________________________
“It ain’t what you don’t know that gets you in trouble.
It’s what you know for sure that just ain’t so.”

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Re: Chopper Project

PostAuthor: eunszette » Thu Sep 27, 2018 4:38 pm

Thank you. I have thought about that right after I posted the 2nd thread but I really don't know how to do it. Thanks a lot admin!
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Re: Chopper Project

PostAuthor: Jake » Thu Sep 27, 2018 5:11 pm

Unfortunately, we don’t have very much information on the Lifan.

The wiring has been changed and the bike has sat for 6 years, doesn’t give anyone much of a staring point to help you.

This PDF attached to this thread may give you a little guidance viewtopic.php?f=4&t=47803
_______________________________________________________________________
“It ain’t what you don’t know that gets you in trouble.
It’s what you know for sure that just ain’t so.”

~Mark Twain
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Re: Chopper Project

PostAuthor: eunszette » Thu Sep 27, 2018 5:39 pm

Thanks a lot again. I'd look onto it.

Besides, any thoughts about "PULL-START"?

Take the engine sprocket, roll a thread/rope/(or what ever you can have), get the transmission on the highest gear then pull as hard as you can.

Is this possible for a motorcycle?

If so, will it work w/ just carburetor, fuel, spark plug, and engine itself? (no battery, etc.)
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eunszette
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Re: Chopper Project

PostAuthor: Jake » Thu Sep 27, 2018 5:52 pm

eunszette wrote:Thanks a lot again. I'd look onto it.

Besides, any thoughts about "PULL-START"?

Take the engine sprocket, roll a thread/rope/(or what ever you can have), get the transmission on the highest gear then pull as hard as you can.

Is this possible for a motorcycle?

If so, will it work w/ just carburetor, fuel, spark plug, and engine itself? (no battery, etc.)


Extremely unlikely without a battery, Not having a kick starter, would suggest it uses a transistorized ignition system and alternator instead of a generator and points and condenser.
_______________________________________________________________________
“It ain’t what you don’t know that gets you in trouble.
It’s what you know for sure that just ain’t so.”

~Mark Twain
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Jake
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Re: Chopper Project

PostAuthor: eunszette » Thu Sep 27, 2018 10:29 pm

I am sorry but how do I define if it is an alternator that my bike is using or a generator?


What I know though is it has a stator and a rotor. That's it.
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Re: Chopper Project

PostAuthor: Jake » Fri Sep 28, 2018 6:22 am

You need a battery to start it. The wiring has been changed and you'll need a battery to see if you even have power in the right places.
_______________________________________________________________________
“It ain’t what you don’t know that gets you in trouble.
It’s what you know for sure that just ain’t so.”

~Mark Twain
User avatar
Jake
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Posts: 11858
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Joined: Wed Jun 06, 2007 3:18 pm
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Sex: Male

Re: Chopper Project

PostAuthor: eunszette » Fri Sep 28, 2018 4:41 pm

I just bought a Yuasa battery however as what I have stated above since the bike wasn't used for over 6 years, the wires are no longer usable(I have concluded so because the copper wires can no longer conduct electricity because of too much grease, dirt,etc. Again the was wires was mishandle).

Now the problem i have is I can't look for any wiring diagram I can refer to. this bike has 0% wires so the battery I've bought is complete useless(I assume)

What do I do now.
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