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Motorized Bicycle General Discussion All topics regarding bicycles with engines.

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  #611  
Old 02-05-2012, 03:57 PM
monark monark is offline
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Join Date: Feb 2012
Location: sweden
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Default Re: Motorized Bicycle Take a Tip...Leave a Tip

hi again,about the sight gauge. you cant plug the upper end or there will be a vacumproblem.got a flashback an looked it up.we did on a friends old moped once and we hooked the upper end to the breather in the gascap.you gotta have a type of closed loop. ride on
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  #612  
Old 02-05-2012, 05:57 PM
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silverbear silverbear is offline
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Default Re: Motorized Bicycle Take a Tip...Leave a Tip

Yes,
That makes sense, the air trapped in the sight gauge line would prohibit gas flowing. Could still be done remotely if the line reaches high enough and has a fuel shut off valve at the upper end when the bike was not in use... say if it ran up the seat post and under the seat. Simpler though as you have it.
SB
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  #613  
Old 03-13-2012, 11:04 AM
waintain waintain is offline
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Location: Maine
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Default Re: Motorized Bicycle Take a Tip...Leave a Tip

Stop at intersections,when police are present.
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  #614  
Old 03-15-2012, 09:25 PM
bikeman8 bikeman8 is offline
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Join Date: Mar 2012
Location: ofallon mo
Posts: 18
Question Re: Motorized Bicycle Take a Tip...Leave a Tip

hi. im new to mbs.

i ordered my kit saturday and just got it today.

i ordered a mage motors 66cc kit and im not sure if this is the right one but it has a slant head.

in the assembly video it had a completley different kit.

im having trouble with the wires. i hooked it up like it said to

but the kill switch wont work.

the kill sitch is yellow/red and green

the engine is green black and white

and the plug cap box is green and black.


i have all the green together.

and both black with red/yellow wire.

the white one is supposedly for headlight?

i have it on a 26 inch huffy cranbrook.

and also, i accidently broke 2 spokes and bent a few due to a misalignment error

can i still ride this safely?

any help would be apreciated. thanks
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  #615  
Old 03-15-2012, 10:57 PM
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GearNut GearNut is offline
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Join Date: Aug 2009
Location: San Diego, Kaliforgnia
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Default Re: Motorized Bicycle Take a Tip...Leave a Tip

Hi bikeman8, welcome to the forum!

The correct wiring for your setup would be:

Green to Green (the way you have it all ready).
Black to Black.
Leave the kill switch disconnected until after you have the engine running.
The kill switches are well known to be shorted out brand new. If yours is too and you connect it right away, the engine will never run, and you will be mad at it.
You can easily stop the engine by applying the choke or by holding the rear brake on and quickly letting the clutch out with the engine at idle speed.

When you do get to connecting the kill switch it does not matter what wire goes to what so as an example: Green to Green wires and Yellow/ Red to Black wires.

The white wire is supposed to be used for powering a light but it is too weak to power any light that will actually be bright enough to be any good.
Either cap it off with electrical tape or heat shrink tubing, or best to just cut it off right at the magneto inside the magneto housing.

Broken or bent spokes should never ever be trusted for any reason EVER.
Either repair the wheel or replace it.
It is not worth injuring yourself over.
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Last edited by GearNut; 03-15-2012 at 11:03 PM.
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  #616  
Old 03-15-2012, 11:03 PM
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The_Aleman The_Aleman is offline
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Default Re: Motorized Bicycle Take a Tip...Leave a Tip

<removed out of protest to certain "staff" practices in this forum.>
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Meh.

Last edited by The_Aleman; 03-14-2015 at 07:48 AM.
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  #617  
Old 03-15-2012, 11:44 PM
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Jumpa Jumpa is offline
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Join Date: Aug 2011
Location: Cape Cod
Posts: 607
Default Re: Motorized Bicycle Take a Tip...Leave a Tip

and a fool proof alignment adapter for rear sprocket
scroll 3/4 of the way down under bike parts you will
see an aluminum sprocket adapter sent by the gods
It puts the load on the hub ,where it should be, not \
on the spokes
http://www.sportsmanflyer.com/

Last edited by Jumpa; 03-15-2012 at 11:47 PM.
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  #618  
Old 03-15-2012, 11:45 PM
bikeman8 bikeman8 is offline
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Join Date: Mar 2012
Location: ofallon mo
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Default Re: Motorized Bicycle Take a Tip...Leave a Tip

thanks for the help guys.

also, im having trouble aligning the wheels.

if i brought it up to a motorcycle shop could they fix it and tune it?

ill try and post pics of my bike that ive dubbed frankenstien, as i have had to make the front mount from scratch.
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  #619  
Old 03-15-2012, 11:51 PM
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Jumpa Jumpa is offline
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Default Re: Motorized Bicycle Take a Tip...Leave a Tip

I had the exact bike the Cranebrook it is blue pic in my profile photo's you can see in my picture how high it was mounted "the motor" before I got rid of that stupid pull starter that almost ripped my arm off . When I got rid of the pull starter I was able to drop the motor down to where it belonged made life so much easier & bike more balanced
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  #620  
Old 03-15-2012, 11:56 PM
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Jumpa Jumpa is offline
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Join Date: Aug 2011
Location: Cape Cod
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Default Re: Motorized Bicycle Take a Tip...Leave a Tip

curious as to why you had to make the front mount from scratch? No need unless you got the pull starter!
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