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Motorized Mountain Bikes and Road Bikes Motorize a full suspension mountain bike to get a smother ride or for a little more speed try motorized road bicycles. This section is for sharing ideas on motorizing your mountain and road bikes.

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  #1  
Old 03-29-2016, 03:53 PM
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Default Motored fatty

Well started a new job so now I'm in the market for a project. Saw this at walmart also where I got new job wondering what I need to know for putting a 2 stroke kit on a fatty.

http://www.walmart.com/ip/26-Huffy-M...-Blue/49058108
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Old 03-29-2016, 06:53 PM
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Default Re: Motored fatty

I've seen it done 2 ways. You could use a jackshaft or fabricate some offset engine mounts. Either way, the width of the tire makes it hard to get the chain aligned right.

But it's only a 3" tire, so you may not have any issues.
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Old 03-29-2016, 09:26 PM
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Default Re: Motored fatty

yea 3 inch would for should clear especially with a hub adapter - CNC sprocket from maniac mechanic... you can just slide it far left to clear the extra .75 inch... but maybe it wont... we wont know till someone is brave enough to gamble it all to find out. Good looking inexpensive bike though. Let us know if you pull the trigger on the build.
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Old 03-29-2016, 11:13 PM
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Default Re: Motored fatty

Will for sure ziptie. I'm about 90% certain I'm getting the bike. Honestly I was expecting aluminum.
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Old 03-30-2016, 01:12 AM
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Default Re: Motored fatty

If you can get 1/16 inch clear of that rear tire you will be golden. A 41 chain will also be more forgiving of any slight chain angle. May the bike gods bless your journey into unknown territory on your build. Later
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  #6  
Old 08-11-2016, 11:59 AM
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Default Re: Motored fatty

It's been done by the other local builder. Customer was having a lot of grief and called me several times to drop it off so I could make it work. He never brought it in so either he got it working or have up. From the pics he sent it was just stock parts pushed all the way over. I have done a 3" rear tire with no jackshaft but I off set the motor about 6mm with different mount holes. Let us know if you try it and feel free to pm me if you get stuck.
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Old 08-13-2016, 02:57 AM
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Default Re: Motored fatty

Good question for KC
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Old 12-16-2016, 08:19 PM
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Default Re: Motored fatty

I too am looking at one of the Walmart "fat tire" but am looking at the 4" wide tire. I'm very worried that there may not be enough clearance for a strong, 2 stroke the way the top tube tapers. Looking to do a jack-shaft as well to take advantage of the 7 speed..(It's a Mongoose) 21" top bar, 24" bottom bar, and 11.5 rear bar.
Any body have experience with this one?
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Old 01-20-2017, 05:20 PM
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Default Re: Motored fatty

Quote:
Originally Posted by BarryT View Post
I too am looking at one of the Walmart "fat tire" but am looking at the 4" wide tire. I'm very worried that there may not be enough clearance for a strong, 2 stroke the way the top tube tapers. Looking to do a jack-shaft as well to take advantage of the 7 speed..(It's a Mongoose) 21" top bar, 24" bottom bar, and 11.5 rear bar.
Any body have experience with this one?
What about this one?
https://www.walmart.com/ip/26-Mongoo...e-Red/29741123
Or was that the bike you were thinking of?
Anyway, a good number of people have motorized this bike and it holds up pretty well for a mongoose, plus, it comes with disc brakes!

This is a picture of one motorized that I think is exactly what you want, except without the 48cc, you want a 66cc don't you
4c993dfc4367dcfd595c158cf10d7d2c.jpg
I'm actually considering making an electric one since the weather here gets so crazy, with ice, mud, rain... This would tackle it all
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Old 03-04-2017, 10:16 PM
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Default Re: Motored fatty

Quote:
Originally Posted by ultralight01 View Post
What about this one?
https://www.walmart.com/ip/26-Mongoo...e-Red/29741123
Or was that the bike you were thinking of?
Anyway, a good number of people have motorized this bike and it holds up pretty well for a mongoose, plus, it comes with disc brakes!

This is a picture of one motorized that I think is exactly what you want, except without the 48cc, you want a 66cc don't you
Attachment 84693
I'm actually considering making an electric one since the weather here gets so crazy, with ice, mud, rain... This would tackle it all
Why electric? Are you making it 2wd?
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