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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 07-22-2013, 11:21 PM
92gsxbafaro 92gsxbafaro is offline
Motorized Bicycle Newbie
 
Join Date: Jul 2013
Location: Spokane, Washington
Posts: 16
Default Second build K2 motorized bicycle

Ive been waiting a few months to get around to building a new motorized bicycle as the last one i built i made the mistake of building it on a cheapo wal-mart bike sooo here goes.

This one has a bit better of a frame and i had to make my own mount out of some steel plate and 2 muffler clamps works great. out of the two bikes i have built this one is by far the best haha. It has an ebay 80cc kit from the seller atv_parts_outlet. it was packaged a little rough and the motor came in pieces... wasn't really expecting that but everything went fine with fitting it to the bike besides the gas tank because the bike has brake/derailleur lines on top so i made some padding and to keep the tank from moving i riveted the mounts to the frame so the it wouldn't turn upside down (happened once gas all over my leg and a very uncomfortable ride home) i don't have a picture of the rivets but i had screws in there temporarily to see how it works.

i would love to hear some feed back on it so far its been a really fun build
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File Type: jpg motorbike-001.jpg (490.1 KB, 171 views)
File Type: jpg front motor mount.jpg (412.4 KB, 115 views)
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  #2  
Old 07-22-2013, 11:23 PM
92gsxbafaro 92gsxbafaro is offline
Motorized Bicycle Newbie
 
Join Date: Jul 2013
Location: Spokane, Washington
Posts: 16
Default Re: Second build K2 motorized bicycle

forgot to post a pic of the gas tank mount
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  #3  
Old 08-04-2013, 02:30 PM
Wally Wally is offline
Motorized Bicycle Member
 
Join Date: Dec 2011
Location: South Africa
Posts: 28
Default Re: Second build K2 motorized bicycle

Going to be difficult watching out for cracks in the pipe! (crossbar) I see meesages all over saying do not drill holes in the pipe work it cracks just there. I used silicone sealer under my tank and it hasn't moved in 12 months of riding approx 400 k's.
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  #4  
Old 08-04-2013, 10:39 PM
92gsxbafaro 92gsxbafaro is offline
Motorized Bicycle Newbie
 
Join Date: Jul 2013
Location: Spokane, Washington
Posts: 16
Default Re: Second build K2 motorized bicycle

i used rivets and i have a few hundred miles on it and everything seems to be fine. the top tube doesnt take tension as much as the bottom tube so im not worried about it
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  #5  
Old 08-05-2016, 01:44 PM
Gregjnoble Gregjnoble is offline
Motorized Bicycle Newbie
 
Join Date: Aug 2016
Location: Salem Oregon USA
Posts: 1
Default Re: Second build K2 motorized bicycle

Got a q for you. I have a k2 zed 2.0 bike very similar to yours. My q is can I leave the gears on the right side as is? I just gotta lose the rear rotor and put on a cantilever brake, etc. Email me any other useful info this is going to be my first build. Thank you!!
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  #6  
Old 08-10-2016, 04:03 AM
Cylon's Avatar
Cylon Cylon is offline
Motorized Bicycle Elite Member
 
Join Date: Jun 2015
Location: Maine
Posts: 225
Default Re: Second build K2 motorized bicycle

What happened to your walmart bike? I've been using a walmart bike for 2 years with out a failure, even crashed it really hard a few times.
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