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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 a motorized road bicycle. This section is for sharing ideas on motorizing your mountain and road bikes.


My first build. The essentials.

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


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Old 11-02-2013, 04:48 PM
topps topps is offline
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Default My first build. The essentials.

This is my first motorized bike build. $199 walmart hiland eclipse 26'' mountain bike and flaming horse 66cc engine kit from enginesonlineshop. Have done lots of reading in the forums and have some questions. My plan is to use Stihl 2stroke oil for break in period and there after in the correct mix ratio. Its the same stuff thats used in my chainsaw. Is this suitable oil or do need motorcycle 2stroke like the dirtbikes use. Next am reading alot about the need to replace the chain in all the kits. My kit comes with bikechain #210 any opinions on this? Also read alot about weak hardware in these kits. Is it about mandatory to buy all new hardware and spark plug(read lots of sparkplug fails). Write me some suggestions of materials to make this first build success. Two links below are the engine and bike in shipment.

http://www.walmart.com/ip/Hiland-Ecl...-Bike/14659083
http://www.enginesonlineshop.com/Fla...ngine-Kit.html
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Old 11-06-2013, 01:02 PM
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Default Re: My first build. The essentials.

The bottom frame bar is too big for the extension mount that came with the kit. Any ideas how to make the bottom mouint fit?

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Old 11-06-2013, 08:05 PM
bill2781 bill2781 is offline
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Default Re: My first build. The essentials.

welcome to the forums and the world of motorized bikes .on your mouts to your engine I wouldent use any rubber in there id mount it firmly to the frame it will cause you problems in the future . your kit should also have a u bolt and a piece of steel with 4 holes in it should work with that.
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Old 11-06-2013, 09:09 PM
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Default Re: My first build. The essentials.

Here's an old thread that addresses the issue of oversized downtubes and what others have done to mount engines to it > http://motorbicycling.com/showthread.php?t=6427

As for your oil choice, Stihl is a good oil. Mix it as per the manufacturer's instructions. Ignore the kit instructions that tell you to use a 16:1 ratio. That's too much oil. 24 or 32:1 is a better choice.

Many will tell you to replace the kit fasteners but it isn't absolutely necessary. Save your money and buy a torque wrench instead and don't overtighten the kit hardware and you'll be just fine. Most fastener problems are caused by over tightening and breaking the fasteners.

The weakest link in your kit is the spark plug boot. Throw it in the trash and replace it with a good automotive quality item. The high voltage lead (spark plug wire) that comes with the kit is okay to use but they are often short and restrict where you can mount the CDI.

Do not rely on the plug-in bullet connectors on the blue and black ignition wires. They can be a source of poor electrical connections. Strip the wires and solder those connections and protect them with heat shrink tubing.

Tom
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