100cc installing mongoose malus

Rainstick99

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Dec 9, 2023
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Louisiana
I bought a mongoose moths fat tire bike and I also bought a 100cc gas engine? But I was wondering if I will be able to install it onto the fat tire bicycle without any problems? I have never installed a gas engine onto a bicycle before but I want to make it a new project to do? Any suggestions?
 
All joking aside for a minute.
The stock motor rear mount positions the chain only about 1/2 inch from the seat tube. If you put a straight edge against the fat tire and project it to where the motor will go you will find it well beyond 1/2 inch so you will need a jack shaft or custom motor mounts to have a hope of lining the chain up.

Where there is a will there is a way.
 
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