A bada$$ 25cc it is.

Urban Fatbiker

Well-Known Member
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Jan 30, 2019
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Nashville TN
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I've got to pat myself on the back for this one, it surprises the heck out of me.

The bike's a mongoose, steel frame. Ryobi 25cc now has cone filter, venturi intake, 10mm carb bore, hi-flow RC car can exhaust.

Direct drive with lift clutch pushes a Goped 0.930" knurled roller.

It accelerates, it climbs hills! Top speed maybe 18mph no speedo just butt dyno, its got more than half of my 48cc geez.

I ran it hard today, on a hot day, and its got so much fuel and air going thru it now it screams and doesn't get hotter than it did puking at half-throttle.

Low RPM grunt is very pleasing for a puny motor.

Gave it away. Hope brother looks twice and then again b4 that next turn!
 

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