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Old 08-18-2013, 04:06 PM
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Toadmund Toadmund is offline
Motorized Bicycle Elite Member
Join Date: Jan 2012
Location: Saint John, New Brunswick, Canada
Posts: 792
Default Is a Brass Bushing Engine not as fast?

Or is it because I didn't widen the intake to match the old cylinder? This cylinder had a much smaller intake that I widened with sandpaper on a stick, such a slow go I said good enough, but was it?

My motor of olde got about 60kmh top speed, whereas my new brass bushing motor gets about 50+ kmh.

Another possible factor is that its only been 2 tanks breaking in with Opti2, still not up to full seating of rings?

This is only my second motor so my experience is limited, please tell me about brass bushings vs needle bearing in your experience.
I love my Motor Bicycle, I love Beer, I'll try not to like them both at once.
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