Quenton did that for my Whizzer also. It really does help it's performance. He does really good work. I had him paint the cylinder fins black and it has been loads of fun to ride now. He worked on my bike back at Thanksgiving time but I only got it back up and going 2 weeks ago. My top end seems to have increased but not a lot. I was still breaking it in when i traded it to datz510 for his bike.

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LennyHarp of Lenny's Bikes & Things
http://lennyh.com
The true value of a man is not judged by what he has, but rather by what he can do without.
"We are what we repeatedly do. Excellence, then, is not an action, but a habit." -- Aristotle