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Amal Concentric Tuning
Norton Race Manual

by Jim Schmidt

"Norton" name for reference purposes only. Not affiliated with Norton Co.

Concentric Carburetor Tuning
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    Want better performance from your Norton twin?
    A must for every Norton racer - Novice or expert. This manual contains priceless info gleaned from some of the greatest tuners of our time including notes from Peter Williams, Ron Wood, Leo Goff and many others. Twelve 8” × 11” pages of text. Eleven pages of illustrations and text. Three pages of photos. Subject material includes crankshaft lightening, reshaping and balancing (how to balance your own crank). Strengthening of crank PTO shaft (very important). Detailed porting specs for three stages of tune. Exhaust pipe and megaphone specs for various states of tune. Making and fitting your own big valves (1mm oversize). Racing cam specs for Norton factory cams, C.R.Axtell cams’s and other high performance cams. Piston and pin lightening. Handling/suspension improvements for Norton forks. Photos of rear monoshock layouts (racing frame) and much more for only $25.00 (plus shipping). Order now and make your bike a winner.
    See my other Norton racing parts on my site here: Norton racing parts.


Price: $25.00 + postage. No hidden charges. Sorry, I can't take your credit card but PayPal can, just click this link:.

Or if you prefer, use a postal or bank money order and mail to:

JIM SCHMIDT
4480 North Academy Ave.
Sanger, CA 93657

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