It's not rocket science...you have several easy variables. Cam positioning is the main one but pipe lengths and dia plus intake lengths and carb size come into play too.
Kick will remember a day at Levels where the mad pom had a ride on Colin's ZZR1100 and got off it fizzing about how easy it was to ride compared to the one in his bike which didn't come on till about 8 grand.
Historically NI engine builders have always gone for max power - having Puke and Manfield as the main circuits did that.
Down here midrange rules on Ruapuna and Levels. Teretonga is an anomaly in the SI...
Even our cam grinders differ - In my experience the NI companies will if anything overcam whereas Kelford have always preferred to slightly undercam.
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