Slotting the cam wheels allows you to set the cam timing for maximum horsepower. It also allows you to make up for production variations. Ducati's (amongst others) are notorious for having horrendous variations in cam timing with a fairly simple cam timing procedure liberating a few more Italian ponies.
You could spend a bit of time on the dyno setting it for absolute maximum effect but realistically the information for best cam timing is readily available and costs bugger all except for a bit of time.
Isn't it funny how people seem to find convenient excuses not to do something.
Go and watch a club meeting at Manfeild or Taupo and watch mega horsepower bikes, slick tyres and Ohlins up the wazoo get cleaned up by better riders on 600's with treaded tyres......or Glen Williams carving up most of the 600 field on his underpowered commuter bike.
Craig Shirriffs, Sam Smith, Jay Lawrence, Choppa, Johnny Burkhart and co have all been on the podium or won Superbike races on their 600's . They didn't give a toss about how many horsepower they were down, or whether the other bikes had fork cartridges or not, or how much theoretically faster the other bikes were, they just went out and raced, applying and improving their skills. The machine has fuck all to do with it.
Those who really want to race will....those who don't, won't.
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