yesterday....dyno`d the 600....yes the stuttering oneĀ  :o ....83.19 bhp at the rear wheel,95bhp when new,if you can believe yamaha,maybe loose 10% with final drive on a bike thats done 40,ooo miles......happy with thatĀ   
 
new plugs and small adjustment to pilot screws gave me another 4.5 bhp
	
	
 
 new plugs and small adjustment to pilot screws gave me another 4.5 bhp
One, is never going to be enough.....
	
	

 
 

 
