Full Version: Engine breakin
Has anyone else been told that after engine breakin period is done that you will gain upto 20 hp ? just wondering what anyone has experienced with hp gains and when this happens I have 910 km on mine
QUOTE(phazer123 @ Feb 24 2008, 07:28 PM) 
Has anyone else been told that after engine breakin period is done that you will gain upto 20 hp ? just wondering what anyone has experienced with hp gains and when this happens I have 910 km on mine
What you've heard is wrong, at 500 miles ECU switches over from protecting the motor air/fuel map to a performance map, so what your experiencing is a gain from 75 hp to 80 hp
thanks did you notice the hp gain
Urban Legend........
QUOTE(Isthatahemi @ Feb 24 2008, 08:20 PM)
Urban Legend........
This urban legand came from a yamaha mechanic
That's the second urban legend on this site from a Yamaha "mechanic" them.
QUOTE(Isthatahemi @ Feb 26 2008, 05:48 PM)
That's the second urban legend on this site from a Yamaha "mechanic" them.
Kind of a spode to everyone eh?
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