Just rebuilt 2004 Yam SX Viper Mtn and during breakin noticed that at wide open throttle I would get 9,100 RPM. Checking the manual Specs it says that the engines Max horse power r/min is 8,500 r/min Just wondering if I'm over speeding the engine or if once it is at 8,500 r/min I'm not getting any more horspower? Or what??
Richey
Richey