2004 sea doo 3d rfi

exhaust pipe rebuilding 300 total with shipping and new pipe if interested contact me here or my email chevy119@hotmail.com

Hi every one. I have some problem with ingington timing. My question is 1. " is timing have to stay the same on any RPM? " When I check with the timing light, on idle speed is ok, but when I press throttle is going off from the mark to advance. Is this timing don't have to be same on any RPM...