Yamaha 2 stroke oil problem help!

I have a Yamaha 175, its an '89 “precision blend” oil system. It is acting up. If I run the boat real hard for long periods of time the oil tank on the motor will get so low the alarm sounds. If i stop and throw some oil in the little tank on the motor we are good for a while. I am guessing when running at high rpms the oil system is not keeping the little tank filled up. Therefore burning more oil than is being transferred to the little tank. Any ideas, could it be a filter that needs cleaning? If anyone has any ideas as to where to look I would appreciate it. I also noticed there is some oil dripping out of the bilge drain hole in the driveway. I don’t know if they could be related or if I have somewhere else leaking.

Wellcraft V20, 175 Yamaha
Formula 25 SC Express, Mercruiser 260

there is an inline filter betweeen the boat tank and the motor

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Thanks Chris, I will look and see if its clogged. Where can I get a filter for it to go ahead a replace it?

Wellcraft V20, 175 Yamaha
Formula 25 SC Express, Mercruiser 260

any yamaha dealer

www.teamcharlestonmarine.com
www.joinrfa.org