2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 221Get this manual

2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 221

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WATER PUMP
CAUTION:
Never lubricate the water pump seal surface with oil or greaseNOTE: Install the water pump seal with the special toolsMechanical seal installer 3: PNYM-33221, 90890-040