2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 153Get this manual

2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 153

Timing belt and sprockets 5Remove the nut CD, retaining platesdrive sprocketand Woodruff key )
Installing the timing belt and sprockets
1Check that the "1" mark on the driven sprocket CD is aligned with the ",A" markon the cylinder head, and then tighten the bolt
S62Y5180

2S62Y5155

Install the retaining plateWoodruff keydrive sprocketretaining plateand nutand then tighten the nut