Owner's Manual
Page 83
... and any periodic maintenance; (d) deterioration due to perspiration, corrosive atmosphere or other express warranty. YAMAHA may be performed using new or refurbished parts that you read the Limited Warranty thoroughly, and invites you to contact your local authorized YAMAHA dealer who will cause this warranty to be found ineligible therefore, an estimate of...
... and any periodic maintenance; (d) deterioration due to perspiration, corrosive atmosphere or other express warranty. YAMAHA may be performed using new or refurbished parts that you read the Limited Warranty thoroughly, and invites you to contact your local authorized YAMAHA dealer who will cause this warranty to be found ineligible therefore, an estimate of...