Yamaha › Valve Stem Seal; Mercury/Mariner/Suzuki/Yamaha 2.5-350 Hp/350/450 /1000-1200 1800/1900 Image 1 of 1 Valve Stem Seal; Mercury/Mariner/Suzuki/Yamaha 2.5-350 Hp/350/450 /1000-1200 1800/1900 $4.09 Add To Cart Added! You Might Also Like Bearing Housing Snap Ring; Yamaha 650-1300 1990-2017 $2.68 Thrust Washer; Yamaha 1800 2009-2018 $47.79 Seal, Valve Stem, Intake; Yamaha 1000/1100 2002-2015 $2.52 Valve Guide, Intake; Yamaha 1000-1100 2002-2026 $15.80 Throttle Cable; Yamaha 1800/1900 190/195 FSH 2016-2026 $87.66