2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 54Get this manual
Maintenance specifications USA Item Canada Worldwide Margin thickness (D) Intake Exhaust Stem diameter Intake Exhaust Guide inside diameter Intake and exhaust Stem-to-guide clearance Intake Exhaust Stem runout limit Valve springs Model T50TR T50TR FT50BET FT50CEHD FT50CED 0.6-1.0 (0.024-0.039) 0.7-1.1 (0.028-0.043) 5.48-5.49 (0.2157-0.2161) 5.46-5.47 (0.2150-0.2153) 5.50-5.51 (0.2165-0.2169) 0.01-0.03 (0.0004-0.0012) 0.03-0.05 (0.0012-0.0020) 0.03 (0.0012) 39.85 (1.569) 37.85 (1.490) 1.7 (0.07) 15.985-15.998 (0.6293-0.6298) 36.000-36.024 (1.4173-1.4183) 0.016-0.040 (0.0006-0.0015) 1.500-1.504 1.496-1.500 1.492-1.496 1.488-1.492 (0.0591-0.0592) (0.0589-0.0591) (0.0587-0.0589) (0.0586-0.0587)
FT50CET
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