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Yamaha F115A - Page 46

Yamaha F115A
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2-5
SPEC
E
MAINTENANCE SPECIFICATIONS
Guide inside diameter
Intake and exhaust mm (in) 6.005 - 6.018 (0.2364 - 0.2369)
Stem-to-guide clearance
Intake mm (in) 0.015 - 0.043 (0.0012 - 0.0011)
Exhaust mm (in) 0.030 - 0.058 (0.0018 - 0.0017)
Stem runout limit mm (in) 0.03 (0.001)
VALVE SPRINGS
Free length mm (in) 53.20 (2.094)
Minimum free length mm (in) 52.25 (2.057)
Tilt limit mm (in) 2.6 (0.10)
VALVE LIFTERS
Valve lifter outside diameter mm (in) 27.965 - 27.980 (1.1010 - 1.1016)
Valve-lifter-to-cylinder-head
clearance
mm (in) 0.020 - 0.056 (0.0008 - 0.0022)
VALVE PADS
Valve pad thickness
(in 0.025 mm increments)
mm (in) 2.000 - 3.300 (0.0787 - 0.1299)
CONNECTING RODS
Small-end inside diameter mm (in) 17.965 - 17.985 (0.7073 - 0.7081)
Big-end inside diameter mm (in) 45.025 - 45.045 (1.7726 - 1.7734)
Big-end oil clearance mm (in) 0.025 - 0.031 (0.0010 - 0.0012)
Big-end bearing thickness
Yellow mm (in) 1.502 - 1.508 (0.0591 - 0.0593)
Green mm (in) 1.508 - 1.514 (0.0593 - 0.0596)
Blue mm (in) 1.514 - 1.520 (0.0596 - 0.0598)
Red mm (in) 1.520 - 1.526 (0.0598 - 0.0601)
CRANKSHAFT
Crankshaft journal
Diameter mm (in) 47.984 - 48.000 (1.8891 - 1.8898)
Minimum diameter mm (in) 47.972 (1.8887)
Crankshaft pin
Diameter mm (in) 42.000 - 41.982 (1.6535 - 1.6528)
Runout limit mm (in) 0.03 (0.001)
Item Unit
Model
Worldwide F115AET FL115AET
USA F115TR LF115TR
Canada F115TR LF115TR

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