Yamaha F115 AETL [46/709] Maintenance specifications

2-5

SPEC

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