Yamaha F100D Service Manual

6D93G11
2-4
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2
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8
9
Oil ring
Dimension B mm (in) 2.38–2.48 (0.0937–0.0976)
Dimension T
(*)
mm (in) 2.40 (0.0945)
End gap mm (in) 0.20–0.70 (0.0079–0.0276)
Side clearance mm (in) 0.03–0.15 (0.0012–0.0059)
Camshafts
Intake (A) mm (in) 36.48–36.58 (1.4362–1.4402)
Exhaust (A) mm (in) 36.90–37.06 (1.4528–1.4591)
Intake (B) mm (in) 29.95–30.05 (1.1791–1.1831)
Exhaust (B) mm (in) 29.92–30.08 (1.1780–1.1842)
Camshaft journal diameter mm (in) 24.960–24.980 (0.9827–0.9835)
Camshaft runout limit mm (in) 0.03 (0.0012)
Valves
Valve clearance (cold)
Intake mm (in) 0.20
±
0.03 (0.008
±
0.001)
Exhaust mm (in) 0.34
±
0.03 (0.013
±
0.001)
Head diameter (A)
Intake mm (in) 29.0–29.2 (1.14–1.15)
Exhaust mm (in) 24.0–24.2 (0.94–0.95)
Face width (B)
Intake mm (in) 1.99–2.44 (0.0783–0.0961)
Exhaust mm (in) 2.27–2.72 (0.0894–0.1071)
Seat contact width (C)
Intake mm (in) 1.20–1.60 (0.0472–0.0630)
Exhaust mm (in) 1.20–1.60 (0.0472–0.0630)
Margin thickness (D)
Intake mm (in) 0.80–1.20 (0.0315–0.0472)
Exhaust mm (in) 1.00–1.40 (0.0394–0.0551)
Stem diameter
Intake mm (in) 5.975–5.990 (0.2352–0.2358)
Exhaust mm (in) 5.960–5.975 (0.2346–0.2352)
Guide inside diameter
Intake and exhaust mm (in) 6.000–6.018 (0.2362–0.2369)
Stem-to-guide clearance
Intake mm (in) 0.010–0.043 (0.0004–0.0017)
Exhaust mm (in) 0.025–0.058 (0.0010–0.0023)
Stem runout limit mm (in) 0.01 (0.0004)
Valve springs
Free length mm (in) 53.20 (2.0945)
Tilt limit mm (in) 2.6 (0.10)
(*)
The figure is for reference only.
Item Unit
Model
F80BET F100DET
Maintenance specification

Yamaha F100D Specifications

General

Brand	Yamaha
Model	F100D
Category	Outboard Motor
Language	English