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Mercury 20 EFI FourStroke

Mercury 20 EFI FourStroke
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Cooling System Specifications
Parameter Specification
Thermostat
Start to open temperature 50–54 °C (122–129 °F)
Full open temperature 60–64 °C (140–147 °F)
Valve lift 4.0 mm (0.157 in.)
Water pressure at idle 9–18 kPa (1.3–2.6 psi)
Water pressure at WOT 59–118 kPa (8.6–17.2 psi)
Power Tilt Specifications
Parameter Specification
System fluid
Power Trim and Steering Fluid or
Automatic Transmission Fluid (ATF) (Type Dexron III)
Electric motor ‑ Maximum current draw 35 A
Gearcase Specifications
Parameter Specification
Gear ratio 2.15:1
Gearcase capacity 460 ml (15.6 fl oz)
Gear lubricant type Premium Gear Lubricant or GL5 SAE 80W‑90
Pinion teeth 13
Pinion height Floating
Clutch Dog type (forward–neutral–reverse)
Forward, reverse teeth 28
Forward gear backlash 0.8–1.5 mm (0.030–0.059 in.)
Specifications
Page 1A-6 © 2018 Mercury Marine 90-8M0125265 eng NOVEMBER 2017

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