Type:     Outboard Motor
Year:     Current
Model:     F90 HP
Model Number:     F90XA
Series:     Four Stroke Midrange
HP:     90
Engine Type:     4 Cylinder
Displacement:     97 ci (1596 cc)
Borex Stroke:     79 x 81.4 mm (3.11 x 3.20in)
Prop Shaft Horsepower:     90 @ 5500 RPM
Compression Ratio:     9.6
RPM Range:     5000-6000
Fuel Induction System:     EFI (DOHC)
Fuel Type:     Unleaded gasoline (minimum pump octane 87)
Exhaust:     Thru prop
Ignition System:     TCI Micro Computer
CARB Rating:     3-Star
Alternator Outputat WOT:     25A
Starting System:     Electric
Lubrication:     Wet Sump
Oil Capacity:     4.5 quarts
Recommended Engine Oil:     Yamalube 4M
Gear Ratio:     2.31
Control Type:     Remote
Trolling Throttle Adjustment:     +/- 50 RPM increments (600 - 1000 RPM range) via Command Link System
Cooling:     Water, Thermostatic Control
Weight:     380 lb (172 kg)
Gear Shift:     F-N-R
Command Link System:     Optional Equipment
Enhanced Ultimate Corrosion Protection System UCP:     Standard Feature
Power Trim and Tilt:     Yes
Shaft Length:     25 inch
Gearcase Rotation:     Right Hand (Standard)
Propeller:     Optional Equipment
Tiller Handle Kit:     Optional
Freshwater Flush:     Yes