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Grove Harbour Marine
2017 Yamaha Outboards Portable Four Stroke F2.5
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Overview
The sun just broke the horizon, but your day began hours ago-the second you started your trusty Yamaha Portable. Maybe you're skimming the marsh in a jon boat during duck season, pushing a sailboat 'til the wind kicks up or hopping to the cuddy on a tender. Wherever the day takes you, these nimble, lightweight, efficient portables are up for the ride. Available in a range of horsepower from the F20, to the F2.5, including the redesigned F8 with 7.5 percent more displacement, these 1- or 2-cylinder dynamos provide big performance in streamlined designs.

Standard Features
Convenience/Control
  • 360° Swivel Steering
  • Built-In Fuel Tank
  • Decompression Device
  • Dual Transom Clamps
  • F/N Shift
  • Multiple Gripping Points
  • Pilot Water Blocking Device
  • Split Bottom Cowling
  • Tilt Up Engine Stopping Device
Power/Performance
  • 2-Valves Per Cylinder
  • California C.A.R.B. Ultra Low Emissions 3 Star Rating
  • Compact Offset Crankshaft
  • Four Stroke Engine Design
  • Long Span Mounting System
  • Meets all current Federal EPA Emission Standards
  • Overhead Valve (OHV) Design
  • Precise Carburetor Setting
  • Rubber Dampened Tiller Handle
  • Short Stroke Engine Design
  • Streamlined Intake Manifold
Reliability/Durability
  • Cast Iron Camshaft
  • Phaze Five™ Paint System
  • Sacrificial Anodes
  • Splash Lubrication
  • Splined Prop Shaft
  • Stainless Steel Driveshaft, Prop Shaft, Shift Shaft and Steering Tube
  • TCI Ignition
  • Water Resistant Fuel Tank Cap
  • YDC Aluminum Alloy
Options
Specifications
Engine Specs
Engine TypeOne Cylinder
Displacement4.4 ci (72 cc)
Bore x Stroke54 x 31.5mm (2.13 x 1.24 in)
Prop Shaft Horsepower2.5 hp @ 5500 rpm
Compression Ratio8.8:1
RPM Range5250 ~ 5750 rpm
Fuel/Induction SystemOverhead Valve
ExhaustAbove Propeller
IntakeCarburetor
CoolingWater/Thermostatic Control
Ignition SystemTCI
Spark PlugCR6HSB-000-000
Starting SystemManual
Degree of Trim/Tilt4 positions / 79°
Oil Capacity0.35L(0.37qt)
Recommended Engine OilYamalube® 4M (See Owner's Manual)
Gear ShiftForward, Neutral
Gear Ratio2.01:1
Shaft LengthS=15", L=20"
Recommended FuelRegular Unleaded (Minimum Pump Octane 87)
Steering Angle (maximum)360° from center, either direction
WeightF2.5SMHB = 17kg (37 lbs), F2.5LMHB = 18kg (40 lbs)
CARB Rating3-Star
Warranty3 Year Limited Pleasure Boat - 1 Year Limited Commercial
Spec Weight7
Recommended Fuel FiltrationYamaha Mini 10-Micron Fuel/Water Separating Filter (external)
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