New Yamaha Portable F9.9 9.9HP 4 Stroke Outboard Engine
Our 212-cc 9.9-hp portable is an impressive little outboard with a new, shorter tiller handle for increased comfort and the option of manual or electric start. The F9.9 platform is so popular, we also offer it in a high-thrust T9.9 format. The high-thrust model offers the option of a 25-inch shaft and a V MAX SHO® sport cowl when used as a kicker on a multi-species boat.
Available for remote mechanical or tiller-handle control
Only 87 pounds
Available in 15” and 20” and 25” (T9.9 only) shaft lengths
Solid 6-amp alternator
SPECS : New Yamaha Portable F9.9 9.9HP 4 Stroke Outboard Engine
Engine Type 2 cyl
Displacement 212cc
Bore x Stroke 56 x 43mm (2.20 x 1.70 in.)
Prop Shaft Horsepower 9.9hp @ 5500rpm
Full Throttle RPM Range 5000 ~ 6000
Alternator Output at W.O.T. 6
Compression Ratio 9.4:1
Fuel Induction System Carb
Weight † 39 kg (87 lbs) – 42 kg (93 lbs)
Recommended Fuel Octane 87
Recommended Engine Oil Yamalube® 4M (See owner’s manual)
Recommended Fuel Filtration Yamaha 10-Micron Fuel/Water Separating Filter (external)
C.A.R.B. Rating 3-Star
Exhaust Through Propeller
Intake 4
Ignition CDI Microcomputer
Spark Plug BR6HS-10
Alternator Output 6
Starting System Electric & Manual
Lubrication Wet Sump
Engine Oil Capacity 0.8L
Recommended Cooling Thermostatic Control
Ethanol Blend Limit 10% Maximum
Gear Ratio 2.08:1
Gear Shift Forward, Neutral, Reverse
Shaft Length 15″ – 20″
Degree of Tilt 71°
Degree of Trim -4° through 16°
Dry Weight 15″ shaft / 39 kg (87 lbs), 20″ shaft / 42 kg (93 lbs)
Mounting Centers N/A
Steering Angle (maximum) 43° from center, either direction
Warranty Limited 3-Year Pleasure, 3-Year Government, 1-Year Commercial
The Yamaha Portable F9.9 outboard is a 212cc, twin-cylinder, 4-stroke motor designed to deliver reliable power, high fuel efficiency, and maximum portability for small boats, tenders, and inflatables. This latest model offers increased comfort thanks to updated controls and ease of transportation.
- Engine Type: 4-Stroke, SOHC, 2-cylinder
- Displacement: \(212 \text{ cm}^3\)
- Shaft Length Options: Available in 15-inch (Standard) and 20-inch (Long) configurations
- Starting: Available in Manual (Tiller) or Electric start configurations
- Steering/Control: Features an ergonomic, fold-in tiller handle with large, easy-to-use knobs and an auto-decompression device for effortless pull starting
- Portability: Built-in front carry handles and resting pads allow the outboard to be stored flat on its back or sides without leaking












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