Yamaha F9.9 and F8 Portable Outboards

Name: Yamaha F9.9 and F8 Portable Outboards
Brand: Yamaha Outboards

Yamaha 9.9 hp and 8 hp portable four-stroke outboards: 212 cc two-cylinder SOHC, 39–42 kg, 15/20 in. shafts (25 in. on T9.9 high-thrust), for tenders, jon boats, inflatables and as fishing-boat kickers.

Description

Yamaha's F9.9 and F8 portable outboards are lightweight 212 cc four-stroke engines for tenders, jon boats and inflatables, and serve as kickers on fishing boats. The 9.9 hp is also offered as the high-thrust T9.9, with a 25 in. shaft option and optional V MAX SHO-style sport cowling.

Key features

Two-cylinder SOHC platform with streamlined intake manifold and intake silencer
Acceleration pump for responsive throttle advance
CDI microcomputer ignition adjusting timing to throttle, speed and atmospheric conditions
Short tiller handle; manual or electric start (F9.9)
Built-in carrying handles, resting pads and oil retention for on-side storage
Shallow Water Drive standard on tiller models
6 A alternator; compatible with Siren Marine monitoring
Available in Yamaha gray or pearlescent white

Technical data (F9.9)

Displacement: 212 cc; bore x stroke 56 x 43 mm; compression 9.4:1
Output: 9.9 hp at 5500 rpm; full-throttle range 5000–6000 rpm
Weight: 39–42 kg (87–93 lb)
Fuel: carburettor, 87 octane, max. 10% ethanol; 10-micron fuel/water separating filter
Gear ratio 2.08:1; F-N-R shift; exhaust through propeller
Shaft lengths: 15 in. and 20 in. (25 in. T9.9 only)
Tilt 71°, trim -4° to +16°, steering 43° each side
C.A.R.B. 3-star rating
Warranty: 3-year pleasure, 3-year government, 1-year commercial

Specifications

Weight †	39 kg (87 lbs) - 42 kg (93 lbs)
Full Throttle RPM Range	5000 ~ 6000
Fuel Induction System	Carb
Recommended Engine Oil	Yamalube® 4M (See owner's manual)
Engine Type	2 cyl
Displacement	212cc
Bore x Stroke	56 x 43mm (2.20 x 1.70 in.)
Prop Shaft Horsepower	9.9hp @ 5500rpm
Alternator Output at W.O.T.	6
Compression Ratio	9.4:1
Recommended Fuel	Octane 87
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
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°
Mounting Centers	N/A
Steering Angle (maximum)	43° from center, either direction
Warranty	Limited 3-Year Pleasure, 3-Year Government, 1-Year Commercial

CENTA Flexible Coupling Service by Everllence PrimeServ

Authorized service for CENTA flexible couplings on four-stroke engines: periodic inspection, rubber element replacement, original spare kits, alignment checks and resilient mounting replacement.

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