2025 Yamaha Portables 9.9 HP
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Brown's Auto & Marine | Newport, NH
Yamaha Marine Portable Outboards – 2025 9.9 HP
Lightweight Power for Small Vessels
- Two‑cylinder, SOHC inline engine with a single carburetor and CDI microcomputer ignition.
- Only 111 lb (15” shaft model) – perfect for aluminum fishing boats, tenders and inflatables.
- Available in both 15" and 20" shaft lengths to match your craft’s ...
Yamaha Marine Portable Outboards – 2025 9.9 HP
Lightweight Power for Small Vessels
- Two‑cylinder, SOHC inline engine with a single carburetor and CDI microcomputer ignition.
- Only 111 lb (15” shaft model) – perfect for aluminum fishing boats, tenders and inflatables.
- Available in both 15" and 20" shaft lengths to match your craft’s needs.
Fuel Efficiency & Performance
The engine delivers a full RPM range of 5 000–6 000 rpm, producing 9.9 hp at 5 500 rpm while keeping fuel consumption low in its class.
Key Specifications
- Engine type: Two‑cycle, inline
- Bore & stroke: 2.20" × 1.70"
- Cylinder displacement: 212 cc
- Compression ratio: 9.4:1
- Tiller control: Available for precise steering (maximum angle 43°)
- Exhaust path: Through propeller
- Starter system: Electric and manual options
- Alternator output: Up to 10 amps for reliable charging
- Fuel compatibility: Supports up to 10% ethanol blend, recommended octane 87 fuel
- Oil capacity: 0.8 L (approximately)
- Weight range: 87–93 lb depending on shaft length
Durability & Warranty
The Yamaha Marine Portable Outboard comes with a limited warranty: three years for pleasure use, three years for government service and one year for commercial applications.
| Condition | NEW | |
| Stock Number | 6AUKS-1094542 | |
| Year | 2025 | |
| Make | Yamaha Marine | |
| Model | Portables 9.9 HP | |
| Vehicle Type | Outboard | |
| Category | Portable | |
| VIN | 6AUKS-1094542 | |
| Engine | F9.9 SMHB2 | |
| Type/Use | F9.9 SMHB2 | |
| Propulsion Type | Powered |
| Engine | |
| Engine Type | 2 cyl |
| Engine Power | Prop Shaft: 9.9hp @ 5500rpm |
| Displacement | 212cc |
| Bore | 2.20 in (56 mm) |
| Stroke | 1.70 in. (43 mm) |
| Compression Ratio | 9.4:1 |
| Throttle | Full RPM Range: 5000 ~ 6000 rpm |
| Steering | Tiller | Angle (maximum): 43° from center, either direction |
| Exhaust | Through Propeller |
| Ignition | CDI Microcomputer |
| Oil Type | Recommended: Yamalube® 4M (See owner's manual) |
| Lubrication | Wet Sump |
| Cooling | Recommended: Thermostatic Control |
| Gear Ratio (Primary) | 2.08:1 |
| Gear Shifter | Forward, Neutral, Reverse |
| Induction | Carb |
| Spark Plug | |
| Spark Plug | BR6HS-10 |
| Electric | |
| Starter | System: Electric & Manual |
| Alternator Output, Maximum | Output at W.O.T.: 6 Amp |
| Fuel System | |
| Fuel System | Ethanol Blend Limit: 10% Maximum |
| Fuel Type | Recommended: Octane 87 | Recommended Filtration: Yamaha 10-Micron Fuel/Water Separating Filter (external) |
| Dimensions | |
| Length | Shaft: 15" - 20" |
| Dimensions | Degree of Tilt: 71° | Degree of Trim: -4° through +16° |
| Capacities | |
| Oil capacity | 0.8L |
| Weights | |
| Weight | 87 lbs (39 kg) - 93 lbs (42 kg) |
| Features | |
| Features | Intake: 4 | C.A.R.B. Rating: 3-Star |
| Warranty | |
| Warranty | Limited 3-year Pleasure, 3-year Government, 1-Year Commercial |
| Engine Power | Prop Shaft: 9.9hp @ 5500rpm |
Our 362-cc 15-hp portable features a SOHC in-line, two-cylinder design. Its single carburetor and CDI Microcomputer Ignition System make it one of the most fuel-efficient in its class. At just 111 pounds, it’s suitable for lightweight craft such as aluminum fishing boats, tenders and inflatables.
Features may include:
Available for tiller-handle control
Only 111 pounds (15” shaft model)
Available in 15” and 20” shaft lengths
Powerful 10-amp alternator
Estimate Payments
Payment calculations are just estimates. Rates and terms vary day to day. Not an agreement, informational purposes only. Contact dealer for current rates, terms, and payment plans, etc.
Advertised pricing excludes applicable taxes title and licensing and are subject to change without notice. Pricing may exclude any added parts, accessories or installation unless otherwise noted. Sale prices include all applicable offers. Not all options listed available on pre-owned models. Contact dealer for details.
