- Home
- Featured Outboards Home Page
- 2025 Mercury 9.9 HP 9.9MH Outboard Motor
2025 Mercury 9.9 HP 9.9MH Outboard Motor
CA Customers:
Warning: Cancer and Reproductive Harm
www.P65Warnings.ca.gov
- Compact and Lightweight
- Digital CD Ignition with Spark Advance
- High Grade Marine Alloy Construction
- Stainless Steel Water Pump Housing
- Zinc Coated Water Passages
- Rated for Saltwater Use
- Sacrificial Zinc Anodes and Trim Tab
- Tiller Integrated F-N-R Gear Shifting
- Adjustable Steering Tension Control
- Twist-Grip Throttle with Tension Control
- Thermostat Controlled Water Cooling
- Auto Ratchet Trim System (5 positions)
- Shallow Water Drive
- Quiet Through-Propeller-Hub Exhaust
- 3.2 Gallon Fuel Tank and Fuel Line
- Start-In-Gear Protection
- Low Oil Pressure Warning Indicator
- ESG Over-Rev Protection
- Safety Lanyard Stop Switch
- Owner's Manual
- Mercury Marine 3-Year Warranty
MODEL | 1F10201BK |
---|---|
MODEL YEAR | 2025 |
SKU | 9.9MH-25 |
WEIGHT | 84.0 lb |
MANUFACTURER | Mercury |
COUNTRY OF MANUFACTURE | Japan |
HORSEPOWER | 9.9hp |
SHAFT LENGTH | 15" (Short) |
STEERING | Tiller |
STARTING | Manual |
TRIM & TILT | Manual |
FUEL DELIVERY | Carburetor |
FUEL TANK | External |
CYLINDER(S) | 2 |
DISPLACEMENT | 12.8 ci (208 cc) |
BORE AND STROKE | 2.16 x 1.73 in. (55 x 44 mm) |
FULL THROTTLE RPM RANGE | 5,000 - 6,000 |
IGNITION SYSTEM | CDI with electronic spark advance |
INDUCTION SCAVENGING | SOHC |
VALVES PER CYLINDER | 2 |
FUEL TYPE | 87 Octane (up to 10% ethanol content) |
FUEL TANK / FUEL LINE | 3.2 Gal. Fuel Tank + Quick Connect Fuel Line |
OIL TYPE | SAE 10W-30 (Mercury 4-Stroke Outboard Oil) |
OIL CAPACITY | 27 fl. Oz. (800 ml) |
LUBRICATION | Trochoid Pump |
ALTERNATOR | Optional 12V 76W 6A (installation required) |
COOLING SYSTEM | Water-cooled with thermostat |
SALTWATER RATED | Yes |
GEAR RATIO | 2.08:1 |
GEAR SHIFT | Forward-Neutral-Reverse (shift in tiller handle) |
PROPELLER | 8.5" Diameter X 8.0" Pitch 3-Blade Aluminum |
In The Box
- Fuel Tank (3.2 gallon)
- Quick Connect Fuel Line
- Mercury 3-Year Warranty
- Aluminum Propeller
- Mercury 4-Stroke Oil
- Owner's Manual & Tool Kit
![](https://cdn.shopify.com/s/files/1/2593/7250/files/shaft-length_6de9a5ae-e244-4302-9ac8-cbaa53c0facd.jpg?16828250215859882019)
Related Products
Suzuki 2.5 HP DF2.5S5 Outboard Motor
![Suzuki 2.5 HP DF2.5S5 Outboard Motor](http://onlineoutboards.com/cdn/shop/products/DF25BLK_1024x.png?v=1643642727)
Suzuki 2.5 HP DF2.5S5 Outboard Motor
$860.00 $1,120.00
Suzuki's 2.5hp model DF2.5S5 outboard motor is a perfect choice for square stern canoes, small tenders and inflatables as well as other small craft. At only 29 lbs, it's the lightest 4-stroke Suzuki outboard ever built.
Suzuki 2.5 HP DF2.5L5 Outboard Motor
![Suzuki 2.5 HP DF2.5L3 Outboard Motor](http://onlineoutboards.com/cdn/shop/products/DF25BLK_1_1024x.png?v=1648228946)
Suzuki 2.5 HP DF2.5L5 Outboard Motor
$880.00 $1,145.00
Suzuki's 2.5hp model DF2.5L5 outboard motor is a perfect choice for square stern canoes, small tenders and kicker applications as well as other small craft. At only 31 lbs, it's the lightest 4-stroke Suzuki long shaft model outboard ever built.
![Tohatsu 6 HP MFS6DWDS Outboard Motor](http://onlineoutboards.com/cdn/shop/files/Tohatsu6HPMFS6DWDS_1024x.png?v=1706295959)
2024 Tohatsu 6 HP MFS6DWDS Outboard Motor
$1,830.00
The brand new Beluga White 6hp Tohatsu outboard motor is the largest single-cylinder model available. The Tohatsu 6 HP model MFS6DWDS is equipped with the 15 inch short shaft, integral tank, and 3 gallon external tank with fuel line assembly. The new MFS6DWDS also comes equipped with the newly designed top and bottom cowls based on Tohatsu Desi...
Suzuki 6 HP DF6AS5 Outboard Motor
![Suzuki 6 HP DF6AS3 Outboard Motor](http://onlineoutboards.com/cdn/shop/products/DF6AS_Tiller_Black_Diagonal_2021_57633312-5fb5-4ca4-b997-bb90acdc1f8d_1024x.jpg?v=1643642785)
Suzuki 6 HP DF6AS5 Outboard Motor
$1,490.00 $2,070.00
If you're in search of lightweight portable power, the 52 lb. Suzuki 6hp outboard motor model DF6AS5 is an excellent choice for jon boats, skiffs, tenders and small to medium sized inflatables. The 6hp Suzuki engine with a 15 inch shaft offers the largest displacement of any one cylinder outboard in this hp and weight class. The 6hp Suzuki outbo...
2025 HONDA 2.3 HP BF2.3DHSCH Outboard Motor
![2021 HONDA 2.3 HP BF2.3DHSCH Outboard Motor](http://onlineoutboards.com/cdn/shop/products/honda_2-3_hp_20c3691b-ab7b-455c-85bc-1a65f5836694_1024x.jpg?v=1643642642)
2025 HONDA 2.3 HP BF2.3DHSCH Outboard Motor
$1,026.00 $1,197.00
The best things come in small packages. And that's especially true with Honda's BF2.3, one of the world's lightest four-stroke outboards. The BF2.3 is so light, it rivals many two-stroke 2HP engines and electric motors, without the battery! But just because it's lightweight doesn't mean we cut back on the power. The BF2.3 features 15% more powe...
![Tohatsu 6 HP MFS6DWSPROUL SAIL PRO Outboard Motor](http://onlineoutboards.com/cdn/shop/files/Tohatsu6HPMFS6DWSPROUL_8ace98a9-ad99-4603-bc36-c7bf16cdce69_1024x.png?v=1706296039)
2024 Tohatsu 6 HP MFS6DWDSPROUL SAIL PRO Outboard Motor
$2,120.00
The all new Beluga White 6 hp Tohatsu outboard motor model MFS6DWDSPROUL is the largest single-cylinder model available and comes equipped with the 25 inch extra long shaft, high thrust prop and 12V alternator for charging a battery. The new MFS6DWDSPROUL Sail Pro includes both an internal tank and external tank, and also comes equipped with th...
Suzuki 20 HP DF20AS5 Outboard Motor
![Suzuki 20 HP DF20AS5 Outboard Motor](http://onlineoutboards.com/cdn/shop/products/DF20_Tiller_Black_from2022_2829c43c-a8a4-46f6-9250-9a53a87381e6_1024x.jpg?v=1646931299)
Suzuki 20 HP DF20AS5 Outboard Motor
$2,820.00 $3,930.00
Suzuki's all new fuel efficient 20hp EFI model DF20AS5 four-stroke outboard with the manual rope start and 15 inch shaft is an affordable choice of power for medium to larger sized jon boats, skiffs, and inflatable boats.. As the lightest outboard in its class and one of the quietest 4-strokes ever built, the Suzuki 20hp outboard motor is a grea...
Suzuki 20 HP DF20AES5 Outboard Motor
![Suzuki 20 HP DF20AES5 Outboard Motor](http://onlineoutboards.com/cdn/shop/products/DF20_Tiller_Black_from2022_05a4189e-6672-4a74-b31b-bf135e99e36e_1024x.jpg?v=1646931275)
Suzuki 20 HP DF20AES5 Outboard Motor
$3,090.00
The convenience of a push button start outboard motor combined with the powerful, yet quiet Suzuki marine engineering makes the Suzuki 20 HP EFI outboard motor model # DF20AES5 the affordable and perfect choice for your larger size skiffs, jon boats and inflatable boats. Equipped with a 15 inch shaft, electric start and tiller steering, the Suzu...
![2021 HONDA 2.3 HP BF2.3DHLCH Outboard Motor](http://onlineoutboards.com/cdn/shop/products/honda_2-3_hp_1024x.jpg?v=1643642639)
2025 HONDA 2.3 HP BF2.3DHLCH Outboard Motor
$1,049.00
Only Honda manufactures a 2.3 HP outboard with a 20 inch long shaft, and that is only the beginning of what makes this 2.3 HP outboard special. The Honda 2.3HP BF2.3DHLCH features more power over it's predecessor, plus a 12% larger internal gas tank allows for about an hour more of operation on the water in full throttle! Known for durability an...
Suzuki 6 HP DF6ASW5 Outboard Motor
![Suzuki 6 HP DF6ASW3 Outboard Motor](http://onlineoutboards.com/cdn/shop/products/DF6AS_Tiller_White_Diagonal_2021_818e7b22-a7a0-4a6a-9be6-dce5ed90321b_1024x.jpg?v=1643643996)
Suzuki 6 HP DF6ASW5 Outboard Motor
$1,530.00 $2,130.00
If you're in search of lightweight portable power, the 52 lb. Suzuki 6hp outboard motor model DF6ASW5 is an excellent choice for jon boats, skiffs, tenders and small to medium sized inflatables. The all new Super Cool White 6hp Suzuki engine with a 15 inch shaft offers the largest displacement of any one cylinder outboard in this hp and weight c...
2025 HONDA 5 HP BF5DHSHNA Outboard Motor
![HONDA 5 HP BF5DHSHNA Outboard Motor](http://onlineoutboards.com/cdn/shop/products/honda_5_hp_b95ef90c-47e3-4aad-b6ad-6063a33abba4_1024x.jpg?v=1643642665)
2025 HONDA 5 HP BF5DHSHNA Outboard Motor
$1,573.00 $1,835.00
Quiet, dependable, lightweight - this is exactly what you want in a portable outboard. The BF5D is incredibly lightweight and compact. It's easy to transport and ideal for small tenders, canoes, and jon boats. And with features designed to make your boat ride smooth, quiet, and Honda dependable, you'll be ready to enjoy a day on the water for ye...
2024 Tohatsu 20 HP MFS20ES Outboard Motor
![20 HP MFS20ES Tohatsu Outboard Motors](http://onlineoutboards.com/cdn/shop/products/tohatsu_20_hp_5530654d-08f1-46a1-ad6d-e2298796256d_1024x.jpg?v=1643642860)
2024 Tohatsu 20 HP MFS20ES Outboard Motor
$3,240.00 $3,747.00
The Tohatsu 20 HP EFI outboard motor, Model #MFS20ES, with the 15 inch short shaft, tiller steering and manual rope start is both affordable and perfect for larger sized aluminum boats, jon boats, skiff or larger inflatable boats. Based on dependability and efficiency, Tohatsu™s 20 HP outboard was named as top choice in the 20 HP outboard motor ...