Original price was: $4,940.00.$2,470.00Current price is: $2,470.00.
30 HP four-stroke, 500cc inline three-cylinder engine
15″ short shaft with multi-function tiller
Electronic Fuel Injection (EFI) for reliable starts
Lightweight at 128 lbs with low-vibration mounts
3.2-gallon external fuel tank
Corrosion-resistant for freshwater/saltwater use
Manual start with decompression system
Adjustable throttle and steering tension
The Mercury 30MHGA is a compact, lightweight four-stroke outboard motor designed for small boats such as jon boats, skiffs, inflatables, and small fishing vessels up to 16-18 feet. Featuring a 15-inch short shaft, it weighs 128 lbs, making it one of the lightest in its 30 HP class. The 500cc (30.5 cubic inch) inline three-cylinder engine with Electronic Fuel Injection (EFI) delivers strong low-end torque for quick planing and a full throttle range of 5000-6000 RPM. Its innovative multi-function tiller handle, adjustable 18 degrees port or starboard and reversible for left- or right-hand use, offers exceptional control and comfort. The motor features a 3.2-gallon external fuel tank, a manual start with decompression system for reliable ignition, and low-vibration wishbone mounts for smooth operation. Built for durability in freshwater and saltwater, it uses low-copper aluminum alloys, stainless steel components, and a multi-layered priming and painting process for superior corrosion resistance. With reliable starting, instant throttle response, and fuel efficiency, the 30MHGA is ideal for worry-free boating.
| Engine | 4-stroke, SOHC | Inline 3-cylinder | 500cc / 30.5 cu in | 30 HP @ 5000-6000 RPM | EFI, 4-valve | Digital CD ignition | Water-cooled |
| Shaft | 15″ short | Corrosion-resistant | 9.2″ x 10.1″ 3-blade prop | Shallow water drive | 16° trim range | Standard rotation | Salt/freshwater rated |
| Controls | Multi-function tiller | Manual start | Adjustable throttle | 18° tiller adjustment | Steering tension control | Safety lanyard | Engine alert system |
| Charging | 12 amps / 145 watts | Low-speed charging | Regulated charging | Supports electronics | Optional alternator | Maintenance-free | No battery required |
| Weight | 128 lbs / 58 kg | Lightweight design | Balanced weight | Portable for class | Minimal drag | Easy transport | Transom mount |
| Performance | 5000-6000 RPM range | Fuel-efficient | Low emissions | High torque | Quick acceleration | Quiet operation | Top speed 25-28 mph |
| Compatibility | 16-18 ft boats | Jon boats, skiffs | Inflatables | 3.2-gal external tank | Aluminum prop | Salt/freshwater rated | Tiller steer boats |
| Dimensions | 15″ shaft length | 16.2″ W | 39.8″ H | 26.1″ L | Corrosion-resistant | Transom mount | Manual tilt |
| Engine | 4-stroke, SOHC | Inline 3-cylinder | 500cc / 30.5 cu in | 30 HP @ 5000-6000 RPM | EFI, 4-valve | Digital CD ignition | Water-cooled |
| Shaft | 15″ short | Corrosion-resistant | 9.2″ x 10.1″ 3-blade prop | Shallow water drive | 16° trim range | Standard rotation | Salt/freshwater rated |
| Controls | Multi-function tiller | Manual start | Adjustable throttle | 18° tiller adjustment | Steering tension control | Safety lanyard | Engine alert system |
| Charging | 12 amps / 145 watts | Low-speed charging | Regulated charging | Supports electronics | Optional alternator | Maintenance-free | No battery required |
| Weight | 128 lbs / 58 kg | Lightweight design | Balanced weight | Portable for class | Minimal drag | Easy transport | Transom mount |
| Performance | 5000-6000 RPM range | Fuel-efficient | Low emissions | High torque | Quick acceleration | Quiet operation | Top speed 25-28 mph |
| Compatibility | 16-18 ft boats | Jon boats, skiffs | Inflatables | 3.2-gal external tank | Aluminum prop | Salt/freshwater rated | Tiller steer boats |
| Dimensions | 15″ shaft length | 16.2″ W | 39.8″ H | 26.1″ L | Corrosion-resistant | Transom mount | Manual tilt |
High-Performance Engine: 500cc inline three-cylinder engine with EFI and a 4-valve SOHC design provides strong torque, quick acceleration, and fuel efficiency for small to medium boats.
Innovative Tiller: Multi-function tiller adjusts 18 degrees port/starboard, offers reversible throttle grip rotation, and includes a stop button for ergonomic, ambidextrous control.
Lightweight Design: At 128 lbs, it’s among the lightest 30 HP outboards, enhancing portability and reducing drag on small vessels.
Reliable Starting: EFI and manual start system with decompression ensure easy ignition in all conditions, with instant throttle response for smooth operation.
Corrosion Resistance: Low-copper aluminum alloys, stainless steel water pump housing, zinc-coated passages, and sacrificial anodes ensure durability in harsh marine environments.
Smooth Operation: Wishbone mounts and tuned intake reduce vibration, while a through-propeller-hub exhaust minimizes noise for a comfortable ride.
Fuel Efficiency: EFI optimizes fuel delivery, paired with a 3.2-gallon external tank for extended range, using 87-octane fuel with up to 10% ethanol.
Safety Features: Engine alert system monitors low oil pressure, overheating, over-revving, and sensor failure, with a safety lanyard for emergency stops.
How Does Shipping Work and How Long Does It Take?
We understand how important it is for your new item to arrive safely and in perfect condition. We partner with professional carriers to ensure every order is handled with expert care from start to finish.
Order Processing & Shipping Times
Orders are processed and shipped within 2-5 business days (excluding weekends and holidays). All items are delivered within 10 business days from the date of shipment. As your delivery date nears, the shipper will contact you to coordinate a seamless drop-off.
Before ordering, please verify your shipping address to prevent delays. Your satisfaction is our priority, and we’re committed to making your shopping experience smooth and enjoyable. Have questions? Email us at sales@faa-marine.com—we’re here to help!
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8 reviews for Mercury 30hp EFI 15″ Shaft | 30MHGA
+ FREE GIFT
Yamaha who? The Mercury 30MHGA outperforms on my 15-foot utility boat. Battery-free EFI for hassle-free launches, instant response, and ultra-efficient burn—under 1.5 gallons for all-day trolling. Pushes 22 mph loaded, with torque that laughs at wind. Quiet operation makes it ideal for early mornings. At 145 lbs, handling is a breeze—5 stars
The 30MHGA is a beast on my 14-foot jon boat—145 lbs makes it easy to mount solo, and the short 15″ shaft is perfect for shallow rivers. Battery-free EFI starts on the first pull every time, even in 40-degree chill. Trolled for catfish all day on under 2 gallons, and it hits 22 mph with two guys and gear. Torque moves heavy loads like a dream. Quiet and smooth—Mercury’s best yet
Really digging the 30MHGA on my small aluminum skiff. The tiller adjusts perfectly for my stance, and EFI ensures crisp throttle response from idle. Great low-end torque for quick planing with gear, about 7 mpg at cruise. Runs whisper-quiet all day. Only minor issue is the manual tilt takes a bit more effort in mud, but performance-wise, it’s a winner.
This Mercury 30hp EFI is a powerhouse for my creek boat. Starts instantly with no fuss, and the inline-3 smoothness handles chop like butter. Trolled for hours at precise low speeds, sipping fuel efficiently. Hits 23 mph solo—impressive for the size. The 15″ shaft avoids snags in shallows, and at 145 lbs, it’s trailering gold. Zero vibes, all reliability!
This little EFI monster powers my work tender flawlessly. The 15″ shaft fits low-freeboard boats perfectly, and manual start with EFI is dead simple. Strong low-RPM torque for heavy gear, fuel sipping stretches every tank. Runs cool and quiet in brackish water. Lightweight and corrosion-tough—after 60 hours, still like new. Mercury nailed the portable 30hp!