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
Perfect fit for my pond pram—the 30MHGA’s compact design and short shaft shine in tight spots. EFI tech means foolproof starts in any weather, and torque gets me moving fast with family aboard. Fuel economy saves me trips to the pump, and it’s so quiet I can chat while cruising. Lightweight build for easy storage. Couldn’t ask for a better portable!
Upgraded to this 30hp EFI for my inflatable tender, and it’s transformed my setup. Manual start is effortless thanks to EFI, no battery bulk to worry about. The 500cc engine delivers punchy acceleration, pushing 20 mph loaded without strain. Fuel efficiency is stellar—full afternoon cruise on half a tank. Super quiet for stealthy fishing. At this weight, portability is unbeatable!
Installed the 30hp EFI on my bass dinghy, and the power is spot-on for 21 mph top end. Manual start is reliable, EFI optimizes fuel for long runs—trolled walleye on minimal gas. Great vibration dampening keeps it comfy. Slight con: gear lube changes could be simpler, but overall, durable and efficient. Solid choice for small craft.