Marine Engines & OBM — Litmus Marine

Overview

Marine Outboard Motors (OBM) & Engines

Litmus Marine Innovation Pvt. Ltd. is supplier of various leading Outboard Motor (OBM) brands, including Parsun, Mercury, Tohatsu, Suzuki, Yamaha & Electric OBM Brands.

We offer a wide range of OBM models across different horsepower, engine configurations, and applications, enabling us to provide suitable solutions as per the specific requirements of our clients.

With multiple brands and model options available, Litmus Marine can recommend and supply the appropriate OBM based on the boat size, passenger capacity, operating conditions, required speed, fuel efficiency, and client specifications.

Our OBM range caters to various applications, including

Rescue & emergency boats
Passenger boats
Water sports & recreational boats
Fishing boats
Patrol & utility boats
Government & institutional requirements
Commercial marine applications

The Range

Marine Engines & OBM Range

11 models — every one built for commercial dependability.

Parsun

Parsun Four-Stroke Outboards (2.6–300 HP)

PARSUN's official product range includes four-stroke gasoline outboards from 2.6 HP to 300 HP, with separate two-stroke, diesel and electric ranges — from portable engines to high-power commercial outboards.

Key Features

2.6–6 HP (F2.6 / F4 / F5 / F6) — compact portable 4-stroke for small tenders, dinghies and fishing
8–9.9 HP (F8 / F9.8 / F9.9) — portable, tiller or remote variants for tenders and small workboats
15–20 HP (F15 / F15A / F20 / F20A) — higher load capacity for rescue, utility and recreational boats
30–60 HP (F30 / F40 / F50 / F60) — mid-range multi-cylinder options for workboats, rescue and fishing craft
85–130 HP (F85 / F90 / F115 / F130) — EFI on selected models; electric start, trim and tilt options
200–300 HP — high-output multi-cylinder engines for heavy-load and larger boats

Selected Specifications

F2.6	2.6 HP / 1.9 kW · 72 cc · manual start, tiller · 17–18 kg
F9.9	9.9 HP / 7.3 kW · 323 cc · electric/manual start, tiller or remote · 49–53 kg
F115	115 HP / 84.6 kW · 1,832 cc · electric start, remote control · 181–185 kg
Note	Weights vary by shaft length and configuration — confirm the exact model datasheet before quotation or tender submission

Other Parsun Ranges

Two-Stroke Outboards	2–90 HP — separate two-stroke product family
Diesel Outboards	150–200 HP — commercial-duty diesel range
Electric Outboards	JOY 1.2–6.0 kW — zero-emission, quiet propulsion

Mercury

Mercury Verado (250–600 HP)

The premium flagship series offering uncompromised power, smooth operation, and ultra-quiet V8, V10 and V12 performance.

Technical Specifications

Horsepower Range	250 HP – 600 HP
Engine Configurations	4.6L V8, 5.7L V10, 7.6L V12
Key Technologies	Advanced Midsection (AMS), Joystick Piloting, Digital Throttle & Shift (DTS)
Ideal For	Offshore center consoles, luxury pontoon boats, multi-engine sport boats

Mercury

Mercury Pro XS (115–300 HP)

Engineered for speed, acceleration and competitive tournament performance — for anglers and boating enthusiasts who demand maximum performance.

Technical Specifications

Horsepower Range	115 HP – 300 HP
Engine Configurations	2.1L Inline-4, 3.0L V6, 4.6L V8
Key Technologies	Transient Spark Technology, TorqueMaster Gearcase, Lightweight Design
Ideal For	Bass boats, runabouts, bay boats, and multi-species fishing boats

Mercury

Mercury FourStroke (2.5–300 HP)

The versatile powerhouse lineup engineered for exceptional fuel efficiency, easy maintenance, and all-around marine applications.

Technical Specifications

Horsepower Range	2.5 HP – 300 HP
Engine Configurations	Single-cylinder portable to 3.4L V6 and 4.6L V8
Key Technologies	Advanced Fuel Injection (EFI), SmartCraft Integration, Maintenance-free valve train
Ideal For	Inflatables, aluminium fishing boats, pontoons, deck boats, and utility craft

Mercury

Mercury SeaPro Commercial (15–500 HP)

Built tough for commercial operators, workboats and heavy-duty marine use with high-durability components.

Technical Specifications

Horsepower Range	15 HP – 500 HP
Engine Configurations	Inline-2, Inline-4, V6, V8, V10
Key Technologies	Heavy-duty gearcases, commercial calibration, enhanced corrosion protection
Ideal For	Commercial fishing, water taxis, law enforcement, workboats

Tohatsu Jet OBMs

Dtorque 50

MARINE Dtorque 50 The Dtorque has been engineered from scratch, utilising innovative new technologies to deliver optimum performance even in the most challenging environments. With full compliance with EU RDC Stage I| regulations, the Dtorque 50 is a low emissions outboard engine. Besides using on average 40% less fuel than equivalent gasoline outboards, a huge advantage to running a Neander Dtorque 50 is the ability to access low emissions zones. Dtorque 50 - Characteristics:

Key Features

Dual Crankshaft Design: The patented dual crankshaft design eliminates the rolling moment and most of the inertia forces and thus strong vibrations typically found in conventional dieselengines.
Automatic Thermomangement: The Automatic Thermo-Management System manages engine temperatures and further reduces the risk of engine downtime due to overheating.
Aluminium Cylinder Block: The cylinder block of the engine is an Aluminium design. A closed deck with pressed-in dry cast iron cylinder sleeves, this feature optimises serviceability and protection.
Bosch Common Rail Fuel System: The Bosch Common Rail fuel system enables quick and direct injection of fuel into the engine cylinders. The system delivers greater power and efficiency whilstminimising generation of noise, vibration and smoke.
Optimised Oil Cooling: Our lower unit features a unique oil cooling system. Within the oil pan, wehave included internal fins. This helps us optimise the oil cooling process. torage L0 DIESEL

Tohatsu Jet OBMs

25 HP JET OBM

LITMUS MARINE Tohatsu has a very special offering of Jet OBM for Shallow Waters. Jet OBM is very useful for waterbodies with less depth, water with aquatic plants, water with rocks. Because of No Propeller in Jet OBM, you need Not Worry of the Propeller getting damaged!!! Benefits of Tohatsu Jet Outboards

Key Features

Tohatsu Jet OBMs are world famous for their reliability, terrific-horsepower-to-weight ratios and top-of-the-line performances!
The OBM will give you performance and reliability for your long days of boating pleasure
Excellent reliability with proven 2-stroke technology
No worries of Propeller getting damaged. Simple in design Fundamentals for user convenience and reliability
Thermostatically controlled cooling system for consistent engine temperature
Stainless steel water pump housing for outstanding durability
High grade marine aluminum alloy that provides the ultimate protection against corrosion
Zinc coating on internal water passages for superior corrosion resistance Protection
Safety lanyard (an essential protection feature standard on all Thatsu outboards)
Start-in-gear protection for safer engine starting TOHATSU Jo Drive TOHATBU KLAMATH

Tohatsu Petrol OBMs

EverRun OBMs

LITMUS MARINE (15 HP-50 HP) EverRun: As the name suggests, EverRun OBMs are for someone who wants to run OBM for Ever. Tohatsu OBMs are manufactured exclusively in Japan and dis- tributed worldwide through their dealers. These EverRun models are the best choice for the commercial fisherman and of course for the pleasure boaters as well.The Advantage of Ever Run Models: RUN FARTHER, FASTER, ECONOMICAL AND MORE POWER Benefits of Tohatsu 2 Stroke Outboards

Key Features

Tohatsu 2-strokes are world famous for their reliability, terrific-horsepower-to-weight ratios and top-of-the-line performances!
In-line 3-cylinder outboard provides all of the extra features you want and need without compro-
mising Tohatsu's well-known quality
The OBM will give you performance and reliability for your long days of boating pleasure
Fuel & Oil Automixing for optimum lubrication Fundamentals for user convenience and reliability
Through-the-prop exhaust for a quiet ride
Thermostatically controlled cooling system for consistent engine temperature
Stainless steel water pump housing for outstanding durability
High grade marine aluminum alloy that provides the ultimate protection against corrosion
Zinc coating on internal water passages for superior corrosion resistance
Tachometer and trim meter*
Aluminum propeller
Adopted;
Low compression ratio cylinder head
Loose Needle Bearing
Chrome Plated Half Key-Stone Top Piston Ring to increase durability
Maintenance parts kit is included inside the engine carton box TOHATSU

Tohatsu Petrol OBMs

Four Stroke OBMs

(2.5 HP-250 HP) LITMUS MARINE Why Tohatsu Outboards? Tohatsu OBMs are manufactured exclusively in Japan and distributed

Key Features

Tohatsu 4-strokes are world famous for their reliability, terrific-horsepower-to-weight worldwide through their dealers. Tohatsu OBMs are currently the most ratios and top-of-the-line performances! preferred choice of OBMs in India. Especially Departments like NDRF, • Tohatsu outboard provides all of the extra features you want and need without SDRF, CWC, Forest, Fire & Rescue Departments are of the opinion that compromising Tohatsu's well-known quality Tohatsu OBMs are the Best.
The OBM will give you performance and reliability for your long days of boating The 4 Stroke Range offered by Tohatsu is from 2.5 HP to 250 HP pleasure Tohatsu 2-Stroke Benefits:
Sleek design with two color options: Aqua Marine Blue and Beluga White in TORATSU Selected Models ITSU Z Tsu 15/ sU
Outstanding fuel economy 90 LATSU LATSL
Lightest OBMs
Available in short (15"), long (20") & ultra-long (25") shaft lengths
Ultra-low 3 star CARB emission approved Easy operation and handling
Electronic Fuel Injection
Digital CD ignition system for quicker starts
High output amp alternator
New and improved gear case with lower gear ratio for increased low end torque
Adjustable steering friction and trim tab for reducing steering effort
Power trim & tilt Fundamentals for user convenience and reliability
Through the prop exhaust for a quieter ride
Built-in freshwater flushing system for easy routine flushing
A camshaft-driven trochoid oil pump ensures long-term durability of critical engine components
Stainless steel water pump housing liner for outstanding durability Warning and protection
Low oil pressure warning (visual and audible)
Overheat warning (visual and audible)
Battery voltage warning (visual only)
Start-in-gear protection for safer engine starting
Safety lanyard (an essential protection feature standard on all Tohatsu outboards) Over-rev. limiter

Tohatsu Petrol OBMs

Two Stroke OBMs

(2.5 HP-50 HP) LITMUS MARINE Tohatsu OBMs are manufactured exclusively in Japan and distributed worldwide through their dealers. Tohatsu OBMs are currently the most preferred choice of OBs in India. Especially Departments like NDRF, SDRF, CWC, Forest, Fire & Rescue Departments are of the opinion that Tohatsu OBMs are the Best. The 2 Stroke Range offered by Tohatsu is from 2.5 HP to 50 HP Benefits of Tohatsu 2 Stroke Outboards

Key Features

Tohatsu 2-strokes are world famous for their reliability, terrific-horsepower-to-weight ratios and top-of-the-line performances!
In-line 3-cylinder outboard provides all of the extra features you want and need without compromising Tohatsu's well-known quality
The OBM will give you performance and reliability for your long days of boating pleasure
Fuel & Oil Automixing for optimum lubrication Fundamentals for user convenience and reliability
Through-the-prop exhaust for a quiet ride
Thermostatically controlled cooling system for consistent engine temperature
Stainless steel water pump housing for outstanding durability
High grade marine aluminum alloy that provides the ultimate protection against corrosion
Zinc coating on internal water passages for superior corrosion resistance
Tachometer and trim meter, Aluminum propeller TOHATSU 33 SU TSU 98 Tsu 158U TOHATSU TOHATSU

Tohatsu Propane (LPG) OBM

5 HP LPG OBM

LITMUS MARINE (5 HP & 5 HP SAILPRO) Tohatsu OBMs are manufactured exclusively in Japan and distributed worldwide through their dealers. Tohatsu OBMs are currently the most preferred choice of OBMs in India. 5 HP Propane (LPG) OBM is Exclusively manufactured by Tohatsu for Fishermen of India and 5 HP Propane (LPG) OBM Sailpro for Sail Boats. Propane (LPG) OBM is offered in 5 HP and 5 HP Sail Pro Model

Key Features

The first in developing/producing LPG outboard by an outboard manufacturer
Lower emission than the petrol outboard motors. Less maintenance is required
Performs easy starting under any environment
Eco-Friendly- This model does not provide only the image of cleanness, but it's actually cleaner than any conventional outboards
User-Friendly- Sailors are no longer forced to carry petrol and on board
It offers easier starting, quieter operations, and provides less maintenance on fuel related parts
Sail Pro Models- It is designed specifically for sail boaters. The powerful sailboat engine is avail- able in Long and Ultra-Long shaft, and equipping a high thrust sail drive propeller to give the power you need
It also includes 12V, 60W, 5A charging system for charging your battery or powering external electrical devices and its own charging cable SPA Y TOHATSU

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