Tohatsu Technical Database

Tohatsu MFS50 EFI

Name: Tohatsu MFS50 EFI Outboard Motor (2024)
Brand: Tohatsu
Availability: OutOfStock

50 HP 2024 4-Stroke Current Production ✓ Service Data Verified

Smaller Model MD50 TLDI (2-Stroke)

Current Model MFS50 EFI

Larger Model MD70 TLDI (2-Stroke)

General Specifications

HP / kW 50 HP / 37.3 kW

Displacement 866 cc (52.8 cu in.)

Cylinders 3 (Inline)

WOT RPM 5000 - 6000

Weight 95 kg / 209 lbs

Drive & Lower Unit

Gear Ratio 2.08:1

Shaft Length 15, 20

Electrical System

Alternator Output 252 Watts

Starting System Electric

Technical Maintenance Toolkit

Verified service specifications for the Tohatsu MFS50 EFI (2024)

Lubrication

Engine Oil

Tohatsu 4-Stroke Oil

Oil Capacity 2.4 Liters

Gearcase Lube 500 ml

Ignition System

Spark Plug

NGK IKR6G8

Gap Setting 0.035"

Firing Order 1-2-3-4

Performance Specs

Idle RPM 700 ± 50

WOT Range 5000-6000

Alternator 252W

Standard Maintenance Intervals

20H Break-in Service

100H Annual Tune-up

300H Water Pump & Seals

Identification

The serial number for the Tohatsu MFS50 EFI is typically found on a plate located on the transom bracket.

Technical Toolkit

Compare this 50HP engine → Identify your model year → Decode error codes → Propeller guide for this 50HP →

Maintenance Compatibility

These models share common service parts with the Tohatsu MFS50 EFI:

Model Evolution

History of the Tohatsu 50HP series over the years:

2010 MD50 TLDI (2-Stroke)

Category Discovery

All 50HP Motors Full Tohatsu Index 2020s Archive

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Reference Data

Information compiled from Tohatsu Marine factory service manuals and original sales literature published in 2024.