General Specifications
HP / kW
75 HP / 55.9 kW
Displacement
1741 cc (106.2 cu in.)
Cylinders
4 (Inline)
WOT RPM
5000 - 6000
Weight
175 kg / 386 lbs
Drive & Lower Unit
Gear Ratio
2.33:1
Shaft Length
20", 25"
Electrical System
Alternator Output 630 Watts
Starting System Electric
Technical Maintenance Toolkit
Verified service specifications for the Mercury 75hp EFI (1.7L) (2004)
Lubrication
Engine Oil
25W-40 FC-W
Oil Capacity 5 Liters
Gearcase Lube 710 ml
Ignition System
Spark Plug
NGK LFR4A-E
Gap Setting 0.043"
Firing Order 1-2-3-4
Performance Specs
Idle RPM 700 ± 50
WOT Range 5000-6000
Alternator 630W
Standard Maintenance Intervals
20H Break-in Service
100H Annual Tune-up
300H Water Pump & Seals
Identification
The serial number for the Mercury 75hp EFI (1.7L) is typically found on a plate located on the transom bracket.
Technical Toolkit
Maintenance Compatibility
These models share common service parts with the Mercury 75hp EFI (1.7L):
Model Evolution
History of the Mercury 75HP series over the years:
Category Discovery
Reference Data
Information compiled from Mercury Marine factory service manuals and original sales literature published in 2004.