General Specifications
HP / kW
75 HP / 55.9 kW
Displacement
1037 cc (63.3 cu in.)
Cylinders
3 (Inline)
WOT RPM
4800 - 5200
Weight
76 kg / 168 lbs
Drive & Lower Unit
Gear Ratio
1.58:1
Shaft Length
15, 20
Electrical System
Alternator Output 120 Watts
Starting System Electric
Technical Maintenance Toolkit
Verified service specifications for the McCulloch 75hp Flying Scott (1961)
Lubrication
Engine Oil
TC-W3 2-Stroke
Gearcase Lube 500 ml
Ignition System
Spark Plug
Champion L-78V (Surface Gap)
Gap Setting 0.035"
Firing Order 1-2-3-4
Performance Specs
Idle RPM 700 ± 50
WOT Range 4800-5200
Alternator 120W
Standard Maintenance Intervals
20H Break-in Service
100H Annual Tune-up
300H Water Pump & Seals
Identification
The serial number for the McCulloch 75hp Flying Scott is typically found on a plate located on the transom bracket.
Technical Toolkit
Maintenance Compatibility
These models share common service parts with the McCulloch 75hp Flying Scott:
Model Evolution
History of the McCulloch 75HP series over the years:
Standalone production year.
Category Discovery
Reference Data
Information compiled from McCulloch Marine factory service manuals and original sales literature published in 1961.