Harley-Davidson Knucklehead

Code: EL

4-Stroke Confirmed

Key Specifications

Manufacturer
Harley-Davidson (United States)
Family
Big Twin
Displacement
1.2 L (73.7 ci)
Power Output
29 kW / 39 hp 38.9 hp / 39.4 PS
Torque
102 Nm 75.2 lb-ft / 10.4 kpm
Configuration
V-twin 2 Cylinders
Fuel Type
Petrol
Induction
Naturally Aspirated

Unit Converter

Detailed Specifications

Manufacturer Harley-Davidson (United States)
Family Big Twin
Stroke Type 4-stroke
Configuration V-twin 2 Cylinders
Displacement 1,207.0 cc (73.7 ci)
Bore × Stroke 84.1 mm × 107.9 mm (3.311 in × 4.248 in)
Compression Ratio 7.0:1
Power Output 29.0 kW (38.9 hp / 39.4 PS)
Torque 102.0 Nm (75.2 lb-ft / 10.4 kpm)
Valvetrain OHV
Fuel System Carburetor
Fuel Type Petrol
Induction Naturally Aspirated
Cooling System Air-cooled
Oil Capacity 2.8 L (3 qt)
Weight 85.0 kg (187.4 lbs)
Production Years 1936 - 1947
Data Quality Confirmed

Applications

Vehicle/Equipment Manufacturer Years Notes
Harley-Davidson EL Harley-Davidson 1936 - 1947 61 cubic inch (1000cc) model
Harley-Davidson FL Harley-Davidson 1941 - 1947 74 cubic inch (1200cc) model

Related Engines

Harley-Davidson United States
Displacement: 1.2 L
Power: 37 kW / 50 hp
Fuel: Petrol
Cylinders: V-twin 2 Cylinders