Table of Contents
L
Lambda Sensor
Oxygen sensor that's placed inside the exhaust system to measure exhaust gas oxygen content
Lapping (Valves)
Process of de-carbonizing/ cleaning the valve faces and valve seats
Late Model
The MoCo decided what and when to call early and late models based on many factors. One of which is the date that a change was made. For instance, if in mid July (early season) Sportster models had a part or manufacturing change, late July or early August becomes “Late” for the model(s) affected. Same as with any other month of the season.
LCD
Abbreviation for Liquid Crystal Display
Lean Angle
LED
Abbreviation for Light Emitting Diode
Lining (cylinders)
Process of inserting a steel cylinder insert into an aluminum alloy cylinder block 1)
LT
Low Tension. Describes the electrical circuit from the power supply to the primary side of the ignition coil. 2)
Lubrication
The reduction of friction and wear using a friction-reducing layer. This layer can be liquid, solid or plastic.3)
