The following is a list of abbreviations commonly used in the powersports industry
A | Ampere or Amp |
ABDC | After Bottom Dead Center |
ABS | Anti-lock Brake System |
AC | Alternating Current |
Assy | Assembly |
ATC | All Terrain Cycle |
ATDC | After Top Dead Center |
ATV | All Terrain Vehicle |
Batt | Battery |
BBDC | Before Bottom Dead Center |
BMEP | Brake Mean Effective Pressure |
BTDC | Before Top Dead Center |
C | Celcius |
cc | cubic centimeter |
CDI | Capacitor Discharge Ignition |
cm | centimeter |
CO | Carbon monoxide |
CO2 | Carbon dioxide |
DC | Direct Current |
DOHC | Double Over Head Cam |
DOT | Department of Transportation (US) |
ECM | Electronic Control Module |
ECU | Electronic Control Unit |
EFI | Electronic Fuel Injection |
EGA | Exhaust Gas Analyzer |
EMF | Electro-Motive Force (voltage) |
EPA | Environmental Protection Agency (US) |
EX | Exhaust |
F | Fahrenheit |
Fr | Front |
ft | foot or feet |
g | gram |
gnd | ground |
hr | hour |
hp | horsepower |
ID | Inside Diameter |
in | inch or inches |
IN | Intake |
kg | kilogram |
kph | kilometers per hour |
l | liter or liters |
Lt | Left |
lb | pound |
LBS | Linked Braking System |
LED | Light Emitting Diode |
m | meter or meters |
Max | Maximum |
min | minute or minutes |
Min | Minimum |
mph | miles per hour |
MSF | Motorcycle Safety Foundation (US) |
N/A | Not Available or Not Applicable |
N | Newton or Newtons |
N-m | Newton Meter |
NOx | Nitrogen Oxide |
O | Oxygen |
OD | Outside Diameter |
OE | Original Equipment |
OEM | Original Equipment of the Manufacturer |
os | over size(d) |
oz | ounce or ounces |
Pa | Pascal or Pascals |
psi | pounds per square inch |
PWC | Personal Water Craft |
rev | revolution |
Rt | Right |
Rr | Rear |
rpm | revolutions per minute |
SOHC | Single Over Head Cam |
std | standard |
Rt | Right |
TDC | Top Dead Center |
TPI | Transistorized Pointless Ignition |
V | Volt |
VOM | Volt-Ohm Meter |
W | Watt or Watts |