PRI is for priming the carburetor. That means filling the carburetor up with gas if it is say the first time its ever been ridden or the gas was drained out for some reason.
What is Prime on a motorcycle?
The “Prime” setting lets you flow fuel directly to the float chambers filling them without having to turn the bike over. On vacuum controlled petcocks the intake’s vacuum opens a diaphram and lets the fuel flow past the petcock, so you need to turn the engine over to create that vacuum.
What does PRI mean on a four wheeler?
Also, in the Pri (Prime) position fuel bypasses the diaphragm automatically and fuel will continue to flow regardless of if the engine is running or not.
What does reserve mean on a motorcycle?
In motorcycles and cars, the fuel reserve setting indicates that the level of fuel in the tank is low. … When the main fuel is exhausted, the motor will start sputtering, prompting the rider to change the position knob to continue riding with a known smaller quantity of fuel.
Should I turn off the fuel on my motorcycle?
The primary reason for shutting off the fuel is safety. On a motorcycle the fuel tank is directly above the engine. If fuel were to leak it would drip directly on the hot engine. This along with the fact that most motorcycles use a rubber supply hose that is exposed to the engine heat and the resulting decomposition.
How often should you start your motorcycle?
All motorcycle owners should start and run their motorcycles for at least 15 minutes once a week during the winter. Letting it run will keep all the engine components and gaskets lubricated, eliminates condensation buildup, ensures the carburetor will not gum up, and recharges the battery.
Do you need to warm up a motorcycle?
It’s good to learn that a motorcycle only needs a minute or two to warm up which means that it’s just the right time for you to start and ride the vehicle, wear your helmet, and prep yourself for the ride then you can go.
How do I know if my Petcock is bad?
If you smell or see gas in the vacuum line on the petcock then it is for sure bad. The first symptoms of a failing fuel petcock (remember this only applies to vacuum regulated ones): Your engine will start running really rich. You can tell if it is running rich by pulling the spark plug.
What is RES on Petcock?
The standard petcock has ON-OFF-RES (RESERVE). OFF is, well, off. ON takes fuel from a tube that sticks up from the petcock body into the tank. When the fuel level goes below the top of the tube, the carb runs out of gas until you turn on the reserve. The RES draws fuel from the bottom of the tank.
What does res mean on fuel switch?
When you run out of gas, it means that your fuel level has dropped below the high outlet level. There is still some fuel left in the bottom of the tank. When you set your fuel switch to “RES” (short for reserve) is pulls fuel from the low outlet.
Can I run my motorcycle on reserve all the time?
You can always ride til you use the reserve and then ride for 20 or so miles into the reserve and then fill the whole thing up. Alternatively, you can leave the reserve on and keep track of you miles vs gas mileage. Or same and fill every 100-150 miles.
How can I reduce the fuel consumption of my motorcycle?
DONT’S of fuel consumption:
- Do not keep the clutch lever hard-pressed when you are riding.
- Do not run the engine in low gear for prolonged time.
- Do not park your under direct sunlight as it leads to fuel vaporization.
- Do not keep brake pedal pressed when on the move.
- Do not increase the engine rpm through traffic stops.
How long can fuel sit in motorcycle?
Unstabilized gas in a motorcycle can start going bad in about 30 days, especially when it is not being used. The exposure to oxygen eventually changes the chemistry of gas which can lead to gum and varnish deposits. Gas should not be used if it has been sitting for longer than 6 months.
Is it bad to let a motorcycle sit?
If unused, over time your motorcycle battery will drain. There is a phenomenon called “parasitic drain” where the motorcycle computers and poorly grounded wires cause slight discharge. … If you let your motorcycle sit for long periods of time, this will completely drain the battery.
How do you know if your motorcycle engine is flooded?
Obviously, the first symptom will be that your motorcycle won’t start. The starting mechanism will sound perfectly normal, but that the combustion just isn’t happening. The second biggest sign of a flooded engine is a sudden smell of gas. Because gas is building up in the cylinders, you’ll easily be able to smell it.