Not for
Reproduction
14 BRIGGSandSTRATTON.COM
Troubleshooting
Problem
Cause
Correction
No pump output or
low pump output
when water pump is
running.
1. Pump not primed.
1. Fill pump chamber with water and prime pump.
2. Suction hose restricted, collapsed,
damaged, too long, or diameter too
small.
2. Replace suction hose.
3. Strainer not completely under water.
3. Sink the strainer and the end of suction
hose completely under water.
4. Air leak at suction hose connector.
4. Replace sealing washer if missing or
damaged. Tighten hose connector and clamp.
5. Strainer clogged.
5. Clean debris from strainer.
6. Discharge hose restricted, damaged,
too long, or diameter too small.
6. Replace discharge hose.
7. Excessive or marginal head.
7. Relocate pump and/or hoses to reduce head.
8. Engine speed lever is in “Slow” position. 8. Move engine speed lever to “Fast”
position.
Engine will not start;
lacks power; starts
and runs rough; or
“hunts” or falters.
1. Rocker switch set to OFF (0).
1. Set switch to ON (I).
2. Fuel shutoff is in OFF (0) position.
2. Turn fuel shutoff to ON (I) position.
3. Dirty air cleaner.
3. Clean or replace air cleaner.
4. Out of fuel.
4. Wait two minutes and fill fuel tank.
5. Stale or contaminated fuel or water in
fuel.
5. Drain fuel tank and carburetor; fill with fresh fuel.
6. Spark plug wire not connected to spark plug. 6. Connect wire to spark plug.
7. Bad spark plug.
7. Replace spark plug.
8. Excessive fuel is present in the air/fuel
mixture causing a “flooded” condition.
8. Wait 5 minutes and re-crank engine.
9. Carburetor is out of adjustment.
9. Contact Authorized service facility.
Engine shuts down
when running.
Out of fuel.
Wait two minutes and fill fuel tank.