Bad water pump - 2005 Yamaha YZF-R1

Pressure washers can only be started/run with water attached. No water burned out pump in 5 seconds! If pump puts out high pressure water without wand/hose attached, bad wand or hose, if not bad pump. Replace pump.

Hi there
A bad or worn water pump ,you will either boil the engine water system or loose water or coolant while driving and when you stopped or water [temp] light will come on when it gets down in the header tank,AND
you will hear the grinding noise as soon as you start the engine and the water pump pulley will move about when running and water will start leaking .
Let me know how you go.

All three of these engines a timing belt driven which means the water pump is also timing belt driven. The water pump is located behind the timing belt covers on the front of all three engines. The timing belt has to be removed in order to service the water pump. Yes coolant can leak out the pump when it is bad.

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The most common problem is the water pump is malfunctioning and not allowing the water to drain all the way out, if the machine sits over a week the water turns sour and smells bad. so check that the pump is not plugged up and check that the pipe from the pump is not plugged up. if hose is not plugged up and the belt on the pump is tightened up it could still be a bad water pump so I suggest you replace it. Also with a water hose push water threw the drain pipe in the wall to see if the pipe is plugged, it should take full water hose pressure without a problem, if it backs up then you have a plugged drain pipe. remove the drain pipe form the hole in the wall and push hose onto the water hose put washer on spin and have other end off the hose bib, watch the water flow as it pumps water out of the spin cycle if the water does not come out fast than you have a bad pump or a bad water pump belt. since it won't drain all the way this will cause the water to smell sour.

Most likely the bearings went bad in the water pump and caused the lock up situation .So i would have your water pump looked at.

REPLACE THE WATER PUMP.

Make sure the water is turned on to the machine.
Set the machine to start the cycle. Put a volt meter on the water valve terminals. At the fill portion of the cycle you will read 120 volts at these terminals. If you read 120 volts and no fill, the water valve is bad. If you do not read 120 volts, the timer is bad.
Fill the tub with water using a pot. Set the machine at the pump out cycle. If it pumps out, the pump is good.
If it does not pump out it could be a bad pump or bad timer.

Basic Washer Problems
No fill:
Bad water valve
kinked hoses
unpaid water bill faulty electronics. Overfill:
trash in water level switch tube
bad water valve
bad water level switch faulty electronics. Washes but don't spin:
bad lid switch
bad drive coupling or belt
bad motor faulty electronics Spins pumps but don't wash:
bad timer
bad motor
bad luck faulty electronics. Leaks:
bad hoses
bad pump
bad tub gasket faulty electronics. Fills washes but never advances:
bad lid switch
locked up pump
bad motor
bad timer faulty electronics. Goes through complete cycle but clothes soaking wet:
bad belt
bad pump
bad thrust bearing faulty electronics*. *electronics in appliances ****. My opinion.

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could be a bad gasket or a bad water pump.If the gasket isn't sealed properly you with spray out water.It is possible to get a bad water pump,but not likely.Check the gasket first.