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how do you change a water pump on a 1985 Yamaha yz 250
150 Hp EFI 2-stroke Yamaha ox66 2003 year model
Use an electric pump or hand pump to suck it out of the dip stick tube.
87 Yamaha YZ250
with tools.
You take the old pump off........ then you put the new pump on.
no it is gravity fed
directly behind the battery
trochoid
Oil pump change
water pump seal bad
the kind at the pump, liquid perhaps...