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SERVICE INFORMATION
Water Pump Repair Kit, 15 – 30 HP M0odels
Water Pump Impeller Kit, P/N 5008185
Water Pump Impeller Kit, P/N 5008185, is included with Water Pump Repair Kit,
P/N 5008191, for service of 15 – 30 HP models. The water pump impeller kit
contains a new pressure relief valve spring, P/N 355169, and a new thermostat
spring, P/N 355209.
A change to the water pump impeller material improves the performance of the
water pump. This change affects engine water pressure and REQUIRES stron-
ger pressure relief valve and thermostat springs.
IMPORTANT: REPLACE the pressure relief valve and thermostat springs
when installing a water pump repair kit, or a water pump impeller kit in any 2010
or older 15 – 30 HP model.
Failure to install the impeller assembly and springs as a set can
result in:
•A cold running engine, if the impeller is installed without the pressure
relief valve and thermostat springs.
•An engine overheat, if the pressure relief valve and thermostat springs
are installed without the new impeller.
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