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Water Pumps

SHOP MOTORCYCLE WATER PUMPS

Coolant leaking from the weep hole or temperatures creeping up? We stock genuine OEM motorcycle water pumps for Kawasaki sports bikes, including the GPX600R and GPX750R. A genuine pump matches the original impeller and housing, so the cooling system flows exactly as the factory intended.

A failing pump often goes hand in hand with a tired radiator or perished hoses, so check our radiators & radiator parts while you're replacing it, and fit new gaskets & seals on the pump housing. If you'd rather leave the job to the experts, here's why it pays to use a professional motorcycle workshop. More parts for your motor are in our engine & engine parts.

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FAQ – Motorcycle Water Pumps

What are the signs of a failing water pump?

Coolant dripping from the small weep hole under the pump, a whining or grinding noise, or the engine running hot are the most common signs. A leaking weep hole usually means the internal mechanical seal has failed.

Can I replace just the water pump seal?

On many bikes, yes, if the shaft and bearing are in good condition. If the impeller shaft has play or is corroded, replacing the complete pump is the more reliable fix.

What else should I replace with a water pump?

Fresh coolant, new O-rings and gaskets, and any perished hoses or clamps. It's also a good time to check the radiator and thermostat.

What coolant should I use after fitting a new pump?

Use the coolant type recommended in your owner's manual, usually a silicate-free ethylene glycol coolant suitable for aluminium engines, mixed to the correct ratio.

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