Waterpump check

Discussion specific to the 1989 - 1994 (E Series) KDX200 model sold in the USA
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Jasper
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Waterpump check

Post by Jasper »

Is there a way to check if the waterpump is working properly without removing the cover?
Kenny
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Re: Waterpump check

Post by Kenny »

Hi Jasper,

I would disconnect the hose pipe coming from the pump toward the top end of the engine, only disconnect the top end of the hose. Start the bike and see if water comes pouring out of the pipe. If you pumps is working you should have water coming out of your hose. ( that is what I on cruisers anyways to check water pump)
But I would still take the cover off and inspect the propeller, its pretty straight forward and you can't really go wrong with it.

Hope that helps,

Kenny.
eprovenzano
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Re: Waterpump check

Post by eprovenzano »

I would remove the pipe, and the cover. If you're careful, you should be able to reuse the gasket .You may need to use some gasket sealer, but you should be good. Personally I'd rather put eyes on the pump to make sure all is well. All its going to cost you is fresh coolant, and some time. To me it's worth the effort if you're not sure...
1991 KDX basket case... being rebuilt
2001 KTM EXC 380... two stroke heaven
2000 KTM EXC 300, son's
1993 Kawaski Bayou 400 4x4
2008 Yamaha Vstar 1100 Silverado
david
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Re: Waterpump check

Post by david »

Take off the radiator cap and watch for water flow. There's no thermostat in these bikes, so you should get water flow through the radiator if the engine is running.
'81 KDX 175
'90 KDX 200
'07 Vulcan 2000 Classic LT (totaled 4/25/15)
'82 Honda GL500 (sold)
'96 ZXi 1100 JetSki
'98 STX 1100 JetSki
eprovenzano
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Re: Waterpump check

Post by eprovenzano »

David's right. That's the easiest way to check


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1991 KDX basket case... being rebuilt
2001 KTM EXC 380... two stroke heaven
2000 KTM EXC 300, son's
1993 Kawaski Bayou 400 4x4
2008 Yamaha Vstar 1100 Silverado
Jasper
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Waterpump check

Post by Jasper »

Ok thx
Mnmonster
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Re: Waterpump check

Post by Mnmonster »

So this had me thinking I should check mine after my rebuild. I took a video. I don't see any coolant coming out of the top hose. I'm assuming I have a problem here?

david
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Re: Waterpump check

Post by david »

Might have air trapped in the system.
'81 KDX 175
'90 KDX 200
'07 Vulcan 2000 Classic LT (totaled 4/25/15)
'82 Honda GL500 (sold)
'96 ZXi 1100 JetSki
'98 STX 1100 JetSki
Dekon
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Re: Waterpump check

Post by Dekon »

Mnmonster wrote:So this had me thinking I should check mine after my rebuild. I took a video. I don't see any coolant coming out of the top hose. I'm assuming I have a problem here?

Are you talking about the hose in the filler neck? That is the overflow, no coolant should be coming from there.
Mnmonster
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Re: Waterpump check

Post by Mnmonster »

Dekon wrote:
Mnmonster wrote:So this had me thinking I should check mine after my rebuild. I took a video. I don't see any coolant coming out of the top hose. I'm assuming I have a problem here?

Are you talking about the hose in the filler neck? That is the overflow, no coolant should be coming from there.
Ok good to know, I believe everything is operating as normal. Thanks!
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