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SSYFZ450
90cc 2 stroke / 110 4 stroke
Joined: 26 Mar 2007
Posts: 66
Location: NEAR THE HILLS - VIC
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 Posted: Mon Apr 30, 2007 11:03 am Post subject: YFZ450 coolant leak |
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Just found coolant dripping from the water pump on my 450 after weekend ride. Coming from small hole in bottom on water pump housing.
Looked at work shop manual - do I need to remove the side case and replace oil seals and bearings to stop the leak?? -- or is there another reason for the water leak??? Coolant was changed not long ago with genuine yam coolant 50/50 !! But I have just brought the quad. Any advice greatly appriciated.
_________________
04 YFZ450 -
Few mods - GYTR parts
But need more!! |
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Sponsor
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yfz450
Blaster class
Joined: 13 Feb 2006
Posts: 128
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| Posted: Mon Apr 30, 2007 12:31 pm Post subject: |
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its a common problem on the YFZ's
to do it properly you'll need to take the side case off and replace the bearing and seals and check the shaft out at the same time, if it has any wear on you need to replace that as well or the seals will wear out fast.
if its only a small leak you could try your luck at just putting a new outer seal in, you would only need to take off the w/p cover for this . |
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SSYFZ450
90cc 2 stroke / 110 4 stroke
Joined: 26 Mar 2007
Posts: 66
Location: NEAR THE HILLS - VIC
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| Posted: Mon Apr 30, 2007 4:58 pm Post subject: |
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Ok thanks heaps for the info
_________________
04 YFZ450 -
Few mods - GYTR parts
But need more!! |
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