F650GS- Water pump impeller rotates freely

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Andyman

Pack Dog
Joined
Aug 6, 2007
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Location
Gordons Bay, South Africa
Bike
BMW R1200GS Adventure
My F650 GS started overheating, investigation shows the impellor is not been driven. If manipulated by hand, it does sometimes feel like it engages the driver.

Id there a post on this forum someone can direct me to? or does someone know how to remove the impellor driver unit without removing too many engine parts- Zorst manifold, etc.

Cosntructive help appreciated.

Andyman,
Yup thats me, standing up in the traffic. 1150GSA / F650GS
 
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