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Discussion in 'Thumpers' started by GB, Apr 24, 2008.
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Get the water pump kit. Impeller and 2 shaft seals. The cover gasket might be able to be reused, but it is 11 years old.
In the above picture from Square1 I would say the weep hole is not leaking nor is the area behind it (which is connected to the weep hole - so same thing).
So in this case you don't need to replace the water pump shaft and seals. You simply need to fix the leak in the gasket area between the water pump housing (cover) and the inner housing (cover), which is a MUCH SIMPLER ISSUE.
Am I wrong? (Walter Sobchak)
Now, As to what gqelements said:
" My water pump started to seep...
There is no leak yet but I can see (oily?) sweat in the seam between the engine case and the pump housing. "
We need to understand exactly where you mean.
If your leak is out the weep hole and/or the long straight portion behind it (all on the inner cover0, as in the picture below from Sh4ft, then you need the much more complicated shaft/impeller and 2 seals replacement (requiring exhaust and swingarm removal, etc).
I have the leak below (at 27k miles) and have decided to just monitor the coolant level for the time being, until winter perhaps. Thanks to BMW's pathetic serviceability.
Looking at that photo I'd say something else is leaking, not the waterpump. If the waterpump leaks there's coolant coming from the weep hole. (check if it's blocked)
The original BMW hose clamps loose their clamping strength over time as the hoses get older and less "springy"/flexible. Remove the original clamps and fit jubilee clips so you can do them up tight again. Also check for leaks/ burn-marks in the hose that runs directly under the header pipe.
Spend the day yesterday following cyclists around
I got a set of passenger footpegs w/ grab handles (and a set of Xcountry forks) for sale over the in the Xcountry thread:
And I'm looking for a spare set of rims if anyone is thinking of selling. Actually I just want the hubs.
Good luck finding some! They're like rocking horse poo !
I was VERY lucky to find two sets (as we have two bikes that needed them)
I reckon somebody should dig through e.g. the Talon catalogue and take a closer look at the dimensions of hubs with the correct axle diameter
...rare as hens teeth describes the G650X hubs very well.
The key factor for the front hub would be either the same bolt pattern as the G650X brake disc or availability of a suitable brake disc (same thickness and diameter),
all else can be sorted with spacers.
On the rear, it's a little more difficult. Same old story for the brake disc with the extra challenge of the very same problem in regard of the sprocket.
And since this wouldn't be difficult enough, not everything can be sorted with spacers (well, it could, but not with just normal, simple spacers. Instead, a spacer between the sprocket carrier and the sprocket would make this doable. With the right design, this would also allow to just put any bolt pattern on there you could imagine) on the rear wheel, since you have to worry about chain alignment, too.
Ya might want to check out this post:
looks like Jeff's got 1 each front and rear XChallenge hubs for sale at $200 each
Thanks! I sent him a PM
My local BMW dealer has a used one on the floor, Carolina Eurosports in Greensboro NC. Carolinaeuro.com
The front hub looked a lot like the Aprilia RXV hub. The rear may also be an Aprilia hub, but the RXVs didn't use a cush drive.
To turn up new axles would probably be the easiest way to use more popular/available hubs and wheels.
I don't know why people just don't try a different size bearings, spacer tube and spacers (at least on the front wheel) You possibly could fit loads of wheels.
I seem to remember a rear hub from a BMW F650 being used once but I can't remember where I read it. (or if it really was in an X bike.)
You read that on the german G650X forum, the 650 Rally that Touratech prepared for the (cancelled) Dakar Rallye was equipped with the rear hub of a classic F650.
They used the same hubs on their F650GS Rallye bikes.
Not sure what work they've done to make it fit the G650X, but for the F650GS RR, they turned spacers for both, the brake disc and the sprocket side and machined a spacer that was put in between the sprocket and the sprocket carrier.
In the air box yesterday for filter check. What's the wad of steel wool in the cavity on the right inside ?
Padding is at the top of crankcase breather hose. Filters some oil coming from the pipe with breathed air.
That make perfect sense, thanks!
Hey guys, so this is how this the 'weeping' around the water pump casing looks. Ignore the oil UNDER the engine (on the bash plate), it's from today's oil change. Oil was good, no milky or other residue... Any thoughts or suggestions welcome. Hoping this is not yet critical and I can get through this weekend's 1000kms rally....
PS: Someone mentioned Water pump kit' - is there a part number? My mechanic isn't exactly the 'researching type' if I don't give him a part # I'm SOL.