Water Pump Replacement

[davidh]

Anybody had any need to or experience with replacing the water pump on their C600/C650? I have my bike at the dealer for a valve adjustment and they're saying the pump is leaking from the weep hole. I've never seen any coolant under the bike and was just in that area on Sunday when I removed all the plastics and didnt notice anything amiss.

I told them to skip it for now and I'll keep an eye on it. It seems like it should be straightforward to replace (if needed) but wanted any real-world experience. BTW, the bike has 58k miles on it.

PS. Cross-posted on the Google forum for fun

 

[PROtivoGAS]

Greetings to all! I am from Russia and I have the same problem in a scooter. I apologize in advance for using the Google-Translate.
Mileage 30.5 thousand km.
After the winter I saw some dried marks on the moped .. and forgot about it ..
And when I started driving, I saw that after the engine stopped, there were some drops on the right .. When I took off the plastic. I saw drops from the pump (or pump covers). Then on the trail could not understand exactly where it drips. After reinstalling the pump cover on the sealant, again dripped. When the engine started. Dripping from the process hole in the pump. Drops already with oil.
So, cranks pump. I had to order .. The pump is assembled with a cover. The cost of parts from $ 150 .... and 2-3 weeks of waiting. Cool! I really wanted to disassemble the pump (there, like only the shaft and probably a couple of glands), try to repair it .. Can I find a replacement for the glands? .. And if there aren't glands? We must wait for a while, maybe something else needs to be ordered ..
The main thing is that on the move or after a briefly temporary stop, there are no leaks and drops of antifreeze. Due to the heating of the muffler, all the liquid just evaporates ..

https://youtu.be/g5tldNBrC_g


https://www.bmwclub.ru/threads/s650gt-umerla-pompa-i-nakrylsja-reduktor.1322447/

 

[rod25]

Nice info plan to remove and check my water pump also on 2014 c650gt. Could anyone guide me the tutorial for this. When i check on the manual doesn't shown.

 

[steve l]

See: C600, C650GT Technical Water Pump 02 - Seal Replacement

Thread 'Water Pump 02 - Seal Replacement'

Oct 9, 2023

See also: C600, C650GT Technical / Water Pump 01 - Access

Repair options;
(1) BMW sell the RHS engine cover complete with water pump for £160, I managed to find a NOS (new old stock) one on Ebay for £100.
(2) Import a repair kit from Italy, total cost £70. This includes the impeller shaft that may be required in some cases.
(3) Fit new seals, total cast around £25, the seals are not available from BMW. For detailed info on the seals required, see photos below.

I decided to fit a new RHS engine cover and then replace the seals in the old one to keep as a spare.

The large alloy timing...

• steve l
• Replies: 0
• Forum: C600, C650GT Technical

• 

 

[rod25]

Is this the water pump did anyone try to open this? Can anyone guide me how to clean the pump.

 

[Kiss4u]

Yes, it's the water pump.

Why do you want to remove it?
There are very effective products that can clean the system simply by replacing the coolant, running the engine through a warm-up cycle, draining the coolant and then replacing it with fresh, clean coolant.
Only dismantle the pump as a last resort, if cleaning is the only option.

Note that the radiator on this motorcycle is easily clogged (from the outside), making cooling less efficient. In this case, you'll need to remove some of the fairings to be able to clean and blow out the radiator properly.

Can you take a clearer photo ? It looks like one of the clamps on the return or intake hoses is mounted upside down. This position prevents the hose from fitting correctly to the pump and could lead to a leak at this point.

 

[rod25]

Yes, it's the water pump.

Why do you want to remove it?
There are very effective products that can clean the system simply by replacing the coolant, running the engine through a warm-up cycle, draining the coolant and then replacing it with fresh, clean coolant.
Only dismantle the pump as a last resort, if cleaning is the only option.

Note that the radiator on this motorcycle is easily clogged (from the outside), making cooling less efficient. In this case, you'll need to remove some of the fairings to be able to clean and blow out the radiator properly.

Can you take a clearer photo ? It looks like one of the clamps on the return or intake hoses is mounted upside down. This position prevents the hose from fitting correctly to the pump and could lead to a leak at this point.

I need to check if it was clog with some dirt. Because the termostat i shown on my other thread and even the radiator itself is corroded i suspect maybe it has a damage also. I already remove all the fairing and everything from last month still i did not put it back due to im waiting for the thermostat casing part to arrive and it arrive today but it was not correct parts can you please help me the part number.