Second water pump gone already

BP PanigaleV4S · 2025-01-15T15:12:49-0800

Mcv4 said:
Had this issue for ages on my S1000RR track bike and went away completely after I bought a vacuum bleeder kit and carried out a fluid change properly.

I didn’t even know that was a thing. The bleeder kits seem pretty cheap, I’ll have to give it a try. I run engine ice and change coolant every spring. I always end up having to do a few heat cycles to get the coolant level right, it would be nice to get it on the first try.

Mcv4 · 2025-01-15T15:38:15-0800

My track bike used to do my head in. Every session looking at engine temp and then once in, removing belly pan, draining coolant out of it, topping up res and radiator etc. After the first vacuum bleed I never looked back. Not saying it's 100% the issue on your bike SD but for a good inexpensive tool to have on hand along with the problems you are describing and how much a pain in the ass that is, it's 100% worth a try.

Mcv4 · 2025-01-15T15:41:30-0800

BP PanigaleV4S said:
I didn’t even know that was a thing. The bleeder kits seem pretty cheap, I’ll have to give it a try. I run engine ice and change coolant every spring. I always end up having to do a few heat cycles to get the coolant level right, it would be nice to get it on the first try.

I love them. Helped a few mates out with cooling system issues. Just need to make sure your compressor has the herbs to create enough vacuum in the system. Anything bigger than the cheap / really small ones will be fine. Make sure the kit has the right size rad cap adapter fitting. Went to do an RSV4 the other week and my kit didn't have the right fitting.

Second water pump gone already

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