Modern Vespa

My 2007 BV500 has the water pump leak issue(s). In the cold temps here in the winter, there is a puddle of coolant underneath the water pump area. Can anyone give guidance as to either replace the pump or have it rebuilt? What other items do I need to get if I just replace the pump vs having it rebuilt? pros and cons of either way? I want to get everything lined up before the job gets started. Jim in NE ohio Thanks

Jim- I had my waterpump replaced years ago at POC in Cleveland. Phil Waters (and many folks here) suggest replacing the pump as opposed to rebuilding it. Mine actually had bits of the pump gathering under the inspection cover. The only additional items noted were two hose clamps to take place of the original one-use-only deals and of course, coolant. I know the 500 has the Master engine which is different from the Leader in my 200 so there will be some differences. A call to Cleveland Moto will get you the correct info for your scoot.

Good luck!

Bob

We have the kits to rebuild it, but there were two diameter spindles in that engine, 20 and 30mm. On the 500 engine, the water pump is in the flywheel cover, and not a separate component.
Unfortunately I don't know how you can figure out which one you need, because Piaggio just decided to change it one day.

https://scooterpartsco.com/recambi-scooter/tk/water-pump-kit-for-aprilia-piaggio-400-500-20mm-shaft

https://scooterpartsco.com/recambi-scooter/tk/water-pump-repair-kit-for-piaggio-aprilia-gilera-400-and-500

I rebuild the water pump on my 2007 GTS. I ran into a potential problem concerning 20 and 30mm shafts. My GTS had the 20MM Shaft. I only found 1 bearing manufacture that even offered that size in a sealed bearing. I believe in was NSK. No other manufacturer (SKF MRC FAG) had this size. Dont even bother unless you have an arbor press. I purchased the seal and ceramic face seal from Vespa. Bearings from a local source. If you do rebuild it yourself there is one thing I learned. The face seal is one piece. The inner and outer are pressed into the water pump cover and on to the shaft at the same time. You need to make a tool that maintains the distance between the inner and outer cases of the seal. If you press on either by itself you stand a good chance destroying the seal during installation

I have a 2007 BV500 and have had the water pump replaced by the local dealership. You should know that there are two different cover gaskets and you won't know which one you need to order until you take the cover off. They were actually replacing the stator as well for a different problem. One would think that Piaggio would be able to tell the proper gasket by you Vin number but then this is Piaggio and they can't. I really like the BV500 even though Piaggio is a little difficult to deal with. Keep us posted on how things turn out.

Order both and return the one he doesn't use