Mystery leaking coolant fitting?
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Hooked
2009 MP3 400
Joined: 11 Jun 2007
Posts: 212
Location: Sayre, PA
Fri Jul 24, 2020 5:31 am quote
Can anyone identify this leaking plastic fitting? Left side of the engine close to the center stand.

Looks like a coolant fitting but I wasn't able to find it on the parts diagram.

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Ossessionato
Gilera Fuoco 500ie
Joined: 11 Oct 2009
Posts: 4184
Location: Netherlands Olst
Fri Jul 24, 2020 6:49 am quote
Most likely its your thermostat that needs replacing
Hooked
2009 MP3 400
Joined: 11 Jun 2007
Posts: 212
Location: Sayre, PA
Fri Jul 24, 2020 8:21 am quote
isn't the thermostat on the top of the engine under the bleed fitting? Or is this the actual thermostat?
Hooked
2009 MP3 400
Joined: 11 Jun 2007
Posts: 212
Location: Sayre, PA
Fri Jul 24, 2020 8:28 am quote
Aha! It is the thermostat!

https://www.youtube.com/watch?v=esnwNNLe5Qo

Now to find it one the parts diagram and find a part number.
Hooked
2009 MP3 400
Joined: 11 Jun 2007
Posts: 212
Location: Sayre, PA
Fri Jul 24, 2020 8:29 am quote
OEM Aprilia External Thermostat -#848140
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