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Leaky Throttle Body?

F

freshbreva

Tuned and Synch'ed
GT Contributor
Joined
Oct 5, 2013
Messages
48
Location
Palm Desert, California, US
Photo link shows what I noticed on right side of my B11. Haven't done much to check it out as yet except for just wiping it off. Doesn't smell of fuel, but would oil be dripping from there? It would be nice if something just needed a little tightening. (I could use a little myself -- I'm going to go have a drink and think it over.)

http://aikins.name/GooseDrip.jpg

Thanks,
Ron
 
Ron,

The old "overfilled with oil and now coming into the airbox and R/H throttle body" syndrome. Not unusual but a PITA to keep clean. you may need to remove your throttle body section (in one piece and don't touch the sacred screw) and give it all a good clean so it doesn't gum up.

The amount of oil you need in the sump is just enough to come up to the "MIN" line on the dipstick. Otherwise it pump it into the airbox and most of it goes into the airbox drain tube (you have emptied this?) with a little into the R/H throttle body and eventually dripping as per your picture. In fact it could be my bike you took the photo of...

A bit of diluted degreaser will get rid of the stains but WILL permanently mark the engine paint...
 
What Tony said. In addition, Formula 409 or even Simple Green is pretty good at getting rid of the oil without staining the painted surfaces. When you clean the throttle bodies, use a good carb cleaner, and not the environmentally friendly one. It can damage paint more so that the other stuff.
 
Thanks for the replies. Ah - good news. That is, good in the same sense as the doctor knowing exactly what's wrong with you and the disease isn't fatal. But, that's disappointing that I overfilled the crankcase after so carefully measuring the recommended amount. I didn't use the check-the-dipstick method, figuring Guzzi should know how much oil was proper.

About the clean-up: maybe it's easier to paint the whole crankcase with oil then wipe it off. :)

Ron
 
Hello everybody,
I am Emanuel from Athens - Greece.

I own a Breva 1100 bought used and I am encountering a strange issue: sometimes there's a leak if something like oil from the right TB. It only happens sometimes, when the engine is stressed. It doesn't seem to affect the operation but...it's quite annoying.

2yx2ixv.jpg

35i0m76.jpg


Has anybody the same "problem"?
What can be the cause and the solution of it?
 
I've combined these threads, see above. I'll also move this to the FAQ section after a week or so.
 
Oh, sorry I didn't see the existing thread!

I still have a question though. How come only the R/H gets dirty? Which btw is farther from the drain tube than the L/H... ! It's like the R/H cylinder is more "sucky"
 
Emanuel, seems to be another "feature" of Guzzis. For the life of me, I cannot explain it - it seems to defy the laws of physics.
 
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