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Oil in air box

Guillaume™

Tuned and Synch'ed
GT Contributor
Joined
Apr 11, 2021
Messages
46
Location
Vancouver, Canada
I just removed my stock airfilter to replace it with a DNA filter.

Any idea why I have this much oil sitting inside my airbox?!?!

2021 V7 Centenario ~2700miles

IMG 20211211 132314
 
Covered here quite a bit... try a search. Likely overfilled crankcase. Never fill to the full mark... all I can add here.
These bikes are being raced in Europe and don't have this issue.
 
Hate to dig up an older thread, but I'm experiencing similar issues on my '21 V7 special. Bike currently has 9500 miles.

Oil is at the low mark, yet I'm still finding oil in my airbox. Not quite as much as this, just a little bit sitting at the bottom and a light misting on the walls. I clean it out weekly.

I too use my bike to commute, and sitting around 5k rpm for 15-20 minutes is not unusual.

Should I be concerned or is this normal due to high rpm riding?
 
You can add more room to crankcase with Todd's pan spacer and add a bit of oil too. Will give you more air to drop the pressure.
Some of the smallblocks have to be very low on the stick for no puking.
 
You can add more room to crankcase with Todd's pan spacer and add a bit of oil too. Will give you more air to drop the pressure.
Some of the smallblocks have to be very low on the stick for no puking.
Unfortunately Todd's sump spacer does not work on the v7 850's.
 
I would check the crankcase breather system and return line. Occasionally we have found issues there on problematic bikes. We're just up the 55 in Orange if you need us.
 
Unsolicited advice. Take it to Todd. Let an expert sort it out for you. The cost-benefit simply cannot be beat and besides, he’s right up the road from you.
 
Unsolicited advice. Take it to Todd. Let an expert sort it out for you. The cost-benefit simply cannot be beat and besides, he’s right up the road from you.

Too bad Todd is over the pond...we, the European folks, we're doomed to be our own mechanics since the dealerships are plain dumb.
 
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