s.ga.rider
Well-Known Member
Lubed the shifter and installed a givi 371
What you did to your Tenere today??!!
- Thread starter biting_point
- Start date
ricerooster
Active Member
Change to a K&N filter. Oily airbox too. ..
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It is not seen to be accumulated engine breathing oil. Maybe a fall on your left side?Change to a K&N filter. Oily airbox too. ..
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They get like that in normal use. The brown is from mixing with moisture.Change to a K&N filter. Oily airbox too. ..
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I knew that it’s normal to find engine oil in the filter case, only that it seemed like a lot of it. Obviously, the transparent visor is to see that oil, for dirt it’s not because it’s after filtering. I ask, a dirty air filter, will cause the intake to suck more air from the engine vent, and that raise more oil? ... In my S10, when I disassembled to change filter, I have not found accumulated oil, just an oil perspiration, not accumulated oil
SkunkWorks
Well-Known Member
That part of the Air-Box (with the drain) is after the filter.
I imagine that is more oil than one would normally see coming from the breather, but I don't see any way for oil to get up in there from dropping the bike?
Perhaps a clogged air filter would draw more crankcase vapor up into the air box?
I imagine that is more oil than one would normally see coming from the breather, but I don't see any way for oil to get up in there from dropping the bike?
Perhaps a clogged air filter would draw more crankcase vapor up into the air box?
Cycledude
Well-Known Member
Seems like there should be a easy way to drain it.
SkunkWorks
Well-Known Member
It would be easy to extend that drain with a longer piece of clear-tubing.
They are the most illustrative pics I got. I doubt that will suck oil vapor and condense in that amount, except perhaps many miles without draining. That's why I thought of a fall. But well, if they put the drain for something, it will be
WJBertrand
Ventura Highway
^ I've seen accumulated amounts of oil in my air box before. Obviously Yamaha expects this since they provide a drain. It's really not oil vapor but rather an oil aerosol, i.e. tiny droplets of oil being carried there via the PCV system. I've heard overfilling the sump can increase this as well as high speed running. A tip over can certainly fill the air box with oil. I recall an incident with an ST1100 where it tipped over at a road shoulder and ended up with top of the bike slightly downhill. When the bike was finally righted and restarted it ran fine until the owner gave it lots of gas at speed evidently causing enough air flow to entrain the oil into the intakes resulting an a pretty good imitation of a crop duster in the rear view mirrors! Investigating later he found a significant amount of oil in the air box.
This.
The main two means of putting the oil in the air in the engine are leakage from the combustion chamber getting past the piston rings and all of the splash and thrown oil from gears, valves, the chain, etc.
There is an older thread about members putting on a longer tube and some did put an actual drain on the end.
Highwayman
Well-Known Member
So whats a conclusion for you guys with K & N with these? Gonna get the ecu flashed and the tuner highly suggested a K & N type filter with the Arrow exhaust (already installed). I ran a oiled air filter set up in my STI and Jeep. Both vehicles off road, pulled the boot and dirt in TB. I switched back to OEM filter. The HDs and street use Ive had no issues with anything past the filter. But the S 10 does get alot of offroad, I dont wanna spend 80 bucks and tune for it if im gonna have issues with dirt past em.
WJBertrand
Ventura Highway
Since I don’t think superbikes on a race track are required to meet any emissions standards, would they even bother to route the crankcase vent into the intake or air box?It would be interesting to know, from someone who has a Super Bike ... if the filter box has to drain oil. At 13-15000 rpm, I estimate that enough oil should go up to the filter box
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Sorry, I was really referring to whether the filter box of one, for example, R1 / R6, CBR 1000, Panigale, Hayabusa, also has an oil drain, as do both the S10 and the AT. I read that the AT has, perhaps, more need to drain the oil from the air box, than the S10 .... but with respect to the first mentioned, I read nothing about it
WJBertrand
Ventura Highway
Gotcha. I think big twins and singles have more trouble with crankcase pressure pulses than multi-cylinder bikes. Smaller case volume and bigger pistons moving around.
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taskmaster86
Active Member
Your experience of finding dirt getting past a k&n filter is very common and shared by many, including me.
I do not recommend K&N style filters for any application, ever. Unless you really do not care about engine protection or longevity at all.
Paper is the best for most on road applications. Oiled foam for heavy duty, extremely dirty conditions, especially where oiled foam is the OEM filter.
WJBertrand
Ventura Highway
Completely agree and have had the same dirt passage experience. Also, two vehicles, not otherwise known to have oil consumption issues (Honda ST1100 & Toyota Pickup with 22RE engine) became oil burners after long-term K&N use. In the case of my truck I had a 3-5 MPG drop using the K&N. Replaced all kinds of stuff trying to restore mileage and ended up trying an OEM style paper filter as a "what the hell" try. I was really surprised to experience the mileage immediately restored to it's previous level. For the hell of it I calculated the surface area of the drop-in K&N vs the paper filter and found the OEM style had 4X+ the surface area! Deeper and many more pleats.
One area where K&N beats all the competition is their marketing!
B
ballisticexchris
Guest
For maximum airflow the K&N style air filters are really hard to beat. I had one for the life of my truck. It had over 300,000 miles and still running strong when I got rid of it. Great filters for the street. All those kind of reusable "oiled gauze" filters pass dust when off roading. I had a BMC on my Ninja and was very happy with it. All depends on the application.
I plan on using the OEM one for my small bit of off road travel. For guys that constantly using the Super Tenere in dusty conditions I would recommend using the foam option that TABASCO sells:
https://advrider.com/f/threads/uni-filters-for-the-super-tenere-are-here.920536/
I plan on using the OEM one for my small bit of off road travel. For guys that constantly using the Super Tenere in dusty conditions I would recommend using the foam option that TABASCO sells:
https://advrider.com/f/threads/uni-filters-for-the-super-tenere-are-here.920536/
WJBertrand
Ventura Highway
Regarding air flow, that’s what I always believed too, until my experience with my Toyota truck and the reduced mileage and performance, at least when comparing the drop in K&N to the OEM. Between the dirt passage (both vehicles used on road only) and poorer performance, I lost my confidence in the concept.
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