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Side cover support when stock air box is removed

Rafael

Rafael

GT Reference
Joined
Feb 16, 2009
Messages
1,096
Location
San Leandro, CA
Hi All,

Does anyone know if there is a aftermarket support bracket available for the V11s side covers to take the place of a removed stock air box?

thanks.
 
I have not seen a commercially available one. Some people make them themselves, but most do not use the airbox covers once they take the air box off. Part of the motivation for doing that, and putting up with the decrease in performance that it brings, is the open look that results. Putting the covers back would defeat that.
As a side note, Sport Cycle Pacific makes a nice set of velocity stacks for removing the airbox. They may also be of some help in regards to the brackets you seek.
 
Thanks for the lead on the velocity stack. I thought most of the performance gains would come from the removal of the filter box eliminating all the twists and turns the air has to make and the change in filter material.

I suppose the stock filter box can be used as a form to make a bracket.

Any idea where there the air temp sensor is relocated to?

If the source of vacuum for the charcoal cans coming from the air box, then the charcoal cans would stop working... (?)
 
Rafael said:
Thanks for the lead on the velocity stack. I thought most of the performance gains would come from the removal of the filter box eliminating all the twists and turns the air has to make and the change in filter material.

I suppose the stock filter box can be used as a form to make a bracket.

Any idea where there the air temp sensor is relocated to?

If the source of vacuum for the charcoal cans coming from the air box, then the charcoal cans would stop working... (?)
Click to expand...
This is no real performance gain for removing the air box. You might gain a little power at one specific rpm but the loss at all the other rpms will likely more than offset it.
The V11 air box is not that bad. The early Daytona air box was worse.
I would locate the air temp sensor as far from engine heat as possible.
The charcoal cans, if you still have them, typically rely on pressure from the gas tank and vacuum from the intake ports. But the system on the wifes V11 has been gone so long I can't remember how it was laid out. But my Griso definitely was set up that way.
 
Thanks GM, I agree about the performance. Now that the bike is tuned it has plenty. I don't think there a need to do every possible mod on a bike that doesn't get track time. One exception is a power commander. The bike already has mistral mufflers.

It turned out that the hoses on the manifold were already disconnected, I thought that maybe the vacuum came from the air box since I didn't see a connection to the manifolds. Charcoal cans and hoses come out today!
 
The wifes V11 has a PC3 and the stock airbox modded for more flow in to the box with a K & N, my Griso has a PCV with the stock airbox with a lid kit from Todd, and my Daytona has a chip and the aluminum velocity stacks like Sport Cycle Pacific sells. The Daytona had the chip and stacks done by the previous owner (a friend) so I am not sure exactly what/where on the mods.
I am all for more power, but typically most gains with a Power Comander come from better response. They help you optimize what you have. To really make more power you need to increase the air and fuel going in to the motor. PCs allow you to fine tune the fueling for the amount of air you have going in. Stock they tend to be lean in the low to mid range and rich on top.
That said, I do love the way V11s look with no airbox and I understand removing it. I just don't want to mess up the way the wifes V11 runs. She'd get mad.

About Sport Cycle Pacific, they also are into some cool bikes like a Aprilia RS 250 / RZ 500 two stroke hybrid.
I love that kind of stuff.
 
Rafael,
On my 02 V11 Lemans, I drilled out the airbox, but left the snorkels on it, added mistral pi;es, and FBF X-over and a PCIII. Stock it dynoed at 77 bhp, after a dynolink tune and custom map, it made nearly 85, and ran much smoother and much cooler. It also got better mileage. Louie had to pull lots of fuel out at many places and add much at others, the net was the perfect running guzzi.
Jon
 
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