robbin40
06-13-2008, 03:48 AM
This mode allows an additional 3" of air to flow through the OEM Box. I installed it on my bike about three months ago. It is well hidden by the gas tank, (totally out of sight and out of mind) and is for those who want to keep the stock air box look. Water does not go into the air box when I clean my bike or when it rains (we need to keep the filter dry). I have no turbulence from crosswinds. Honda has a snout going inward across the motor in the general area I chose to open up to let more air into the box. I got to thinking that Honda would not of put an air snout in this area if heat from the motor would have a negative effect on the bike itself. The mode is incredibly simple and adjustable and you can return the air box to stock by plugging the holes. I did this mode at the same time I installed my A/F Adjustment Extention
http://www.vtxcafe.com/showthread.php?t=12661 (double click on link)
I used a wood Drill bit Flat 1"
2400
On the top corner of the front of the box that sits right under the gas tank there is a flat area on approximately a 15 degree angle. Drill three 1" holes in this area. Take your time and drill slow to achieve clean unjagged holes for the purpose of plugging the holes should you want to reduce the amount of air or return the box to stock.
2401 2402
(One hole plugged)
For totally plugging up the holes you will need 1" Nylon plugs. You can get them from most any hardware store. For the purpose of reducing the holes in the box to a 5/8" hole you can drill the 1" Nylon plug with a 5/8" flat drill bit to reduce the size of the 1" hole thus reducing the amount of air flowing through the box by 3/8" per hole. You can also buy a 5/8 " plug to close the hole off altogether if you so desire.
2403
Installing the plugs: There is just enough room for you to reach your hand under the tank and install these plugs where you want them. However, in order to remove them you will have to take the lid of the OEM box off to reach to the other side to push them out. To achieve the settings that best work for your bike, I would suggest starting out with all three holes open. Then install plugs one at a time and ride :choppersmthe bike (warming the bike) before making additonal adjustments. Please keep in mind there is a limited amount of air that can flow through the carburator.:cheers:
W. "Howard" King
Gretna, VA.
http://www.vtxcafe.com/showthread.php?t=12661 (double click on link)
I used a wood Drill bit Flat 1"
2400
On the top corner of the front of the box that sits right under the gas tank there is a flat area on approximately a 15 degree angle. Drill three 1" holes in this area. Take your time and drill slow to achieve clean unjagged holes for the purpose of plugging the holes should you want to reduce the amount of air or return the box to stock.
2401 2402
(One hole plugged)
For totally plugging up the holes you will need 1" Nylon plugs. You can get them from most any hardware store. For the purpose of reducing the holes in the box to a 5/8" hole you can drill the 1" Nylon plug with a 5/8" flat drill bit to reduce the size of the 1" hole thus reducing the amount of air flowing through the box by 3/8" per hole. You can also buy a 5/8 " plug to close the hole off altogether if you so desire.
2403
Installing the plugs: There is just enough room for you to reach your hand under the tank and install these plugs where you want them. However, in order to remove them you will have to take the lid of the OEM box off to reach to the other side to push them out. To achieve the settings that best work for your bike, I would suggest starting out with all three holes open. Then install plugs one at a time and ride :choppersmthe bike (warming the bike) before making additonal adjustments. Please keep in mind there is a limited amount of air that can flow through the carburator.:cheers:
W. "Howard" King
Gretna, VA.