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Old 11-25-2009, 03:50 PM
K.i.p's Avatar
K.i.p K.i.p is offline
Motorized Bicycle Elite Member
Join Date: Nov 2009
Location: CNY
Posts: 340
Post off set manifold, custom air filter

Just thought I would post some pics of my work. I fabricated an off set intake manifold to solve a throttle interference issue. I then ran into some trouble fitting the stock filter next to the down tube. I took a leap, did some math using pi*r-squared and made my own filter housing. The carb orifice is 5/8" and the total of the stock filter's four tubes worked out to be just a little more than that. I bored my housing to around 3/4" to compensate for the resistance of a filter element. I will be cutting up a piece of green foam to put inside. This is not a true velocity stack but I thought the bell mouth would add character and age to the filter.
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File Type: jpg bike parts_11_23_09.jpg (173.6 KB, 270 views)
File Type: jpg 1.JPG (94.9 KB, 176 views)
File Type: jpg 2.JPG (170.1 KB, 235 views)
File Type: jpg 4.JPG (200.8 KB, 225 views)
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