air box

I wanted to understand the differences in flow for various intake options. So I have setup a simple experiment to compare the stock XS650E airbox to UNI pods and a few other configurations. The “flow bench” is made using an old anemometer and a “wind tunnel” out of PVC pipes that closely matched...

Black side covers off an '83 heritage, all in decent shape, also have factory air boxes came off '83 Located in CA, 92584 Make me an offer 9515913017

Found this picture while I was looking for something else, when I did the build I had to wait for some parts, so while waiting, I made the decision to media blast and paint the old air boxes. Using 5mm thick foam with an adhesive side I made a template for the new seals, cut strips of the foam...

On my stock '75 XS650, a bolt is stuck but spinning freely. It's the lower bolt that the left airbox mounts to the battery box. This means I cannot remove the left airbox, which makes removing the left carb nearly impossible. The thing is, that spot is very awkward. The rear of the bolt isn't...

Has anybody modified the stock air boxes to get more air flowing? Mine just have some holes in the back to let the air in(77), seems pretty restrictive.