I have a 1980 honda cb650 custom, are air filter pods a good idea?
I was thinking of taking out the air box and filter and putting on individual filter pods on the carbs what are the pros and cons of this and what pods do i need particularly for a 1980 honda cb650 custom? Links would be helpful
Meh, it sort of depends. The pro's are that you can remove and clean them easily, and they give an extra tone to the bike. They look better, and you don't have a big air-box sitting there. Cons are that they get wet easily from the weather, and this can effect how your bike runs. Most of the time you also need to re-jet or re-map otherwise the bike will have a lean mixture. I have one currently on my bike, but that's only because it's an old bike and I couldn't get a rubber boot for the air-box. I would have preferred to use the original air-box, but not much I can do. The annoying part with them is just trying to get the mixture set correctly. However, I've noticed no notable power or performance gains from it, but then again I wasn't after that. It does give it a slightly deeper tone after mid RPM's, but that's all. Pretty pointless in my opinion.
You can achieve a deeper tone from removing the snorkel from the stock air-box on alot of bikes, and this will also increase the air-flow. Sometimes you don't even need to re-jet / re-map either.
Look on ebay at the cheap pods, made from a tight wire mesh, if you hold one up to the light you can see right through them, which means all kinds of particles are drawn into your engine until the bores get scratched up enough and your compression disappears. It also means that riding in heavy rain can be an experience as they will let water in too.
On top of that you will need to re-jet (more than once).
It will run better with the airbox. Every time i've come across a 4 cyl bike with individual pods, it runs erratic. The pods will make it run leaner, then you have to mess with jetting to get it to run as good as it did before you messed with it. If, on the other hand, you want it to look cool regardless of how good it runs, then pods are the way to go!
Pods are so-so on in-line 4s, the inner two cylinders run a bit warmer than the outer two and need to have the burn/jetting adjusted for that or use different exteriors that aren't as free of flow because more air is circulating around them. (guess that's why air boxes were invented to begin with, F-ing engineers think they know everything).
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