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As I keep inspecting this new bike I got I'm noticing new things each time I inspect it. One is that it has no air filters... I'd like to throw some on there (unless you think they are not necessary) but I'm worried about messing up the jetting because right now everything is so perfect. I'm thinkin if I throw some on there it should be as free/high flowing as possible. Any recommendations for an airfilter that 1. will fit the cb200, 2. that have a lot of airflow as to not effect anything else too much, and 3. that is affordable.
Air filters are absolutely necessary! Road grit is nearly so fine you cannot see it and only occasionally feel it. It is so abrasive it will prematurely eat up your cylinders and rings. It will eat up everything in a 2-stroke. Your pictures show covers that are formed to clear a tube from the carb to the air filter. K & N makes conical elements that could be joined to your carb. That is just one idea.
Air filter(s) may alter your mixture so you may have to adjust. No biggie. Just a PITA!
Karl
Unless the PO of your bike spent hours upon hours rejetting for the wide open intake, then air filters will actually make your bike run BETTER. Chances are, the stock filters rotted away and were tossed in the trash, and it was ran like that until parked/sold. Don't skimp on air filters - even the most expensive are cheaper than a top end rebuild.
Yeah everyone is recommending K&N I'll definitely go with some of those, does anyone know what diameter I need? The trick will be it has to go around the frame and into the side covers, unless I take those off. Like this guy did:
Check out UNI foam filters. Cheap and flexible. Measure the carb where the filter clamps on.
You might want to explore replacing the stock airbox, but a proper pod filter will do well. I run 6" long UNI filters on my XS650 race motor and love them.
Ya, that would be Stik70. Great bike - ran it in the Lake Erie Loop.
But I agree with Tim - Uni filters are by far more mounting friendly than K&N. Have you checked eBay for the rubber tubes that go between the stock carbs and air filters?
I measured the carb and it was a little over one inch so I'm guessing it's the 32mm's.
K&N's look super nice, but foam might be the easiest route because it will just bend around the frame. Now the only problem is finding a big foam filter in that size, most are pretty small.
I'm having a hard time finding tubes that would connect the carbs to air filters, I don't know what to search I guess.
While on eBay however I did spot these bad boys: http://goo.gl/b5IWv
I'm going to watch them and see if the reserve is met, I wonder what it's set at...
Napa carries an emission control duct hose that is non collapsible and semi rigid. Simply cut it to length and clamp to your carbs. Depending on what air filter you use, you may have to make an adapter to go from the hose to the filter. A pvc reducer coupling will do the trick (find it in the plumbing section of your hardware store).
Alright dudes, I asked and that ebay seller said those airboxes's reserve was set at 25 bucks. So it'd be about the same to go back to stock instead of pods. What do you think? I'm leaning more towards stock.
http://www.ebay.com/itm/221073738710?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649&autorefresh=true#ht_500wt_1413
you could always put long enough metal tubes between the carbs and the airfilters to clear the frame. I bet this would change the power band around a bit to provide more low end torque.
I would have to say stock will most always make the motor run better if you don't plan on rejetting. That said airbox are usually pretty ugly so i always say pods and rejet to compensate for increased air flow.
As a stop gap you can get/ borrow/steal off a washing line, some tights (pantyhose?) and double them up and put them over the inlets held with zip ties or elastic bands. At least that will protect the engine from crap in the mean time.
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