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Post by jaydee88 on May 11, 2006 15:19:18 GMT -5
Anyone using a uni type foam filter? Do they require filter oil? I am getting a MRP filter since I can't locate a stock replacement for my scoot.
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Post by medman1952 on May 11, 2006 20:24:53 GMT -5
If you read the directions on the package I'm sure you will find that oil is required. Foam filters don't filter very well without something to make the dirt stick.
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Post by jaydee88 on May 12, 2006 12:23:11 GMT -5
Should I be able to find this oil locally (auto parts store or motorcycle dealer)?
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Post by Admin on May 12, 2006 12:29:42 GMT -5
Any motor oil will do. It doesn't take much. Squeeze out the excess. You just want it to be slightly damp.
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Post by Aaron on May 12, 2006 21:18:54 GMT -5
Is just a air filter mod going to cause carb-jet size issues of does it take filter and pipe before you worry?
Aaron
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Post by Admin on May 12, 2006 22:19:59 GMT -5
Very good question. I'm not going to pretend to have all the answers but the thing I've learned along the way, is that when you start messing with air and fuel, you have got to keep the mix in balance. Depending on your scoot, you might be able to install a filter with no further mods. If you install a more free flowing filter, you could end up with too lean a mix (too much air, not enough fuel). Running this way for too long can burn a hole right through your piston. The only way to check this is by doing plug reads. You remove your plug and examine the color. If you can find the NGK website, they have a section which shows the colors that give the information. If your plug tip shows white or light grey, you are running too lean and will need to adjust your carb accordingly. Maybe you will need to install larger jets. It's all aout balance. If you are happy with the way your scoot runs, I'd say leave it alone unless you are wanting to get into a lot of work. Cheers.....
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Post by fredgold52 on May 17, 2006 22:19:12 GMT -5
I put a Uni filter on my Stella and had to do some serious upjetting. About 4 point up from where it was with the stock filter.
Also, I'd use oil designed for foam air filters like K&N air filter oil. It works very well and is easy to clean out of the filter when it gets dirty. Regular motor oil is lots better than nothing, but the oils designed for this purpose work best IMO.
If you put a Uni on the front end and a good pipe on the back end, jetting should be looked at, both for good performance and for engine life.
Check Dennis Kirk for a good selection of Uni's
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Post by Admin on May 18, 2006 12:47:18 GMT -5
Who is Dennis Kirk?
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Post by Jacine on May 18, 2006 15:29:34 GMT -5
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Post by surfbum96818 on Jun 11, 2006 3:27:54 GMT -5
Hey Dawg I have a question I was considering doing a filter change on my SUN L and thought about Cutting the stock intake hose that goes to the breather box and turning it to face out from under the body panel. Then I saw on your site where I BELIEVE you have done just that to your UM am I correct and did you have to use any additional bracing or is the hose stiff enough that once you rotate it it will stay in place?  |
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Post by Admin on Jun 11, 2006 10:17:09 GMT -5
Yes, that is what I did. I had to use a silicone adhesive/sealant to keep the filter on the hose. Keep in mind that if you replace the filter only that you might run too lean. Modifications that involve air/fuel mix need to be monitored to make sure the mix is in balance.
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Post by surfbum96818 on Jun 11, 2006 14:25:46 GMT -5
Okay not a prob. I am going to post a new thread with a question about running lean will you please check it out.
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