KX Riders
Maintenance & Technical => KX500 Original => Topic started by: reklessj on September 05, 2014, 12:44:10 PM
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Wondering what everyone's opinion is on which air filter is better, UniFilter or TwinAir? Also does anyone have any experience with PC Racing filter sealing ring (good or bad)?
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Yes....
http://www.oem-cycle.com/forum/viewtopic.php?f=39&t=188 (http://www.oem-cycle.com/forum/viewtopic.php?f=39&t=188)
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Thanks sandblaster ordered it and a new twinair. I was taking my no toil off for its first wash wasn't even dirty and the seam pulled apart when my hand bumped it reaching in my airbox. Tried to put pics on per the threads on here wish I could figure it out so you all could see what a dud filter I got from no toil (very disappointed) :x
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Never had that problem with no toil, i would call em and complain. I get them for about $12 and would rather just replace than clean for that price.
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Uni for me
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Never had that problem with no toil, i would call em and complain. I get them for about $12 and would rather just replace than clean for that price.
+1
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Never had that problem with no toil, i would call em and complain. I get them for about $12 and would rather just replace than clean for that price.
Yeah i was getting em for 14 so my plan was to replace rather than clean! Not so now to many other options. I will deal with cleaning em now. My boy was telling me to go unifilter, hope I didn't go wrong with twin air. :?
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Twin Air is a good filter, just a little more money.
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I ran twin air for a while on my KTM. I now run .....
(http://i208.photobucket.com/albums/bb275/Motorrad2/Mobile%20Uploads/Filter.bmp_1.jpeg) (http://s208.photobucket.com/user/Motorrad2/media/Mobile%20Uploads/Filter.bmp_1.jpeg.html)
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Twin-Air only since the mid 80's...I'd never use anything else.
I don't waste time cleaning them either...I just run new ones each time.
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Yes....
http://www.oem-cycle.com/forum/viewtopic.php?f=39&t=188 (http://www.oem-cycle.com/forum/viewtopic.php?f=39&t=188)
Good tip, I just ordered one of these. When I bought my bike, I was pissed because the carb boot was full of crap. I noticed the last time I cleaned my air filter (after going desert riding) that there was a lot of dirt past the filter, and I clean my filters meticulously after every ride.
I'm going to check really good for any other issues like cracks, too.
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Twin Air only for me. And no bio.
Was the first foam air filter like we al use them today.
Invented only a mile from were I work :mrgreen:
Dutchie
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Yes....
http://www.oem-cycle.com/forum/viewtopic.php?f=39&t=188 (http://www.oem-cycle.com/forum/viewtopic.php?f=39&t=188)
Good tip, I just ordered one of these. When I bought my bike, I was pissed because the carb boot was full of crap. I noticed the last time I cleaned my air filter (after going desert riding) that there was a lot of dirt past the filter, and I clean my filters meticulously after every ride.
I'm going to check really good for any other issues like cracks, too.
Also look for how well the boot is sealed to the air box.
I had a bad one and it drove me insane until I figured out what the problem was...
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Twin air for me. Their quality and racer support program is top notch.
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I have used twin air and uni with no problems from either. Clean them correctly and oil them correctly and I am sure you will be happy.
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I use funnel web filters on my kx 450 for desert racing has a rubber ring on the back seals nice not cheap so I clean them
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Also look for how well the boot is sealed to the air box.
I had a bad one and it drove me insane until I figured out what the problem was...
Will do, thank you. :-)
What's the best way to seal it? I figured it probably has a gasket of some kind between the duct and the plate or the duct and the air box holder, but I didn't see anything in any of the parts diagrams. Should I just take the assembly apart, clean it, and put it back together? I just went out and looked at it, and there isn't any obvious gaps or indication that any dirt is getting past there, but it may be hard to tell until I take it apart.
I know that silicon is not good with gas, do you recommend anything between the plate and the rubber duct, or just clean it and put it back together?
Thanks for any info.
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I sealed up mine with
(http://www.all-spec.com/images/product/permatex/82180.jpg)
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I sealed up mine with
(http://www.all-spec.com/images/product/permatex/82180.jpg)
Perfect, I have a bunch of that lying around.
Thank you, sir!
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I did mine with permatex blue! No sign of leaks just did it to be safe!!
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I just rub duck butter all over mine. Cheap and effective :lol:
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Speaking of Ducks..
(https://i.ytimg.com/vi/ePFSQw4jaFc/mqdefault.jpg)
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I just rub duck butter all over mine. Cheap and effective :lol:
How do you squeese these in between the plate and the air box without making a mess? :-D
(https://tex.org/wp-content/uploads/2014/01/duck-butter-sculptures.jpg)
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Just finished this up yesterday. Pulled the airbox apart, put a nice bead of rtv around the junction of the round plastic air filter holder and the rubber boot, and put in the Pro Seal air filter gasket. Hopefully that will help keep things more clean.
I am wondering also if I'm using enough air filter oil. I suspect that I am, as I've been riding off and on since the 80's and never had an issue with dirt past the air filter of my recent two bikes, a YZ426 and a YZ450. I'm hoping I had a leak that the rtv sealed up.
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Wow, what a difference. Some time back I bought an air box cover for cleaning (pic below, keeps the air filter from getting all wet). One day, after washing, I checked my air box boot and there was a lot of water in there, enough that I was a little bit worried that some might have gotten in the carb. I dried it out and everything was fine.
After sealing my air box up with rtv and installing the Pro Seal gasket, I put the cover on and turned the airbox/subframe upside down (carb boot facing up) and filled it up with water. I only had a drop every second or so coming from the bolt hole of the No Toil cover, nothing else. So, I definitely had a big leak, which explains why I had a lot of dust and dirt past the filter.
Good maintenance move. Thanks for everyone's tips, advice and part numbers.
(http://images.motorcycle-superstore.com/productimages/300/0000-no-toil-air-box-cover.jpg)
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Glad you got it sorted out.
Another often overlooked maintenance area is greasing all your chassis bearings, axles, and swing arm pivot pin.
Got a bike in yesterday because the owner couldn't get the axles out and his swing arm was clunking and squeaking.
We see that a lot...
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Glad you got it sorted out.
Another often overlooked maintenance area is greasing all your chassis bearings, axles, and swing arm pivot pin.
Got a bike in yesterday because the owner couldn't get the axles out and his swing arm was clunking and squeaking.
We see that a lot...
Agreed. I borrowed a nice Motion Pro bearing tool from a buddy at work and redoing all of my bearings was a breeze. It's not a cheap kit, but I'll probably buy one the next time I do it. I just replaced all of my bearings other than the steering stem bearing (did regrease that one) in the last month or two.
How often do you like to grease or replace your bearings?
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Depends on where and how you ride.
I probably average about once a year but I don't ride like some of the guys here do.
It's almost impossible to do it too often.
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How often do you like to regrease replace your bearings?
I'll do the linkage mandatory over the winter months...(I actually have the new bearings for my 250 sitting on my bench now)...and I'll change the upper/lower shock bearings 2-3 times a year.
one of the key things to avoid, is heavy use of soap and degreasers when washing your bike...that stuff DOES find it's way into the bearings and wipes em out quickly....and of course keeping the pressure washer away from the linkage.
just following these simple things can add substantial life to your bearings.
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Thanks for your input, gentlemen.