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Buell Forum » THUMPer Forum » Buell Blast Thumper Knowledge Vault » Engine - all topics related to the Motor » Engine - Carburetion & Intake » Pro series air cleaner w/stock exhaust « Previous Next »

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Nytrashman
Posted on Wednesday, September 27, 2006 - 05:32 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

i need to replace the air filter on my 05 blast. if i get a pro series air cleaner and continue to use the stock exhaust will i need to rejet the carb?

what about a K&N drop in replacement filter, are they any good?

sorry for all the newbie questions i've been asking. i just got the bike and am still trying to figure out everything. this weekend i am going to change the oil (amsoil 20-50/Purolator L14476) put a new plug in (NGK DCPR9E) and i wanted to replace the air filter. hopefully my sport bike bars will be here along with the tractions grips i ordered from DaveS so i can install them as well.



thanks again to all who have answered my previous questions, i appreciate it.

George
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Flrider7
Posted on Wednesday, September 27, 2006 - 06:06 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

A lot of people seem to use the Pro series air filter system at the risk of tearing their intake boots!! I have an aftermarket exhaust and jet kit and use the more reliable stock air box and filter. The drop in K&N would be a good option, but someone else needs to tell you if you need to re jet or not using the K&N drop in and stock pipe. The stock air box is already pretty wide open compared to most motorcycles. The stock air box supports your carburetor, unlike the Pro series which you can read about in another post.
Mine is reliable and powerful the way it is. The stock filter can be cleaned with soap and water by the way! I'm still using the original one.
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Flrider7
Posted on Wednesday, September 27, 2006 - 06:11 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Wait a minute! Yours is an 05 with only 2500 miles?!? You just need to clean your filter in soap and water, and let it dry!
Soak it overnight if it is that bad.
Unless you ride through a coal mine everyday you don't need to replace the filter yet.
The service manual calls to replace it at 30,000 miles!
Hopefully this will save you some money.
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Nytrashman
Posted on Wednesday, September 27, 2006 - 12:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

wow, thanks alot for the info. the previous owner has the service manual for the bike but forgot to give it to me when i bought it. he is going to mail it to me this week so untill i get it i will be asking some dumb questions. since i have some laundry to do anyway I might just as well throw the filter in the wash with my cloths.......LOL
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Ezblast
Posted on Wednesday, September 27, 2006 - 12:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Leave the stock filter alone - it can not be cleaned - only replaced - the K&N is a good replacement, you could also do various airbox mods for better breathing as well - see the TKV Engine Procedures section.
GT - JBOTDS! EZ
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Nytrashman
Posted on Wednesday, September 27, 2006 - 03:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

now you have me confussed, wash or no wash? looks like a paper element to me, but what do i know.
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Ezblast
Posted on Wednesday, September 27, 2006 - 03:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Its paper - he was refering to washing a K&N.
GT - JBOTDS! EZ
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Flrider7
Posted on Wednesday, September 27, 2006 - 06:43 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Now I'm confused! According to the Buell Blast manual (2002 for me anyway) on page 1-28 at the top right corner, it says to "wash the filter element in warm soapy water. To remove soot and carbon, soak element for 30 minutes in warm water with mild detergent".
Mine is a "paper-esq" filter with a mesh wire screen over it. The paper is white (most of the time) the rubber base is blue and says Buell in white on it, and I have done this several times with fantastic results. It does warn against using compressed air to clean it.
My air box is kind of warped, so I actually get a little unscreened air as well since the top corner doesn't close all the way.
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Nytrashman
Posted on Wednesday, September 27, 2006 - 06:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

gotta ya EZ, new K&N is on the way. one more question if you guys don't mind. the bike runs good when it is warmed up (like most singles it seems to be cold blooded and takes awhile to warm up) but even then it still has a slight miss to it. i was thinking maybe the plug needs to be replaced along with ckecking the timing. i wasn't able to locate a NGK plug today but i ordered a couple and should have them in a day or two. i'm not sure how to check the timing but as soon as i get the service manual i'll have to check it.
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Swampy
Posted on Wednesday, September 27, 2006 - 09:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Before you go checking the timing.....

rejet the carburetor!

The Blast likes to run rich, not fouled out but on the rich side of common sense. It will start and run much smoother.

165 or 170 main jet, and a 45 primary.
Shim the needle .050 and turn the idle mixture screw out 2 1/2~3 turns.

A stock Blast will love you for making those improvements and it should run just fine with a Pro Series intake with a stock exhaust. You will notice most improvement for your buck by installing the carb jets, less than $10. But an aftermarket exhaust is probably you best first Major improvement.
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Nytrashman
Posted on Thursday, September 28, 2006 - 04:55 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

thanks Swampy but you might as well have been speaking greek to me. i am sure i can replace the main & primary jet (at least i think i can) but i have no idea how to shim the needle, nor do i know where the idle mixture screw is. i'm sure i can figure it out though as i have adjusted many carbs on lawn equipment before. i really wish i had the service manual for the bike to at least point me in the right direction as far as which is the main and which is the primary jets. where do i get these jets, from Buell? what do i shim the needle with and what the heck does the needle look like? right now i do not want to go with an aftermarket exhaust, i pefer the bike to be quiet and not draw the attention of any LEO's. right down the street from me is a place called B&H cycles and they only work on Harley's/V- twins, perhaps i should talk to them about rejeting the carb. i really would like to do it myself so i learn more about the bike but without the service manual or someone to lend a helping hand i am not so sure about doing this. perhaps my son in law can help. he has been riding dirt bikes for over 20 years so maybe he knows something about carbs. thanks again and i'll let you guys know how i make out.

George
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Nytrashman
Posted on Thursday, September 28, 2006 - 05:44 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

forgot one other thing........instead of going with the pro series intake i have ordered a K&N drop in replacement filter (http://www.knfilters.com/search/product.aspx?Prod=BU-5000) for my bike. will rejetting the carb as advised by Swampy work alright with this air filter or should differant size jets be used since i am not using the pro series intake?
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Ezblast
Posted on Thursday, September 28, 2006 - 11:33 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Yes - and check out air box modifications you can do in the TKV - she'll be chuffing in no time. - lol
GT - JBOTDS! EZ
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Ezblast
Posted on Thursday, September 28, 2006 - 04:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Note - you can wash the stock filter as well, lol
GT - JBOTDS! EZ
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Flrider7
Posted on Thursday, September 28, 2006 - 07:11 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Thanks for confirming that EZblast! I was starting to think I was seeing things,....again.
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Swampy
Posted on Thursday, September 28, 2006 - 07:37 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Nytrashman,
You should have no problems running any of the combinations, it will all work.
The carb jetting is not all that hard to do, so just do it! Your Blast will thank you for it. Here is a link on modifying the CV carb:

http://www.nightrider.com/biketech/hd_cv_mods.htm

The needle shims are probably the most difficult thing to find, you may have to do some rummaging around at a hardware store, I just used some small crimp on eye connections with the crimp cut off, and the remaining washer smoothed out. It came out to .047, close enough.

The most difficult proceedure is getting the diaphragm seated in the groove properly. I seat the diaphragm in the back side of the groove cut into the carb and start gently pushing down with the cover, then I take a 6 inch steel rule(Because its flat)and push the remaining diaphragm into the groove from the front side of the carb, when you get it right, the cover sort of slips into place.

At all costs avoid using too much downward pressure, or just run the screws into the cover as you will pinch the diaphragm and the carb will not work right. If you pinch and puncture the diaphragm you will need to buy a new slide assembly and they go in the $50+ range. Gentle pressure, don't get in a hurry and you will fast become an expert at it.
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