| Author | Message | ||
     Jerseyguy |
I just got my XB12 airbox cover from Tilley's today with some stickers as well. Thanks Brian! I've read the posts on this subject & If I got it right, the 12's cover with no holes is just slightly better than the stock 9 with a mess of little holes in it. This assumes K&N, race ECM, no snorkle, and a Drummer can. I'm looking at these two lumps of plastic & wondering where the magic is as they don't look that different. Not that I doubt the results, but I'm just trying to figure it out. I'm an engineer (God help me) and I can't help myself. The main difference as far as I can tell is that the area right above where the cover seals on the top of the K&N is now a few inches lower than stock making it even with the top of the K&N. It also has a small inverted cone on this surface that points down toward the velocity stack. The stock cover has a raised dome in this position. The 12 cover is sealed to the lower mount exactly as the 9 cover and has no addional openings for air to get in. It seems like an attempt is being made to up the velocity and not necessarily the volume. I'm hoping there is someone here smarter than me who can explain what's going on. Steve | ||
| Blazinbueller13 |
Oh yeah, thanks for posting this thread. I almost forgot.....THANX Brian, I also recieved my airbox as well! (along with some cool stickers) Man, I could really tell the difference just from swapping that cover. I couldn't believe it!! I have a smile from ear to ear every time I take the bike for a spin! Plus that Streetfighter Seat feels great, nice and comfy! Thanx Again! Chris | ||
| Jerseyguy |
Blazin' - I am so envious! 30 degrees and a foot of snow here. I'm jonsin' to ride & I can't. I gotta go snowboardin' to fulfill my need for speed. Steve | ||
| Stot |
Yup the little cone thing is the magic, it flows the air down into your engine faster and smoother than if there were no cone there. Run a tap and put your finger under it so the water is just touching the side of your finger, see how the water bends? thats what that little bit of plastic in conjunction with the rubber funnel is forcing the air to do, straight down. Cool innit. Realllly gotta get mine.  Cya Stot | ||
| Yellow_xb9s |
What's the price?!? :-) | ||
| Jerseyguy |
Yellow XB- It was around $31 from Tilley's. Steve | ||
| Blazinbueller13 |
Sorry to hear about the snow Jerseyguy, see we don't have that problem down here in Florida. I was born in Jersey, moved down here in 80. been here ever since. And now that I'm into motorcycles....It's great! Ride all year long!  | ||
| Kaese |
I wanted to thank Brian for my XB12 box also. I took out the snorkel and noticed a slight decrease in the bottom end torque, toying with the idea of re-installing it. My XB9box box had 2 inch holes where ever they would fit. Made a lot of noise and revved up quicker. I don’t find myself getting past 5K RPM on very many occasions. I grew up in Kansas City, the extremes of climate. Bopped around in the military (Virginia, Florida, Alaska) for awhile and found that the Kali-fornia is the best for riding. Not to hot, not to cold, and the only time we have to deal with precipitation off and on is from December to mid February. No 100 degree heat and torrential downpours from May till September either, like it is in Florida! edited by kaese on December 09, 2003 | ||
| Wyckedflesh |
Best riding I have ever done was Hawaii. Lived in Honolulu for 8 years 4 of which were spent delivering pizza on two wheels. So you wear a wetsuit some nights to work...hey its all good  | ||
| Dcmortalcoil |
Me also. Thanks Brian. Got the XB12 Box. Didn't install yet. It's 20-40's here in DC. | ||
| Buckinfubba |
jerseyguy It is the cone and your are right. it picks up velocity and creats a swirl that atomizes the air and fuel better so wala...more boom boom... you'll feel a quicker throttle response. It works well with all pipes all filters and all ecm's..... get on you bad motorscooter and ride Brian Tilley hd/buell buckinfubba@hotmaill.com 704-872-3883 edited by buckinfubba on December 10, 2003 | ||
| Prof_stack |
So, how will the XB12 box affect my all-stock XB9S? Will it make a noticeable difference in acceleration at most rpm's? Will the benefit be in the lower, mid, or upper ranges of rpm's? Thanks for the info! Prof | ||
| Buckinfubba |
the benefits are all the way across the power band crisper throttle response! its cheap power increase | ||
| Glitch |
one word... smoooth... | ||
| Austinrider |
I went to the track this weekend, I had put the airbox from a 12 on my machine about a week ago. I noticed I was backfiring/detonating a lot less on the engine deceleration than before. I have a D&D though. still worth every penny for the improvement | ||
| Prof_stack |
Ordered an airbox (w/seal) from my dealer just now. $30.70 before tax. 7-10 working days. Here's the start of the conversation: Me: I'd like to order an airbox for a Buell XB12S. Parts Guy: What year? The parts guy said he wish he knew about the improved air flow earlier because the shop had just run an endurance race with an XB9. So once again BadWeb leads the pack. Thanks guys! | ||
| Buckinfubba |
what year......lawdy lawdy lawdy...... ouch my side is hurting once again........laughing to loud...... not to be a dick....but did you chuckle while you fork your money over..... | ||
| Buelluk |
at least he didn't say what's an XB12S | ||
| Buckinfubba |
I guess I just expect too much out of people getting paid to do a job...If they get paid they should know their job... yeah I know its old school but......maybe it was the right school | ||
| Jerseyguy |
Damn straight Brian. I had to hand my local Buell service manager "Expert" the service bulletin on the bearing recall to get him to believe me. He still hasn't gotten them. I'm gonna pull the wheels and give them to him off the bike so he can't screw up my belt. What's the cost on those bearings anyway? Maybe I should just buy them. Steve | ||
| Buckinfubba |
your price would be $66.96 (4 sealed bearings) I have them if you want them. | ||
| Buelluk |
Brian, How recent was this bearing recall, I have had my S since September 03 , I haven't heard anything from Buell or HD | ||
| Buckinfubba |
not a recall a product program up grade. It depends on when your bike was manufactured. look at the seal on the bearings if its orange you are ok if it is black get the new bearings it is a freebie thru the dealer | ||
| Blackhat |
So 31 bucks or so. What exactly do you get? Trying to decipher the stickers etc..... Is there a part #, to avoid what Prof Stack went through? Blackhat | ||
| Geofg |
If I remember correctly, Buckinfubba said swapping the 9 airbox for the 12 results in an extra 3-4 hp and smoother performance. Not bad for less than $40. -Geof | ||
| Buckinfubba |
the part # is P0215.1AA I have one still in stock and a few more on the way. | ||
| Prof_stack |
An update on my phone ordering of the XB12 airbox: I got the receipt by mail from the dealer and it showed up that they ordered the base plate assembly by mistake. Ho ho ho, merry Xmas! One phone call and all is well, with part P0215.1AA now on its way. Always read the fine print... | ||
| Prof_stack |
Any digital photos of the XB12 airbox available? | ||
| Dasxb9s |
I think I have the drift of this simple modification... but I also realize that changing things that seem simple or of no significance can dramatically alter the dynamics of engine operation... air/exhaust... air/fuel mix... etc... etc... the Point!! I have an 03 XB9S with the factory race kit and no other mods. By changing the air box to one from a XB12... will that effect things related to air fuel mixture that could upset the balance? Will the ECM learn the changes? should different plugs be used? etc... etc... It seems too seamless a way to pick up a few HP... which I would be very happy to gain. any good answers??? THANKS | ||
| Darthane |
Your ECM should be able to pick up the changes. After installing the airbox, go out and ride it at a constant RPM for a while (mine seems to like 4500 RPMs for about 10 minutes or so to reset itself well...freeways are good for this). You should be using different plugs anyways! LOL...I have the Pro-Series ones, but I will be changing to iridium plugs when I come home...in the Blast as well. Don't let people scare you, changing the rear plug on a XB isn't nearly as bad as it looks on paper. |
