Toomey T-5 Perfect Jetting Kit

[bigblockbanshee]

First and foremost I did a search and didn't come up with anything on one of their "Perfect Jetting Kits". Second, my motor isn't even together yet so I'm open to any and all suggestions and opinions. Ok now to get down to business...

 

I'm getting close to cranking my new motor over and I want to have the jetting as close as can be, obviously, but I have some questions on the Toomey Perfect Jetting Kits. I have done a Google search and have read a lot of really good things about the kits but I have also read about a lot of people running their own jetting specs. So what I have is your typical .50mm-over unported, stock-stroke engine with 22cc domes (for now), Rad Valves with dual-stage Power Reeds, T-5s, Toomey foam air filter with airbox lid AND snorkel on, and stock 26mm carbs. I'm not really concerned about the performance of it, hence the lid and snorkel. I'm sure it will have gobs of power as it is. So where do begin? I will be starting it for the first time in a few weeks depending on when my other parts arrive and I can get it together, so it will probably be anywhere from 20-40 degrees outside. As you probably know the Toomey kits don't come with a whole lot, just needles and 2 sets of main jets (270s and 280s). If you need any additional info feel free to ask as I'm on here quite a bit lately so I can reply ASAP. Also my elevation at home here is about 1800 but where I'll be riding is anywhere from 1500-3500. So again, where do I start?

[wacko2000]

stock pilot 260-280 main, needle in the middle

Do you ride lots of water and mud?? Just wondering why you are keep the lid AND snorkel on??

[bigblockbanshee]

Well there will be a fair amount of mud and water both on any given day. I plan to try to steer clear of it but where I ride conditions can change in mere minutes and I may not be able to avoid getting in water or mud if they do change. I'd just rather be prepared and not have to worry about it than not. Is that kinda one of the first things that you throw out in the yard when you get a Banshee lol?

[camatv]

the snorkel holds them back SOOOOOOOOOOOOO much. you can keep the lid and just cut the insides of it and where the snorkel goes on i have done that a few times it works well. unless you are splashing through water so deep that you really shouldnt even be there int he first place. i'd ditch them both and run a nice bolt on plate or modded stock plate. i look at banshees as the corvette of the atv world and would you drive a vette into the lake?

[bigblockbanshee]

Lol well you've got a point there. I would drive the 'vette TO the lake but not in it lol. Ok so say I run the with the snorkel off then. How bout those little 1" airbox vents? I got 12 of them with my foam filter but I'd rather get another lid that's in rough/ok condition to hack up rather than cutting up my original one. And where do these individual mods leave me with the jetting such as the removal of the snorkel and/or lid? I know that by the time I remove one or both I'll probably be pushing the limits of the Perfect Kit won't I?

Edited December 27, 2010 by bigblockbanshee

[dirtydownunder]

hah you didnt read that piece or paper that came with the jet kit did you ?

the toomey kit if for close to sea level at around 60f with the snorkel off, lid on and with the 12 1" filtered holes through out the box and lid.

 

"The #270 Jet is for operation higher than 2500 feet in altitude. The 280 is the sea level setting up through 2500 feet. On particularly cold days or at very low altitudes (winter in Glamis, CA) you may need a #290 or #300. Conversly, at high alitudes, above 3000 feet you may need a 260, 250 or even less depending on how high you are and how hot it is. We haven't tested at these altitudes, so any recomendation from me would just be a guess. You would do far better to test it yourself when you are there."

 

if you remove the lid all together, you will need to jet up.

 

i run no lid with heaps of holes in my air box and i smash through water. (not knee deep puddles haha )

 

difference between a vette and a shee, is that ill ride the banshee out, the vette stays in

[bigblockbanshee]

Honestly, I remember reading it somewhere but all I can find right now are the papers for my idle kit and TORS kit that I bought from them which leads me to believe that I didn't get any papers with the kit. I purchased all of this separately as the pipes and jetting kit were already on the bike when I bought it. I hadn't yet torn into the carbs when I ordered my new jetting kit from them so now I have two. That being said I'm not sure I would've gotten any papers unless I ordered it all together but I could be wrong.

[dirtydownunder]

here it is anyway... http://www.toomey.com/html/t5-inst.htm

let us know how you go.

[bigblockbanshee]

Ok I've got one more question about this kit. Why do they use the stock pilots but go up to a 270+ main?

[dirtydownunder]

coz they can, im running 330 mains with stock pilots, with 1 turn on the air screw. when i throw the 340-350's in ill put the 27.5 pilots in.