'99350t Posted August 27, 2007 Report Share Posted August 27, 2007 (edited) whats the best way to check if my pilots are the right size? this is stumping me: i got 2 banshee, one that is all stock except for fatty pipes and t3 silencers, running 280 main, 30 pilot and stock needle and air screw. then i got another one that has some pretty wild porting done to it, noss head, t5 exhaust, toomey 2into1 filter, stock carbs bored out, v3 reeds and some modified vitos pistons running a 350 main 27.5 pilot, vito's needles in the 3 position and it seems awfully dead on low end and is hard to start when warm, sounds rich doesnt it? i had a 30 pilot and it ran crappy, went down to a 27.5 and it ran alittle better, stock just seems too small doesn't it? (25) also it doesnt "pop" anymore when i slow down, like on the road. when the idel comes down when i let off the throttle they are supposed to go like "ding ding ding ding" now it just goes "MMMMMM" like the rolling tires is the only thing keeping it running but if i pull the clutch in it wont die, always, but sometimes will. please help Edited August 27, 2007 by '99350t Quote Link to comment Share on other sites More sharing options...
Snopczynski Posted August 27, 2007 Report Share Posted August 27, 2007 When its hard to start, if you give it full throttle does it seem to start easier, or even harder? Quote Link to comment Share on other sites More sharing options...
'99350t Posted August 27, 2007 Author Report Share Posted August 27, 2007 When its hard to start, if you give it full throttle does it seem to start easier, or even harder? i know when i give it alittle bit of gas its easier, i havn't tried WOT Quote Link to comment Share on other sites More sharing options...
Snopczynski Posted August 28, 2007 Report Share Posted August 28, 2007 That means it is rich usually, your letting more air in to help ignite the fuel charge. Quote Link to comment Share on other sites More sharing options...
'99350t Posted August 28, 2007 Author Report Share Posted August 28, 2007 that means my pilots are rich then? i can't beleive with them mods its going to need a stock pilot when my other bansh has #30?? this is stumping me, thanks though! Quote Link to comment Share on other sites More sharing options...
jbooker82 Posted August 28, 2007 Report Share Posted August 28, 2007 If your less than 1 turn out on the air screw you need a larger pilot If your more than 3 turns out on the air screw you need a smaller pilot. Quote Link to comment Share on other sites More sharing options...
'99350t Posted August 28, 2007 Author Report Share Posted August 28, 2007 If your less than 1 turn out on the air screw you need a larger pilotIf your more than 3 turns out on the air screw you need a smaller pilot. iam about 1.5-2 turns out Quote Link to comment Share on other sites More sharing options...
Bansh-eman Posted August 29, 2007 Report Share Posted August 29, 2007 what notch is your needle sitting on? and what needle are you running? Quote Link to comment Share on other sites More sharing options...
Yaxy Posted August 30, 2007 Report Share Posted August 30, 2007 Jetting can be funny. Like yourself I have two shees with incsonsistant jetting. Both quads have same porting 28 FS milkuni,s v-force, heads, yada yada RZ shee with Rockets #15 pilot 340 Main Shee with FMF #20 pilots 290 Main. Both quads with this jetting have exceptional low end and throttle response!!! To he honest if Mikuni made a #17.5 pilot it would be installed in both bikes Ok, Lets think about this. Q1 Are carbs in sync? Are the correct slides in the right carb? If not do this first!!!!! Do cables first then idle screws Q2 When quad starts does it idle smoothly? or spit and sputter and foul plugs? If idels rough turn air screw out 2 turns, If better your pilot may be to rich, but see Q3 first. Q3. If idle seems ok do this. Drive around in 2nd gear and almost bring quad to a stall, and apply fully throttle. If goes BLAAH turn in air screws all the way. Repeat test if you get the BLAAH again your pilot is to lean or you may have your needle clip pos to lean. If the BLAAH is gone you most likely have the correct pilot. Turn air screws to one turn out then you ok. Don't be alarmed due to jet sizes, every motor is different and reacts different to mods. Chris Quote Link to comment Share on other sites More sharing options...
'99350t Posted August 31, 2007 Author Report Share Posted August 31, 2007 ok thanks a bunch guys, how do i tell if the slides are in the wrong carbs, i've herd of this problem before? i run vitos needles in the third position, 4th was too rich (from top down) i will try to switch slides around, then try the putting around in 2nd gear trick, thanks again! Quote Link to comment Share on other sites More sharing options...
Yaxy Posted August 31, 2007 Report Share Posted August 31, 2007 There is a window on each carb and on the slide there is spot/indentation that needs to line up with this window when the slide is installed. Once you look at the carb slides and find this mark and then look at where the carb window is it is pretty self explanatory which slide goes where. Chris Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.