endofitall9 Posted February 22, 2007 Report Posted February 22, 2007 Alright guys my banshee has 157 psi in each cylinder great spark good fuel. I can go out there in the snow start it, no problem after months of not riding just choke and it starts but after I ride it for awhile. It gets warmed up and won't start worth a shit! It started this during the end of last summer when I went to a 2 into 1 graydon with a 35mm pwk it has 162 mains, 45 pilots, and the airscrew is 2 truns out. I've searched but can't find what the deal is It takes about 20 kicks to get it started when its warm. it pulls great the plug are a little on the rich just a darker brown but thats it I'm stumped also I forgot to mention i bumped the pilot up to a 45 and this was going from a 25 still no difference just made it really easy to start when cold still the same starting issues when hot! any info would be great let me know. Quote
dajogejr Posted February 22, 2007 Report Posted February 22, 2007 Electrical problem sounds like.... Quote
endofitall9 Posted February 22, 2007 Author Report Posted February 22, 2007 I've got a cut harness just re-wried recently took out everything that isn't needed. i narrowed that out! it has to be the carbs you can throw the stocker back on they have 310 main and stock pilots and it runs perfect no hard starting problems.I just don't understand whats causing it I've searched on here but noone has had any probs like this as far as searching goes. Should I take the pilot down I know that would make it harder to start cold but that would not give it so much gas when warm..I don't have any flooding problems. this saturday everyone is going on a big ride here in wv so I thought I would get her out and dialed in. I don't really want to run the stockers..........I'm stumped! Quote
dajogejr Posted February 22, 2007 Report Posted February 22, 2007 Do you think it's possible the two into one is giving you an air leak? made worse once it warms up? Just a thought..... Quote
endofitall9 Posted February 22, 2007 Author Report Posted February 22, 2007 That has happened when I first got my 2 into I burnt it down because of an airleak when I rebuilt it i sealed it up really tight with gaskets and sealant. the plugs look fine.....it got me stumped its not giving me any signs of what it could be. sometimes when I hold the throttle wide open itl start like the 3rd kick or something ..better than like 20 kicks. maybe the motor just doesnt like the 2 into 1. I just cant see going bigger on the pilot again i mean Ive flooded it once or twice but bigger than a 45 on a mild motor?............. Quote
dajogejr Posted February 22, 2007 Report Posted February 22, 2007 Well...put it in perspective this way. On my 4 mil cub, with twin 35's, I had 48 pilots and 150 mains. That same motor with a single would need 55 or larger pilots, and 180 to 200 main. One carb feeding two cylinders is a big difference in jets. I'd honestly just throw a 55 pilot in there for shit and giggles, also clean the bejezus out of that carb, just to be sure.... It sounds electrical....but, you've already covered that by having it run and start fine with dual carbs....stumped here too!!! Quote
biggun6ss Posted February 22, 2007 Report Posted February 22, 2007 Is the air temp the same as it was when it started easy? If it is warmer outside you may be flooding the motor. You said you can hold the throttle wide open and it starts in 3 kicks. This is something I have always done when the motor is flooded. I would clean that carb out and get it running. After you have warmed it up check the tunning on the carb. If it is tuned for cold weather it won't run the greatest in warm temps. Quote
Snopczynski Posted February 22, 2007 Report Posted February 22, 2007 does the thing seem flooded when it is hard to start? PWK's have a machined needle bore in the aluminum block of the carburetor, when this area wears out it can cause unwanted fuel to be pulled in to the intake and cause a rich condition. The carb has to be relaced if this has happened, there is no brass insert in this area. It sounds like you are jetted very lean to me, compared to what my bike is jetted. I only have a head, reeds and pipe with my 2 into 1 intake. I run like a 48 pilot, 178 main, and the needle is around the middle clip position. I dont have any port work done. Remember once warm, either use no throttle when kicking over, or if flooded hold it wide open while kicking. Dont play around and flutter the throttle while starting it. Only other thing that comes to mind is check your reeds for proper seating to the cages, and check the intake for leaks. Get it started and spray the intake down with brake cleaner or some other flammable aerosol spray. If there is a leak the idle will change. Quote
endofitall9 Posted February 23, 2007 Author Report Posted February 23, 2007 I'll mess around with everything once again Ill throw in a 55 and see what happens hopefully that will fix it I'll also turn the airscrew down .5 to see if that helps it i don't think i have done that yet. I know the jetting is right on up top the plugs say so....besides if it wasn't on it would have already melted down I've road it this way about 10 times with the carb like this and it still pulling strong.... I'll check for airleaks once again.. another thing I have been thinking about is the airfilter just sucking dirt it bad conditions. i am running a pod with no outerwear..... If I get it tuned right I'll definatly fill in the gaps on this thread for people in the future. Also is there anyway I can check to see if the bore on the carb is worn as stated in this thread? that may be a good excuse for an airstryker. :yelrotflmao: Quote
Snopczynski Posted February 23, 2007 Report Posted February 23, 2007 I'll mess around with everything once again Ill throw in a 55 and see what happens hopefully that will fix it I'll also turn the airscrew down .5 to see if that helps it i don't think i have done that yet. I know the jetting is right on up top the plugs say so....besides if it wasn't on it would have already melted down I've road it this way about 10 times with the carb like this and it still pulling strong.... I'll check for airleaks once again.. another thing I have been thinking about is the airfilter just sucking dirt it bad conditions. i am running a pod with no outerwear..... If I get it tuned right I'll definatly fill in the gaps on this thread for people in the future. Also is there anyway I can check to see if the bore on the carb is worn as stated in this thread? that may be a good excuse for an airstryker. :yelrotflmao: take the carb off and drop in the needle, move the needle around and see if it s pretty close to being snug, or if it seems to move around alot. Quote
endofitall9 Posted February 25, 2007 Author Report Posted February 25, 2007 ok I think I may have figured it out...yesterday I cleaned my carb out and took a ride up on my hill and back down and pulled the carb back off..it was filthy So i say that was problem #1 so I pick up a new filter do the same thing it is clean.I keep riding finally I get it nice and warm and shut it off kick kick kick kick it won't start so I'm like WTF finally I just sit there a minute wonder so I give it a couple twists on the throttle and kick it it pings i give it a little more and it starts up.I went riding today and as long as I gave it gas before I kicked it, it would fire up 2nd or 3rd kick I guess its not getting enough gas......ran great today! 8hrs on a tank and a half of gas......and perfect weather....kinda makes me proud to own a banshee! :thumbsup: Quote
Snopczynski Posted February 25, 2007 Report Posted February 25, 2007 ok I think I may have figured it out...yesterday I cleaned my carb out and took a ride up on my hill and back down and pulled the carb back off..it was filthy So i say that was problem #1 so I pick up a new filter do the same thing it is clean.I keep riding finally I get it nice and warm and shut it off kick kick kick kick it won't start so I'm like WTF finally I just sit there a minute wonder so I give it a couple twists on the throttle and kick it it pings i give it a little more and it starts up.I went riding today and as long as I gave it gas before I kicked it, it would fire up 2nd or 3rd kick I guess its not getting enough gas......ran great today! 8hrs on a tank and a half of gas......and perfect weather....kinda makes me proud to own a banshee! :thumbsup: If you have to hold the throttle open, that means it is flooded. It does not have an accelerator pump, so basically opening the throttle is giving it air to burn off the large of amount of fuel in the motor. Quote
endofitall9 Posted February 25, 2007 Author Report Posted February 25, 2007 I didn't say nothing about holding the throttle open I just said I would twist the throttle a couple time with out even trying to start it then I owuld kick it without giving it gas and it would start as if it had no gas in the carb... :thumbsup: Quote
Snopczynski Posted February 25, 2007 Report Posted February 25, 2007 (edited) I didn't say nothing about holding the throttle open I just said I would twist the throttle a couple time with out even trying to start it then I owuld kick it without giving it gas and it would start as if it had no gas in the carb... :thumbsup: If you move the throttle while your not kicking it over and the bike is not runing, it will not do anything. The carb needs vac. to function. So all you did was move the slide up and down. No fuel went in, nothing was achieved. If fuel did went in, its because you have a bad needle and seat. Edited February 25, 2007 by Snopczynski Quote
endofitall9 Posted February 25, 2007 Author Report Posted February 25, 2007 I know all two strokes pretty much run the same way...all I'm saying is that is what I done and thats how it started everytime id that leads to being a bad seat then thats ok as lone as it is starting 2nd or third kick everytime its fine with me...but evendentally its doing something because if you done touch the gas your leg is going to get tired...but if yougibe it a lil itll start no prob...weird i guess but it work I'll check the seat when I take it all apart again to powder coat some stuff thanks for your help though....... Quote
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