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need advice on carbs/cleaning


bigwake

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i couldnt get this thing started..its a 2000 banshee stock except boost bottle vf3's and barnett clutch..i checked the compression..120 each..checked spark..fine..even put new plugs in..checked choke tube..its connected..once the bike is running..it runs like a champion..no bogging/under powered etc..runs great..i had a friend come over and we narrowed it to the choke/carbs..once the bike started after 100 kicks..the choke didnt effect idle at all..so i pulled the choke and inspected o rings..looked fine..i sprayed some choke cleaner in the choke hole and on the choke itself..i put it back in..we found that it will start when you manually choke it with a towel over the air filter manifold..i forgot to mention its a single k&n filter..so i think my choke is the problem but it looks fine..now when the bike is running the choke makes a difference in idle and will kill the bike when hot as it should..i took it apart today after riding at the track over the weekend. the choke spring was covered with dirt and grit from the track..so i suspect that maybe the boot that covers the choke is allowing grit in and over the past how ever long its been ridden dirt has gotten in the carbs and thats why it won't start?..i just dont get why it wont start up when cold..after many hours at the track it wouldnt even start when hot or warm..which makes me think it was because the dirt was getting in there? so basically before i tear the carbs out and clean them (which i dont even know how to do yet) does anyone think its safe to use a fuel additive or gas cleaner? like one off the shelf at an auto parts store? just thought i'd give it a try...any suggestions would be great! thanx guys

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i couldnt get this thing started..its a 2000 banshee stock except boost bottle vf3's and barnett clutch..i checked the compression..120 each..checked spark..fine..even put new plugs in..checked choke tube..its connected..once the bike is running..it runs like a champion..no bogging/under powered etc..runs great..i had a friend come over and we narrowed it to the choke/carbs..once the bike started after 100 kicks..the choke didnt effect idle at all..so i pulled the choke and inspected o rings..looked fine..i sprayed some choke cleaner in the choke hole and on the choke itself..i put it back in..we found that it will start when you manually choke it with a towel over the air filter manifold..i forgot to mention its a single k&n filter..so i think my choke is the problem but it looks fine..now when the bike is running the choke makes a difference in idle and will kill the bike when hot as it should..i took it apart today after riding at the track over the weekend. the choke spring was covered with dirt and grit from the track..so i suspect that maybe the boot that covers the choke is allowing grit in and over the past how ever long its been ridden dirt has gotten in the carbs and thats why it won't start?..i just dont get why it wont start up when cold..after many hours at the track it wouldnt even start when hot or warm..which makes me think it was because the dirt was getting in there? so basically before i tear the carbs out and clean them (which i dont even know how to do yet) does anyone think its safe to use a fuel additive or gas cleaner? like one off the shelf at an auto parts store? just thought i'd give it a try...any suggestions would be great! thanx guys

 

I wouldnt use that stuff. There isnt much to them just take one off at a time so you get them back on the right side. Be sure you put your slides back in the right direction. If your not good at remembering stuff you could film it as you take one apart. Under the bottom where the float bowl is your main jet hangs down. Take it out and check the pilot which is below it to see if its clogged. If things look crappy in there you could soak in that carb cleaner solution but be sure to remove all gaskets and O rings.

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I wouldnt use that stuff. There isnt much to them just take one off at a time so you get them back on the right side. Be sure you put your slides back in the right direction. If your not good at remembering stuff you could film it as you take one apart. Under the bottom where the float bowl is your main jet hangs down. Take it out and check the pilot which is below it to see if its clogged. If things look crappy in there you could soak in that carb cleaner solution but be sure to remove all gaskets and O rings.

ok thanx

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