Crackerman96

So finally figured out the problem guys. Not sure what the exact part is called but it was the black box in the rear of the quad that I believe controls the ignition coils. Left cylinder wasn't firing but when I swapped that box out with my other banshees the thing ran Ike a dime

It won't let me post the video or screenshot. Text me at (707)592-1670 and I can send you it

I found the crossover tube and put it on, didn't change anything unfortunately and flywheel? A few people have said that but I didn't know banshees had flywheels

Where about are you, I'm not exactly sac, I just say that so people know the general area. Not to many people know vacaville california lol

Sacramento California, just about sea level I believe. Also if the quad is running and I put my hand over the right carb, it sucks my hand onto it. However the left side feels like it's not drawing air

I don't have a leak tester, is there another way to test it? And is there anything else I should try first?

Just tested, the left cylinder (bad cylinder) is stable at 120

Not sure, I didn't hone the cylinder, there was a single mark on it. So as far as I know it's all stock specs

So he let a friend of his ride it and the friend never left first gear.. he held it first gear wide open ALL THE TIME. He continued to over heat it and finally it dropped a piston

HELP GUYS! So im leaving for a trip in two days and I'm trying to rebuild my friends banshee (my old banshee). Long story short the piston on the left side was toast and I rebuilt the top end. It was super easy to do and all I did was change the stock 347 piston to a forged wiseco 347. I didn't change anything so that way I didn't have to retune the bike. HERES THE PROBLEM: when I start the quad it fires more on the right cylinder than the left. The left barely pushes smoke at all. Also the right exhaust pipe gets hot but the left doesn't. And the best part is it back fires loud enough to hurt your ears and shoot about a 6" flame out of the exhaust. Sounds like a firecracker going off. I have a video if any body would like to see but my phone doesn't seem to let me post so let me know and I can text it to you. it has new plugs, the slides aren't in backwards, I didn't change the needle on the carbs or jetting and I'm completely lost. The only thing I can think of is somebody said there's a rubber tube that goes from one carb to the other? I see the crossover tube but it isn't rubber. Where is this located and could it cause this problem? It ran PERFECT prior to the motor losing a piston and needing the rebuild

Bought a dirtbike and hadn't gotten around to the tear down. And wiseco is fine, if anything that's awesome and the abuse those pistons took gave me some serious faith in wiseco pistons. The reason why I say " turns out this entire time I had wiseco 353cc pistons" is because when I purchased the quad, the previous owner informed me that it was bored out to a 405. Which at the time was very believable because my other banshee is stock with pipes and this one was substantionally faster.

It'll mainly be used for dune riding/ dune drags. I already have 8" aluminum doubles wheels in the rear and 10" aluminum Douglas wheels in the front. So I have that part covered. A lot of people keep saying Swiss cheese and hack up the frame but where are some good places to be making cuts that won't majorly affect the integrity of the frame?

Hey guys I don't know if I'm quite posting his in the right section but I need some help again! i have decided what I'm going to do for rebuilding my motor but while the quad is torn apart I had the thought of making it lighter! I was going to start with a parking brake delete and tors delete kit along with some smaller led headlights. The question is, is there any other tricks without spending a s*%t load of money to help drop some weight? now I'm 5'6 weighting about 190. I used to way about 210 so I know dropping weight will help but seeing that's a time consuming process I'm working on, is there anything I can do now to the bike to help? any advice will be helpful!

So I've gotten quite a bit of information on my bike and have gotten some really helpful answers on where to go next with my bike. However I would like to see where some successful builds have came from. hate to sound like I'm copying people but being new to this, I would rather not have a piss load of problems with building and tuning. I am unaware of things such as "welding the crank" or when to do it. so curious if anybody would like to share all of the work they have done? I'm looking to be last at dune drag racing but still want to have a reliable quad on 91 octane at 40:1. What's worked best with you guys for setups that make good power? from what it sounds like, I want to shoot for a +4mm crank and a dune port, roughly to a 400cc. However i don't know who a good builder is to match my port job to the crank, or what I should do as far as spacers, timing, jetting, carbs etc. right now my banshee is sitting on a 353cc wiseco piston, stock everything other then the stock carbs are jetted and fmf gnarly pipes. So just curious, what are the steps and/or parts you guys did to make good power that isn't to hard for a guy like me with general knowledge of motors to build this up?

This is what throws me off. What do people mean by "4 mil with stock cylinders and a dune type port". Are you saying get the crank and then just bore out my stock jugs to fit a 421cc piston? This sounds more like my type of build and I've heard people talk about it, however I don't quite understand what they mean by it