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My '93 Banshee project


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  • 3 weeks later...

Well got the motor in. 

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Fired it up the first time with my old gas carbs just because I knew they would work. Fired off in a couple kicks idled and revved great. Gave it a couple heat cycles then put the new alky carbs on. Gave it a couple kicks and it fired off for the first time on alky. Was idling kind of high so I chopped the throttle to try and get it to come down. It didn't come down. It ran the fuck away lol. Scared the shit out of me. Turned the key off, cut fuel lines, pulled spark plug wires, and it just wouldn't shut off until it sucked the bowls dry. Super scary (to me anyways). Finally shut off and I rolled it back in the garage to look things over. Pistons and bores looked fine so I put the gas carbs back on to fire it up and make sure everything sounded ok again. It did. So I began to inspect and compare the alky carbs to the gas ones and decided that the slides were just opened too far. Adjusted them and put them back on the bike. Fired up and sounds like it should.

 

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Took it to my local river bed to see what this cub on alky was all about...Apparently it's too much for my eBay chain lol. I seen the bad spot in the chain when I put it back on the back. But, I'm stupid and really wanted to ride so I said screw it and slapped it on. Shit happens. New chain, guide, and a DRW case saver and it's good to go again

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I did get to stick it once from a roll before it broke and there is definitely considerably more power now. This thing has me wanting to sell the raptor and put more money into the banshee. It's a serious dilemma I'm dealing with currently lol

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  • 1 month later...

Well, still not sure what happened, but I crashed it. All I really remember is grabbing the clutch at the end of the pass and then beginning to fall off towards the right side. Then I remember waking up with the wind knocked out of me and eyes full of sand. Only thing I can think of is the tire came off the bead, made a hard move to the left when the wheel dug into the sand, threw me off and then started tumbling. But I really don't know and can't find any video of it. It felt like it ran really good on the 5 passes I got to make on the new build though. 

 

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The heim end on the right tie rod is broke, but I'm guessing by how those threads are bent, it happened in the tumble

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The damage doesn't look horrible. The rear subframe is definitely trashed. And the bar the steering stem is attached to has some paint chipping off of it. I still haven't got it out of the trailer to really go over it. My back is pretty messed up from the crash and has my mobility limited.

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No idea what cut my leg but it did a pretty effective job of it lol. I also apparently hit my head pretty hard as well. Glad I put my helmet on beforehand  I had actually made a couple passes on the raptor earlier in the day with no helmet. Never again. Neither my leg nor head bother me near as much as my back though. I probably should have went and got checked out on that deal.

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  • 2 weeks later...
  • 1 month later...

Starting to rebuild. Was going to just cut mine up and make it nice again but as I started pulling it apart, I went to pull the gas tank out and it wasn't coming. The bar the steering stem attaches to was bent back into the tank during the crash. Had to cut it to get the tank out. Which really isn't a big deal I guess. Could have just bent welded a new bar on.

 

So instead, I found a chassis that'd been cut down and extended a little, paid WAY too much for it, and had it shipped here. Now our shop fab guy is fixing some cracks and stripped bolt holes and putting in a new rear shock mount. The color is so ugly I can't hardly stand it. That's why the pics are black and white lol. I'll be delivering to powder as soon as he's finished with repairs.

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Won't be changing anything to the bottom end really. It only has 5 passes or so on it. I did however buy some new carburetors and a new head. I originally purchased some 39mm PWK off the facebook page that supposedly had been converted to alky and ran on a 4mm cub before I built this motor. I put them on and thought the bike felt fast as fuck (compared to my old setup), however the plugs didn't agree. It was super lean even with the power jets turned all the way out. I remember feeling it lay over in high gear on the pass that I crashed. Pulled the plugs when I pulled the motor and found I burned a strap off one of the plugs. So figured I'd pull the head to see what the domes and pistons looked like. Few little nicks on the piston but the dome looks untouched.

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Sent my carbs off to F.A.S.T. to be gone through and proper adjustments made for my setup. After inspecting, and going off their recommendation, we decided to just go with some new carbs. So, new 39pwk alky carbs and a F.A.S.T. branded head on the way.

I'll be ditching the CPI inframes in favor of some Shearer oof this time.

New front end and swingarm will be supplied by DMS Powersports.

Prolly cut up some factory plastics and paint them white if they aren't already white.

All 4 of my wheels and tires made it through the crash unbent amazingly enough so I'll prolly just run them.

All of the suspension made it through unbent as well. One a arm got the powder coat scuffed up, but that's it. I'll be selling everything off the old bike if anyone is interested in anything.

 

Just a waiting game on everything to show up so I can assemble at this point. Hopefully be ready to ride towards the end of the summer

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Got this badass piece in from ATVJoe (Joes ATV Performance and Fabrication) the other day. Sent him my busted trans from last year and told him I wanted something cool and this is what I got back. Ultralight n-1-5 with undercut 1srt gear and back cut 2,3,4. I'm not going to claim to know anything about transmissions, but I know a little about machine work and there's some cool stuff going on here.

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New carbs and head

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Carbon fiber lower motor mount struts from carbon race parts

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Frame is suppose to be finished at powder coat tomorrow so maybe get to start assembling some of this thing this weekend

Edited by phantom405
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