New minibike build, and a few others..

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Raywelder

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^^ lmao.
So true.

Well, Its cost me quite a bit, But whats sitting there now, in all reality didn't cost a whole lot. maybe a couple hundred.

HOWEVER,
Its cost me twice that in all my drivetrain changes and swaps. Broken gearboxes....
Lord.
I could have went with an expensive engine and clutch system at the very beginning for cheaper than I did all the other shenanigans.

BUT
through all my mistakes, I have learned a ton while building this. So its not all lost I suppose.

its fairly close to being finished.
If I can get the motorcycle engine running,(doubt it) I will throw that on, along with a simple, Single arm rear suspension. and it should be good to go.
 

Raywelder

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Well,
There goes another 40 in hardware! got mounted bearings and sprockets for my jackshaft setup.

More progress this weekend, hopefully,
If my parts arrive by then, by some miracle...then even more progress.
 

Raywelder

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Welp, another 35 to keyed shafting...

The most expensive stuff is the little stuff, I swear!
 

Raywelder

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taking it to the shop tommorow so I can make an engine plate, and mount the gear box.

I may try and tackle making the rear fender too, We'll see on that one.
 

rgvkid

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Hey Rey, You can slide the forks up through the Top triple tree to lower the front end. 1.5" should be good, depending on your weight, without it bottoming out. If it bottoms out, you can put some pvc in the shaft to stiffen up the preload. My friend just crashed his stock sportster so he asked if i could rebuild it, little did he Know i bobbed it out. I made new handle bars that clip onto the forks that i slid through the upper tree. Heres a pic.
 

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Raywelder

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Hey Rey, You can slide the forks up through the Top triple tree to lower the front end. 1.5" should be good, depending on your weight, without it bottoming out. If it bottoms out, you can put some pvc in the shaft to stiffen up the preload. My friend just crashed his stock sportster so he asked if i could rebuild it, little did he Know i bobbed it out. I made new handle bars that clip onto the forks that i slid through the upper tree. Heres a pic.

Those handlebars are cool!

I do have the forks slide through almost an inch for now.
 

skid20

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Haha, I'm going with dual exhaust, But I Was thinking both out one side though ;)

That does have me thinking now though.

Man you should run those pipes on both sides with "Y's" on each side as well, flared to 2 1/2in. That twin cylinder would sound friggin monsterous.......Blowin' out windows!
 

Raywelder

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Gear box mounts are tacked in now.
No pics, its at work and I forgot to bring the camera with me.

I'll be back there tommorow making the engine plate and jackshaft mounts.
 

Raywelder

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Man you should run those pipes on both sides with "Y's" on each side as well, flared to 2 1/2in. That twin cylinder would sound friggin monsterous.......Blowin' out windows!

What are the y's?
Pics?
 

Raywelder

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One Pipe to two pipes 1:2 (forked)

Lol oh, I thought you might have meant that, but wasn't sure.

It would probably look good, however, I usually dont like to have more pipes than I do cylinders! :D
 

Raywelder

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Alright, no progress today, Just went there and did some thinking.

I decided I need a smaller driven clutch, the one I have now, is 9" in diameter, and the cam gear thing off of the side, is too big as well. I would barely work, then I remember it needs more room to spread, and I would need to mod more of the frame for that. Also, the degree for the belt on the driven pulley I got now, I think its a bit off from what the driven clutch uses.

So I'm going to be searching for a 7.5" dia, 7\8" bore Driven clutch.
Got to looking, the 40 series driven clutch is exactly what I need.
 

Raywelder

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Ok, So The bike engine I have for the kart,
I'm a little stumped.
It wont roll over,
It will turn over by hand maybe halfway over, then CLUNK, then roll it the other way, CLUNK.

I looked at the pistons through the sparkplug holes, and all of them are moving, so Rods must be ok.

I took off both CAMS, Wondering if maybe the time was off and the valves were hitting, Nope, Still wont budge.

So Tommorow night, I am going to see if I cant pull the head,
I'm wondering if rust inside the bore is stopping it. I cant imagine rust stopping up that solid, but you never know.

It also might be a bolt or something silly stuck somewhere. I dont know! Its driving me crazy..
 
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