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el burro pequeño - a scrambler build (Read 2231 times)
FerousBastard
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Re: A Scrambler Build
Reply #45 - 08/09/15 at 10:57:52
 
justin_o_guy2 wrote on 08/09/15 at 10:52:18:
I cut my hand on the grinder the other day ..

OUCH! Man, that doesn't take long to do. Things what move metal move skin Very efficiently, causing very little wear on IT ...


Yep, can attest to this. Got a 4cm scar running up my left index finger from an encounter years ago; took all but 0.1 of a second and the grinder didn't even slow down.
Hope you weren't as unlucky Strang.
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strang
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Re: A Scrambler Build
Reply #46 - 08/09/15 at 15:11:58
 
Handheld grinder, course flap wheel, "too hot in here to wear safety gloves", one slip, index finger joint is propelled towards the sharp end - recipe for a trip to your local casualty dept. Everything's intact and stitched up, so counting myself lucky. I'm cracking on - with gloves  Wink
Today I also realized how newbie I was to have the tank sit so low on the frame - I have basically no room for the loom down the centre  Roll Eyes
I messed around for hours today and have rerouted it along the sides, but it's very tight.
Gonna look at it again tomorrow, but if I have to - would it be structurally dubious to run it up through the central square pipe? Would need a pretty large hole at the neck end for the handlebar connections to pop through, that's the structural question mark.
Anyone done this?
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Dave
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Re: A Scrambler Build
Reply #47 - 08/10/15 at 04:24:50
 
As the bike comes from the factory, the wiring harness runs down the side of the frame, not on top.

You won't have much luck running the wiring harness through the center of the square tube - unless you figure a way to get the huge connector down the tube.....or eliminate the large connector for a bunch of little ones.  Cutting a big hole in the tube is not a very good idea....as the tube is what holds the bike together!

I did run my throttle cable down the inside of the square tube - the Mikuni round slide carb has the trottle cable coming out the top, and the cable needed a long radius to work best.....going through the top tube helped to ease the radius and make the cable work smoother.

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strang
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Re: A Scrambler Build
Reply #48 - 08/21/15 at 14:22:55
 
thanks Dave, wiring is in progress down the sides now.
Muffler finished:







Carefully used the edge of a diminished cutting wheel to buzz off the GT185 tank mounts. Glad I did, plenty of rust having fun underneath:

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« Last Edit: 08/22/15 at 01:32:02 by strang »  
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Re: A Scrambler Build
Reply #49 - 08/22/15 at 01:49:21
 
That exhaust looks ace, very cool  Cool
Will be looking forward to hearing how it sounds.
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Re: A Scrambler Build
Reply #50 - 08/22/15 at 04:10:34
 
Did you put some steel or glass wool around the perforated core?  That really helps to cut down on the sound (until it burns out).  (This will basically be a straight pipe and may be difficult to jet to run smoothly).

Or.....did you put a plug in the middle of the core so the exhaust has to pass through the holes to the outer shell and the back into the core on the way through the muffler? (This will be easier to get to run smoothly as the pressure waves will be broken up more).
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strang
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Re: A Scrambler Build
Reply #51 - 08/22/15 at 06:32:42
 
Didn't bother with the packing. Perforated tube has 2 plugs - front one has some holes in it, 2nd plug is intact. Figured this would move gases around quite a bit. I recon it will be tunable and loud, which I'm happy with.
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Re: A Scrambler Build
Reply #52 - 08/22/15 at 06:40:07
 
strang wrote on 08/22/15 at 06:32:42:
Didn't bother with the packing. Perforated tube has 2 plugs - front one has some holes in it, 2nd plug is intact. Figured this would move gases around quite a bit. I recon it will be tunable and loud, which I'm happy with.


Having the perforated tube act as a baffle (rather than a resonator), will make the engine run smoother as it will help to cancel the pressure waves.  The only thing you have working against you is that the chamber is small......not a lot of room for the pressure pulses to bounce around and lose their energy.  It will however be much quieter than anything that just goes straight through.
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strang
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Re: A Scrambler Build
Reply #53 - 08/27/15 at 08:34:41
 
cheers Dave - hopefully it'll be just big enough.

re: Flint - I think your asking me?

The footpegs are in line with the bottom of the frame, positioned in between the rear motor mounting bolt and the stock muffler mount (both of these locations used as mounting points for plates). I fooked around for ages with a couple of locations and found this was best with sportster handlebars and an upright riding position. I'll endeavour take some pics this weekend with a proper camera; I am aware the picks in this thread so far have been quite dire.
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Re: A Scrambler Build
Reply #54 - 08/28/15 at 19:23:11
 
Thanks for the reply Strang, where you have placed the pegs looks about where I would want them.
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Re: A Scrambler Build
Reply #55 - 10/25/15 at 04:20:56
 
redid passenger handles and combined with indicators.
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strang
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Re: A Scrambler Build
Reply #56 - 10/25/15 at 04:21:56
 
now to painting
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Re: A Scrambler Build
Reply #57 - 10/25/15 at 11:00:54
 
I love the direction this build is headed. Nice work and good ideas. Excellent!!!
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Re: A Scrambler Build
Reply #58 - 10/25/15 at 13:57:26
 
Gus wrote on 10/25/15 at 11:00:54:
I love the direction this build is headed. Nice work and good ideas. Excellent!!!


I second that.  Nice work!
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Re: A Scrambler Build
Reply #59 - 10/26/15 at 09:49:00
 
and I third it
really cool idea with the signals
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