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Old 09-02-2013, 06:41 PM   #31
Armen OP
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Joined: Jan 2011
Location: Jerseyland, USA
Oddometer: 29
Buell wheels

Pretty sexy and pretty cheap. Front would take a ton of work. Wonder about the back one. Look seriously wider than the Dyna.
Thanks for the lead/thoughts.
-Armen
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Old 09-02-2013, 08:43 PM   #32
xrscooterman
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Location: Raleigh Area, NC
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Quote:
Originally Posted by Armen View Post
Like the cleanliness and lack of maintenance of the belt.
Already planned on the LiFe battery. Did one on my Duc and saved 10 lbs, on my bud's BMW it saved 20.
Ex-G/F had an '89 Sporty. Prob shaved 50+ lbs off that. When I was done it was a pretty nice bike.
Kinda like the big twin thing for a sport-tourer. Seems to fit the goal better.
If you guys have leads on carbon fenders, I'd love to see them.
Having an aluminum gas tank made for the Duc now. If it works out, I'll talk to the guy about fenders and maybe a gas tank.
Waiting for the brake parts to arrive. That and trying to find my digital scale.
Trapp should be here this week.

Airtech made the carbon fiber fender for the front of my Sportster. They can help, as they say, that anything they make in fiberglass they can also make in carbon fiber. Not much weight savings between fiberglass and carbon fiber though.

Check out their website.

http://www.airtech-streamlining.com/

Also, take a look at foot pegs and controls. Stock HD foot pegs are way too heavy.
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Old 09-02-2013, 09:21 PM   #33
bk brkr baker
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To use the Buell front wheel and perimeter disc, do a front end swap using the Buell front end. You may end up with a heavier front end, USD forks tend to be heavier than conventional, but it'll look trick and probably be more stable.
I went to the Harley Drags at Bowling Green a few years back and saw this swap done on several bikes.
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Old 09-03-2013, 07:06 PM   #34
Armen OP
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Location: Jerseyland, USA
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USD forks

Upside-down forks are usually heavier. The forks on the HD are actually cartridge forks and hopefully can be revalved to a pretty OK ride.
And the project is about a) getting it done without a ton of work, and b) keeping the weight down.
Thanks for the input.
Master cylinder arrived today. Caliper should be Friday.
Trapp hopefully tomorrow.
Still can't find my small digital scale...
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Old 09-04-2013, 09:16 AM   #35
yokesman
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The those buell wheels require buell forks as the hub is not made to support a standard brake position.
here is a rear shock for the dyna: thread,http://www.hotbikeweb.com/tech/1109_...nsion_upgrade/
front fork mods by racetech,http://forums.streetchopperweb.com/7...ly-dyna-build/
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Old 09-07-2013, 07:23 PM   #36
Armen OP
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Progress

Well, good news/bad news....
Got the Trapp exhaust. Last one I did on a Sporty was brushed stainless. This one is chrome and the chrome is pretty nice.
Fit and finish are top shelf.
The bike had an aftermarket set of 2-2 baloney pipes on it and was REALLY LOUD!!!!
For three years I've been listening to the owner say he was going to put a quieter system on and it finally happened : )
Bad news-the Trapp weighed in at about 18 lbs, which is almost exactly what the aftermarket noise canons on the bike weighed. I'm sure the Trapp weighs less than the stock set up (so does the Queen Mary), but I was looking for weight loss from where it was, not stock.
Good news is that the sound quality is beautiful and the sound quantity is greatly reduced. After some head scratching and farting around we settled on 13 discs. I'm sure the bike would make more peak HP with more discs/noise-but that isn't what the bike is about.
Next is to get a Screaming Eagle airbox assembly and start playing with jetting.
Tomorrow is a run to establish baseline gas mileage.
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Old 09-07-2013, 07:43 PM   #37
Krasniewski
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Hmm, i thought they had a ceramic, or at least black set of pipes available. Too bad, chrome is sooooo heavy.
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Old 09-08-2013, 04:00 PM   #38
Armen OP
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plating/coating

Not much of a fan of the black coatings. Dirty water bakes on and is very tough to clean.
Don't think the chrome plating is what makes the Trapp 'heavy', I think it was a total lack of baffles in the other aftermarket pipe that made it light.
The 2-2 that was on there was basically wide open. The Trapp has fiberglass packing, perforated metal, a stack of discs, and an end cap.
Still only weighs about 18 lbs. Sure that is lighter than stock.
VERY nice sound quality, much less noise.
Off to other places to drop some tonnage.
-Armen
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Old 09-09-2013, 05:49 PM   #39
wheelbender6
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I dig this thread. I'd like to get a Sporty but I don't want to wrestle a 500+ lbs bike in traffic. Perhaps 450 lbs is attainable for a Sporty without spending too much.
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Old 09-09-2013, 07:58 PM   #40
Armen OP
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Sporty?

Hey Wheelbender,
I've thought about doing a Sporty again. Kinda fixated on the XL1200S as a starting point.
Pre-04 means pre-Rubberster means 60+ lbs less.
Still lots of crap to remove to drop serious weight.
The pre-rubbersters weigh about as much as a modern Bonnie.
Can only work on so many bikes at once : )
-Armen
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Old 09-10-2013, 03:36 AM   #41
panhead_pete
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Run drag pipes, weigh nothing and with reversion cones in they work Ok

Buy a complete single disc front end off a jap bike and get alloy triple trees made to fit if you cant do it with bearings. Keep 7/8th bars and controls. Fit mountain bike wireless speedo. Use matching rear wheel from front end.

Lithium battery

Strip all unnecessary wiring, switches etc

Ditch highway pegs, crash bars etc if fitted.

Cheap LED lights all the way around

Get rid of belt and go sprockets and chain, weigh several brands

Melt anything with "Live to Ride" on it into a pool of gunk then place in the bin.

Check out Fab Kevin's site for brake idea. http://www.fabkevin.com/
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Old 09-10-2013, 11:51 AM   #42
Lizrdbrth
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Quote:
Originally Posted by panhead_pete View Post

Melt anything with "Live to Ride" on it into a pool of gunk then place in the bin.
Lol. Most important item on the list.

Actually not a bad overall philosophy. If it smacks of HD, lose it.

Not hatin', just sayin'.
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Old 09-12-2013, 06:32 PM   #43
wheelbender6
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Armen - Pre-04 Sporties aren't very common around here but I will be looking for one.
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Old 09-19-2013, 04:24 PM   #44
MODNROD
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I can understand wanting to keep the Harley look. But even with keeping the original style of the bike it's surprising how heavy some stuff can be.

The OEM front calipers on my GSX1100 (US is a GS1150) weigh in at 450g MORE than a 6-pot Tokico caliper off a Hayabusa, and 650g more than a "blue-dot" caliper off an R1/R6, both of which have way more hydraulic clamping force than OEM.
The front wheel is a 16" x3" alloy, and with one 320mm front rotor weighs in at 11.8kg fitted with a 120/80-16 tyre. From the info I can find, that means it should weigh in at under 13kg with a 130/90-16 cruiser front tyre fitted. They have a 15mm axle, but you can use up to 20mm axles by changing bearings. That GSX wheel is only one option, there would be plenty of others you could check out, still without resorting to the "3-spoke Sportsbike" look. For example, the front wheel I have on my 1987 Vmax is a 5 curved spoke 19"x2.15 off a XV1000 Varago (also used on XJ750, etc), with a 320mm single front rotor and fitted with a 100/90-19 Michelin Commander front tyre it weighs in at 12.2kg total........the stock OEM Vmax 18" front came in at over 15kg.
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Old 09-19-2013, 07:38 PM   #45
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