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Old 03-13-2011, 04:55 PM   #1
Roadracer_Al OP
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Introducing the TardMo

I have been following with great interest the following threads. They've been inspirational, to say the least.

LukasM's KaTaMaki project
Resolrider's Ninja 650 motor in a KLR chassis
TonyMorr's A different kind of Versys
JDRocks' Gravel Runner
and Sanjoh's Sanjohsaki, the build

I like building stuff. I'm a pretty fair amateur welder & machinist. So... my crazy idea is to merge a Ninja 650 and a CRF 450. My goal is to swap the complete (linkage and everything) front and rear suspension onto the Ninja. I've eyeballed it, and there is a ton of space behind the swingarm pivot for the shock. I'll have to move some things around and create the top shock mounting, and the lower linkage mounting points.

I expect, also, that because the Ninja motor has a *lot* of depth below the sprocket (i.e. the oil sump), I might need to shorten the stroke of the suspension, but I am confident that I can achieve 10", maybe 11" of wheel travel without risking constant and serious bottoming on the skid plate or crazy swingarm angles.

I found and bought a moderate-mileage 2006 Ninja which had shed all it's bodywork, presumably in someone's hedges - it's cosmetically pretty thrashed - but mechanically sound. The best part is that it has a clean title, not a salvage title, a bonus if this bike ever gets sold.

In what I consider a propitious sign from the forces of nature, a complete 2003 CRF chassis showed up on Craig's List 2 weeks after I bought the Ninja. I secured it promptly.

There will be a pile of goodies that will wind up on eBay and partially fund the project.

I've been riding the little Ninja for a couple weeks now, and I'm kind of surprised at what a good little bike it is. The chassis geometry is very friendly and neutral but the suspension damping components are harsh (typical budget stuff -- damper rod forks & unsophisticated shock). The motor is a peppy, willing partner for hooliganism, which I completely approve of.

So, the name -- I was talking with a friend of mine, and he said "You know you're doing the Motard thing, only backwards... you ought to call it the TardMo." I thought about it and he's right... instead of putting street wheels on dirt bikes, I'm putting dirt wheels (and suspension) on a street bike.

Today's TardMo picture is "as bought". Love the funky Ninja 250 lights & fairing (I think?).

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Roadracer_Al screwed with this post 03-15-2011 at 10:54 AM
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Old 03-13-2011, 05:12 PM   #2
OaklandStrom
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Subscribed.
And you're in Oakland - which means I might even see it in person. Can't wait.
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Old 03-13-2011, 08:05 PM   #3
JimmyTheHog
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Im in ! Sounds cool.
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Old 03-14-2011, 04:51 PM   #4
jdrocks
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Quote:
Originally Posted by Roadracer_Al View Post
Love the funky Ninja 250 lights & fairing (I think?).

drank that rat bike kool aid? these are a fun build.

the lights are 650R, not 250.
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Old 03-15-2011, 08:08 AM   #5
Kawidad
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I'm in too.
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Old 03-15-2011, 10:50 AM   #6
Roadracer_Al OP
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@ JD -- Yep. I had the idea a few years ago, and have really been enjoying the inmates builds - from mild to wild.

@ Tackett -- Cool! A neighbor! Hopefully, you'll see it on the road in less than 5 years. I keep thinking "this isn't that hard". Right.

There are a couple other "rat bike" builds I've seen that I'd like to link in my first post - might as well compile them for posterity. If anyone want sto reply with build threads -- especially if they're not on ADVrider -- I've missed, please feel free.

JD, I think you do yourself a dis-service calling your builds "rat bikes" - you do quality work. Just because you utilize some very creative parts bin engineering doesn't mean it's ratty. Mongrel, maybe, but not rat.

I figure this build is an intermediate step for me - ultimately I want to build my own chassis with a long-travel floating headstock/Hossack front end. I'm a participant on the MC_Chassis design list, and one of the truly charismatic posters, a fellow named Hoyt (sadly, now deceased), built one in the '80s using a Honda XR 350 motor. How cool would it be to make a modern version!?



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Old 03-21-2011, 09:04 AM   #7
LukasM
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That bike looks almost too nice to cut up! But that could a good thing since it will give you lots of parts to sell.

I'm in!
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Old 03-21-2011, 06:28 PM   #8
mtothef
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yeehaw!

get after it, al. if you need any advice on how to completely misplace the link points, or want help getting the math completely wrong on spring rates, you know where to find me.

been waiting for someone else to pull the trigger and go fully overboard with a 650r conversion. no disrespect to the many modded jobs so far, but none of them have fallen off the bad side of the welding table yet (except repsolrider, who stomped all over the welding table, and who makes everyone else look like a hack anyway). bring on the long travel, completely out of place, this-makes-no-sense-at-all mutation!

"these go to eleven..."
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Old 03-21-2011, 07:25 PM   #9
Snr Moment
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A few welds here, a few welds there, and Presto......

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Old 03-21-2011, 07:49 PM   #10
archkb
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Originally Posted by Snr Moment View Post
A few welds here, a few welds there, and Presto......

I saw one of those once, in SoHo and thought it looked at least as at home in that brick and cobblestone jungle as it ever would be in a forest or desert....



But I met the owner a little while after taking the photo. Seems he did take it off-road quite a bit - and not just onto sidewalks, either.

p.s. BTW, that's my dear, departed Multistrada 620 in the background. And sorry for the thread-jack, but Snr Moment started it!

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Old 03-21-2011, 11:28 PM   #11
Roadracer_Al OP
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@ MtotheF, Good to see you here. I figure you of all people would understand. I strongly believe that too much is just about enough. ;)

@ LukasM - My approach is that paying a little more for the bike (a little less damage than a $1200 insurance write-off) would yield a lot more in-demand eBay-able parts.

Aaaah, the Terra Monstro. What a lovely thing.

My post for this evening involves the PowerCommander. The bike ran like poop when I got it -- lots of backfiring on decel, stumble on low-RPM roll-on. Classic rich symptoms.

So, I had a look at it -- looks dead as a doornail... no lights, no nothing. So I download the software and install it on my wife's antique PC notebook. The software can't find a Power Commander on the USB port, so I tried tracking down the fault.

One of the wires, I'm operating under the assumption that it's the switched power wire, was Scotch-Loc'd.

Let me just share with you for a moment how much I hate standard Scotch-Loc connectors on vehicles. The insulation interrupt method basically creates a perfect environment to grow corrosion on the wires, just add water - or, salt water if you want it to work faster. They're also mechanically fragile - if it gets squashed the metal spade is exposed and can back out, creating the possibility for intermittent shorts or open circuits. Tracking down intermittent electrical faults is as much fun as a barrel of monkeys.... feces throwing, screaming, biting, flea-infested monkeys.

Having thoroughly trashed Scotch-locs, they really do have their place -- I have no issue with them for indoor, non-mission critical connections, but keep them the hell away from my vehicles.



You call that a connector? Now THIS is a connector: Also a Scotch-Loc, and it's waterproof. The red button contains a resin that hardens once the button is depressed. This literally seals the mechanical joint inside a blob of plastic. Brilliant. Wish I'd thought of it.



Anyway, long story short, get the stupid wiring fixed up with proper connectors, and it *still* won't light up, so I un-installed it.

I shot off an email to the PCIII tech support and ask if the units can be repaired. A couple volleys of questions and I am told that the map can't be read if the motor is not RUNNING.

Damn.

So I have to reinstall it and tinker with the PC notebook again. The bike actually runs better without the PCIII, which tells me that it was actually doing something.
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Old 04-14-2011, 07:24 PM   #12
OaklandStrom
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Is this thing on?

How's progress going?
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Old 04-15-2011, 12:19 PM   #13
Dastard
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Quote:
Originally Posted by Roadracer_Al View Post
Now THIS is a connector: Also a Scotch-Loc, and it's waterproof. The red button contains a resin that hardens once the button is depressed. This literally seals the mechanical joint inside a blob of plastic. Brilliant. Wish I'd thought of it.



.

Where do you find these? Is there a model number or name? I searched the 3M website but can only find the insulation displacement type

ETA: Found them

http://products3.3m.com/catalog/us/e...er/output_hTml

3M™ Scotchlok™ IDC Butt Connector UR2/Cart

those look a LOT better than my posi-lock and hot glue solutions
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Old 04-15-2011, 07:52 PM   #14
Jeff Watts
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in.
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Old 04-15-2011, 10:06 PM   #15
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Im in.
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