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Old 10-09-2011, 03:40 PM   #1
gunnerbuck OP
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Location: N.V.I, B.C.
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Picked up a 640 Project....


I picked this up over the weekend....

I had in mind to use it for a parts bike but after running the engine I think it will be a worthwhile fixer up project... Little by little over the winter I'll see what I can do with this to make it into a reliable ride...

It has a monster thick disk/caliper up front which probably came from a supermotard...

The bike has serious electrical/ wiring issues which will take some time to sort out...



The engine runs well but looks to have a few oil leaks to deal with...

I dont reconize these twin stacks from anything current,they also are probably supermotard...I'll clean them up a bit and see if anyone want's to swap a single pipe setup for them on the flea market...


The pipes actually tuck in quite tight so it wont be a big deal for adding luggage frames if I end up keeping them...
f
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Old 10-09-2011, 04:15 PM   #2
dirtydeeds
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Looks like a worthwhile project. Obviously this bike was thoroughly enjoyed by the PO. (and I though mine was in rough shape...)

I dont recognize the exhaust either. If its lighter than stock, keep it. If not, ditch it. Stock SS muffler is friggin heavy.

Have fun.
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Old 10-09-2011, 09:03 PM   #3
gunnerbuck OP
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Putting a magnet on the pipe I find that the headers and midpipe sections are a form of stainless showing a very light magnetic pull... The silencer bodies are aluminum with stainless end caps so they are likely lighter in combined weight than the stock muffler...
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Old 10-09-2011, 11:18 PM   #4
Tseta
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-T
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Old 10-10-2011, 06:30 AM   #5
ChrisC
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That is without a doubt the ugliest exhaust system ever for a 640A. With that being said, it looks to be a great candidate for a rehab...
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Old 10-10-2011, 08:41 AM   #6
gunnerbuck OP
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Quote:
Originally Posted by ChrisC View Post
That is without a doubt the ugliest exhaust system ever for a 640A. With that being said, it looks to be a great candidate for a rehab...
Yep, for sure an eyesore with the way they are now, maybe with side panels in place it wont look so bad...
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Old 10-10-2011, 08:54 AM   #7
bumblebee1
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I wonder how little money invested you can get away with on this bike.
It looks almost ready to go now.
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Old 10-10-2011, 09:42 AM   #8
overlandr
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I think its the Remus Twinfire. Maybe.

http://www.advrider.com/forums/showthread.php?t=66711
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Old 10-10-2011, 11:18 PM   #9
gunnerbuck OP
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[QUOTE=bumblebee1;17041338]I wonder how little money invested you can get away with on this

Over the last 7+ years of 640 ownership I've managed to scrounge up a bit of inventory of spare parts, so I hope to have most needs covered... After test riding the mechanics of the engine appear sound so the starting point will be replacing the ignition switch as it was bypassed when the P.O. lost the key...The tach is not registering as is the speedo and brake lamps... And it seems there has been some frame ground outs in the wiring clusters... The oil leaks are simple, gaskets or goop for a fix...Sort out the exhaust system.. Carb cleanout and rejet as needed... A check and grease repack of all the suspension link and steering bearings... I have ordered a longer front brake line as the existing one is way too short and does not move properly through the guides as the forks compress... Then there will be the cleanup of corrosion and touch up paint on the frame as required...Replacement of some plastics and a tank/fairing paint touch up... After all this is done I'll try to scrounge up a set of luggage racks and make her travel ready...
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Old 10-10-2011, 11:23 PM   #10
gunnerbuck OP
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Quote:
Originally Posted by overlandr View Post
I think its the Remus Twinfire. Maybe.

http://www.advrider.com/forums/showthread.php?t=66711
Remus Twinfire sounds expensive, maybe I shouldn't give up on the twin stacks so soon...
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Old 10-11-2011, 03:21 AM   #11
Aivasovsky
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Hi Gunnerbuck!

I'm sure this will be a great project.
Can't wait to follow it.
Please take as many pics as possible.

I will take my gray KTM 640 LC4e to my house for a thorough service for this winter as well.
See you around soon
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Old 10-11-2011, 03:55 AM   #12
Skippii
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Quote:
Originally Posted by gunnerbuck View Post

The pipes actually tuck in quite tight so it wont be a big deal for adding luggage frames if I end up keeping them...
f
Is a part missing, or do those endcaps really not even remotely match each other? Looks like some kind of homemade project, not dissimilar to a better version of something I'd make.
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Old 10-11-2011, 08:19 AM   #13
gunnerbuck OP
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Nope, the one end cap has a washer welded in place in an attempt to restrict the opening and cut back some DBs...

Up close the pipes do look like factory units and it looks as if they'll come apart for repacking... I'll know more when I get some time to take them apart...
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Old 10-11-2011, 08:38 AM   #14
Tseta
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What's your long(er) term plan with this bike, Gunner, if you don't mind me asking?

The overlap with your current LC4 is basically 1:1, so will you be selling one or the other later on? Or just riding these two on alternate days? Won't the yearly insurance and registration cost be prohibitive for that?



Cheers,

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Old 10-11-2011, 10:35 AM   #15
bmwktmbill
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Gunner,

Really nice.

I'd stick with the minimalist look.

The pipes are cool cause you can get the luggage real close to the centerline of the machine, especially hard luggage.

I cut the number plates off my side plates long ago.
Makes access so much easier.

This may become your 'go to' machine.
Nice Touratech luggage rack on the rear rack

Ah but...no kickstand!!!
bill

Cut down side plates, KTM adventure
Touratech rack

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bmwktmbill screwed with this post 10-11-2011 at 10:59 AM
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