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Old 02-01-2008, 10:45 AM   #241
Trailing Jack
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More from the dark world of unusual monoshock dirt bikes:



Info here:
http://www.superhunky.com/Maicomonoshock.html

I'll lay off the Super Hunky archives now...
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Old 02-01-2008, 11:43 AM   #242
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Great thread kittycactus. My thanks to you and everyone that has contributed.

We are in our 10th hour of freezing rain and sleet. Reading through this has been a good way to spend the time trying to stay warm and dry.

thanks,
ryan
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Old 02-01-2008, 11:50 AM   #243
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Quote:
Originally Posted by Trailing Jack
Here's his take on the history of Honda dirt bikes.

http://www.superhunky.com/HondaHistory.html
I've read that article and all the others on his website! It's great to be entertained and educated at the same time - kind of like this thread! Still impatiently waiting for Monkey Butt to arrive.
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Old 02-01-2008, 12:09 PM   #244
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Quote:
Originally Posted by Trailing Jack
More from the dark world of unusual monoshock dirt bikes:



Info here:
http://www.superhunky.com/Maicomonoshock.html

I'll lay off the Super Hunky archives now...
I'm suprised you haven't come across his article on the 700cc Maico...

How about Hondas with 4 shocks:

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Raoul Duke: There he goes. One of God's own prototypes. A high-powered mutant of some kind never even considered for mass production. Too weird to live, and too rare to die.
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Old 02-01-2008, 04:12 PM   #245
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Quote:
Originally Posted by onanysunday
I'm suprised you haven't come across his article on the 700cc Maico...
I've seen those, too. Only so much info one can digest, dontcha know!
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Old 02-01-2008, 05:29 PM   #246
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Quote:
Originally Posted by Trailing Jack
I've seen those, too. Only so much info one can digest, dontcha know!
Neat bike. Apparently it was Un-stallable! HAHA. It was used in an ISDT event because engine size was unregulated. I've never seen a photo but I imagine the piston was the size of a pumpkin!
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Raoul Duke: There he goes. One of God's own prototypes. A high-powered mutant of some kind never even considered for mass production. Too weird to live, and too rare to die.
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Old 02-01-2008, 07:49 PM   #247
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Back to the TM400 for a minute

The length to which people would go to try and harness the power of the Suzuki TM400:

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Old 02-01-2008, 09:20 PM   #248
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Quote:
Originally Posted by vintagemxr
The length to which people would go to try and harness the power of the Suzuki TM400:


And it still wouldn't handle!
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Raoul Duke: There he goes. One of God's own prototypes. A high-powered mutant of some kind never even considered for mass production. Too weird to live, and too rare to die.
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Old 02-04-2008, 07:07 PM   #249
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a tree grows in south carolina.

http://cgi.ebay.com/ebaymotors/74-Ho...QQcmdZViewItem
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Old 02-04-2008, 08:27 PM   #250
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Quote:
Originally Posted by nachtflug
Did I mention I paid $749 out the door for my '74 125 Elsinore?
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Old 02-04-2008, 09:04 PM   #251
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An uncle of mine, from out west in Queensland, between Roma and Charleville, told me of the first Yamaha ag bike, the Ag100, that was trialed in this area in the late 60's and early 70's.
My understanding is that the DT1, suposedly the first "Real" trail bike, grew out of the Ag100.
Yamaha was proud of the bike that they had produced, but there were problems

Within six months, all the bikes has stuffed bottom ends, Yamaha sent out a team of engineers to look into the problem.

It turned out to be the air filters, they were running paper filters (surface type) of about 6 micron rating, but when the Yamaha engineers looked at the western Queensland bull dust that they were running around in, it turned out to be about 3 micron, so straight through the papaer filters = stuffed bottom ends.

The fix was to introduce oiled foam air filters (depth type) in place of the paper ones, and all was sweet, so long as the riders cleaned and re-oiled the filters, not something you would bet on with farmers.

I would like to think that it was Yamaha's Queensland expereance that almost all dirt bikes run oiled foam filters to this day
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Old 02-05-2008, 06:08 AM   #252
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Quote:
Originally Posted by nachtflug
Is a clean complete stock 1973 Elsinore the most desirable collectible from the Elsinore line?
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Old 02-05-2008, 06:38 AM   #253
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Quote:
Originally Posted by Trailing Jack
More from the dark world of unusual monoshock dirt bikes:



Info here:
http://www.superhunky.com/Maicomonoshock.html

I'll lay off the Super Hunky archives now...
This one is very strange - looks like the float out of a toilet tank.

The historical Tilkens monoshock chassis today

[/quote]
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Old 02-05-2008, 08:31 AM   #254
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Quote:
Originally Posted by kittycactus
This one is very strange - looks like the float out of a toilet tank.

The historical Tilkens monoshock chassis today

[/quote]

That's a Citroen hydro-pneumatic sphere. There's one at each wheel on a DS 21. Has 900psi of nitrogen gas pressure to act as the spring, damping oil and valves in the lower part that's screwed to the suspension arm. Rubber diaphragm between the oil and gas.

There's a guy in Ohio that can rebuild them, he did the one's on my car.

They were popular on race cars back then, you could adjust the spring rate by just changing the nitrogen pressure.
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Old 02-05-2008, 09:39 AM   #255
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Quote:
Originally Posted by kittycactus
Is a clean complete stock 1973 Elsinore the most desirable collectible from the Elsinore line?
actually the red 250 CR's culminating with the 1980 seem to bring the most $$$, but the 73-74 models were as far as I know pretty much identical and from a pure historical perspective you'd want the 73-74 bikes.

and you won't find one much cleaner and original than the one shown, even with the DG pipe.
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