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Old 05-29-2015, 08:19 AM   #1
aerone OP
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Ducati bevel ss the next Vincent ?

I have been following an original green frame 750SS on flea Bay. It's at $90,000.00 reserve not met. Where is the top price ?
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Old 05-29-2015, 08:22 AM   #2
lrutt
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wow. That is some primo $$$. What is the history of the bike. I can only see that kind of $$$ if the bike has a pedigree.
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Old 05-29-2015, 08:35 AM   #3
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A continuation of a trend that started a few years back. Bevel drive twins were never made in huge numbers , the SS versions are more rare. I'm one who missed the boat, damn , it sucks being poor.
I did race a SS for a guy from Ohio in F-750 AHRMA.He bought it after I had to say no at the reasonable price of $5000, did I mention it sucks to be poor ?



Here it is with my wife and son after the races at Daytona in 1994.

I have a 860 GT I bought cheap in 1979 , no where near the cred of an SS , but it's mine.

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Old 05-29-2015, 10:53 AM   #4
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Originally Posted by bk brkr baker View Post

no where near the cred of an SS , but it's mine.
It is pretty fing sweet!
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Old 05-29-2015, 11:20 AM   #5
lrutt
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the 860's used conventional valve springs, right? only the 900's used desmo?
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Old 05-29-2015, 11:27 AM   #6
blaine.hale
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Quote:
Originally Posted by lrutt View Post
the 860's used conventional valve springs, right? only the 900's used desmo?
You are correct. Though I thought it was only the SS and "desmo" specific models. My 860 definitely does not have a desmo head.
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Old 05-29-2015, 12:54 PM   #7
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Quote:
Originally Posted by lrutt View Post
the 860's used conventional valve springs, right? only the 900's used desmo?
The 750 SS's were also Desmos. Not the Sports or GTs though.
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Old 05-29-2015, 01:03 PM   #8
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Quote:
Originally Posted by lrutt View Post
the 860's used conventional valve springs, right? only the 900's used desmo?
Not really, the most usable 900 might be the 1979 900 GTS which was close to a valve spring 900 SD engine.
They were all the same bore and stroke (860/900s)
Ducati bevels have been climbing in price for some time like every thing else with a bit of a slump in the 1990s.
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Old 05-29-2015, 02:39 PM   #9
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All 860 GT ,900 GTS ,900 SS and 900 Darmah motors share the same bore and stroke. Actual displacement for all of them is 864cc.
The GT and GTS had conventional screw and locknut valve adjustment and coil valve springs.
The SS and Darmah vairaties had the desmo valve gear and higher compression.
The 750 GT and Sport had coil valve springs , but the clearances were set by shims. The 750 SS had the desmo system.
It's a little strange to think that the Desmos that were so rare in the Bevel Head days is now the standard system across the line of the Ducati range , in 2 & 4 valve configuration. And that now you can pick up the early to mid 90's 900 SS belt drive bikes pretty cheap these days. I bought 2 900 SS bikes last year , a CR and a SS SP for a grand total of $2500. They have both slid up the road , but , the basics are sound. Uncrashed bikes of the era can be had for $3000 or so.
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Old 05-29-2015, 07:03 PM   #10
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Quote:
Originally Posted by bk brkr baker View Post
The 750 GT and Sport had coil valve springs , but the clearances were set by shims.
The later roundcases (like my GT) used screw adjusters.
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Old 05-29-2015, 09:55 PM   #11
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Quote:
Originally Posted by bk brkr baker View Post
All 860 GT ,900 GTS ,900 SS and 900 Darmah motors share the same bore and stroke. Actual displacement for all of them is 864cc.
The GT and GTS had conventional screw and locknut valve adjustment and coil valve springs.
The SS and Darmah vairaties had the desmo valve gear and higher compression.
The 750 GT and Sport had coil valve springs , but the clearances were set by shims. The 750 SS had the desmo system.
It's a little strange to think that the Desmos that were so rare in the Bevel Head days is now the standard system across the line of the Ducati range , in 2 & 4 valve configuration. And that now you can pick up the early to mid 90's 900 SS belt drive bikes pretty cheap these days. I bought 2 900 SS bikes last year , a CR and a SS SP for a grand total of $2500. They have both slid up the road , but , the basics are sound. Uncrashed bikes of the era can be had for $3000 or so.
I don't use my Darmah much but your right about the 90's SS'S being a bargain. sold a very tidy 94 and all you get for them here in NZ is about $4000US, picked up a 900SL with Termis and FCR's for not much more.
Put a Nitron on the rear and it transforms the ride.
Non ( semi) running, less than mint, 900ss bevel went for mid 20's a few weeks back.
You rarely see bevels on the road here these days
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Old 05-30-2015, 06:36 AM   #12
aerone OP
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Don't Paint It

Original paint 750 SS are selling for twice that of repainted ones. I know a guy that still has his 750 SS. Sadly, he painted it his team colors when he raced WERA. Another guy I know has a real early 750GT. The guy that bought it new had DESMO heads put on it from new. You could afford them then.
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Old 05-30-2015, 11:50 AM   #13
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Its been a ongoing trend with all roundcase 750's for some time.

With the exception of the slump a few years back, its a steady climb for all bevel drives. The SS got the jump on all the others during the increase.

I sold this '74 GT for around $ 3,000 around 1984........wonder what it would bring today !






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Old 05-30-2015, 01:28 PM   #14
Voltaire
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I was on a rally a couple of weeks back and went to see a Vincent blokes shed. The shed or garage was about 120 sq metres and sadly it was full of bikes in various states of disassembly....
I spotted a yellow Ducati 750 sport tank and other Ducati 750 bits, along with lots of 850 Guzzi stuff, a Falcone, a military one, benelli 250, some Egli 500 thing and so on.

I enquired what would a 750 GT project be worth as is...." 9-15K" was the reply. I suggested he rebuild the 750 Sports and not bother with the Guzzi 850's
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Old 05-30-2015, 08:18 PM   #15
Steve G.
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Quote:
Originally Posted by ever onward View Post
its been a ongoing trend with all roundcase 750's for some time.

With the exception of the slump a few years back, its a steady climb for all bevel drives. The ss got the jump on all the others during the increase.

I sold this '74 gt for around $ 3,000 around 1984........wonder what it would bring today !






$25k - $30k.
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