Author Topic: Lemans III vs Lemans 1000 frame question.  (Read 1862 times)

Online Turin

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Lemans III vs Lemans 1000 frame question.
« on: October 20, 2016, 08:52:50 PM »
I'm attempting to order a set of Hagon Nitro shocks for my project. Dave Quinn has them listed for lemans 1-3, but not for the lemans 1000. says they won't fit. My guess is that the stock bodywork would interfere with the fatter shock and that's why there is no listing.
Anyone have a different theory?
2007 Griso 1100
1998 Centauro GT
1997 Daytona RS
1991 Rennsport California III
1991 LeMans 1000
1987 LeMans SE Dave's Cycle Racer
1985 Sidlow Guzzi
1984 LeMans III
1974 850-T Sport
1969 A-series Ambassador
1982 Alfa Romeo GTV6 Balocco SE 3.0

Offline Cal3

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Re: Lemans III vs Lemans 1000 frame question.
« Reply #1 on: October 20, 2016, 10:24:01 PM »
Ive had both......both had Koni' s. I DONT KNOW FOR SURE, , my recollection is that the IV & V's had a longer shock.

Clay

Offline double.d

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Re: Lemans III vs Lemans 1000 frame question.
« Reply #2 on: October 20, 2016, 11:02:50 PM »
the IV's rear frame is angled up so i would guess thay have longer shocks.
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Nolan Woodbury

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Re: Lemans III vs Lemans 1000 frame question.
« Reply #3 on: October 21, 2016, 12:28:19 AM »
850 III and Le Mans 1000 use the same shock length.

Offline ailgev

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Re: Lemans III vs Lemans 1000 frame question.
« Reply #4 on: October 21, 2016, 02:22:43 AM »
Also May Have To Do With Swingarm Length. If The III And IV Have The Same Length I Cant see Why They Wouldnt Be The Same?

Offline mtiberio

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Re: Lemans III vs Lemans 1000 frame question.
« Reply #5 on: October 21, 2016, 06:58:15 AM »
What Nolan says. III and IV same length. While they do have different swingarm tubing diameters, they are the same length. The swoops of the IV frame are behind the shock mounts.
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Offline pressureangle

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Re: Lemans III vs Lemans 1000 frame question.
« Reply #6 on: October 21, 2016, 12:42:11 PM »
Doesn't look like a problem unless the shocks are extremely fat right at the top eye.

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Online Turin

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Re: Lemans III vs Lemans 1000 frame question.
« Reply #7 on: October 21, 2016, 08:10:55 PM »
Diameter of the top of the shock is 3". Might that be too fat for the bodywork ?  I'm ordering them.

Shock length wasn't a concern. I'm running the longer 13.25" Ikons on my 850 T (short swing arm) , and shorter than stock shocks on my ambo.
2007 Griso 1100
1998 Centauro GT
1997 Daytona RS
1991 Rennsport California III
1991 LeMans 1000
1987 LeMans SE Dave's Cycle Racer
1985 Sidlow Guzzi
1984 LeMans III
1974 850-T Sport
1969 A-series Ambassador
1982 Alfa Romeo GTV6 Balocco SE 3.0

Offline Tom

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Re: Lemans III vs Lemans 1000 frame question.
« Reply #8 on: October 21, 2016, 09:29:54 PM »
Glad you got your answer.  Otherwise, I'd have to go into the garage with calipers, tape measure, protractor and pen with pad for your answer. :shocked:
From the Deep Deep South out in left field.  There are no stupid questions.  There are however stupid people asking questions.  🤣, this includes me.  😉 Hawaii.

Offline mgmark

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Re: Lemans III vs Lemans 1000 frame question.
« Reply #9 on: October 21, 2016, 09:36:27 PM »
The difference is in the shock mount widths between the two frames. The 1000 has the wider swingarm and to make the shock mounts line up top and bottom, Guzzi used shouldered upper mounts to move them out. The 850 still had the narrow swingarm and upper shock mounts.
I just went through all this when I used an early swingarm on my LeMans IV frame. I would think the shocks themselves would interchange.

Mark
1984 LeMans > 1985 LeMans + 1978 LeMans > 1989 Lemans > 20 years later, 1985 Lemans > 1980 SP1000 > 1975 850T


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