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1983 Le Mans 850 III.

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Brian UK View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 07 Aug 2018 at 22:18
Going on my memoery only, which could be suspect, the lean burn carbs had a shield round the needle jet orifice.
Brian.

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Barry View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Barry Quote  Post ReplyReply Direct Link To This Post Posted: 08 Aug 2018 at 08:04
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Mike H View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike H Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2018 at 11:16
Originally posted by Brian UK Brian UK wrote:

Going on my memoery only, which could be suspect, the lean burn carbs had a shield round the needle jet orifice.


Oo-er - don't know of a 'lean burn variety' of the PHF36, I thought it was the smaller jets that did that. So presumably you could change them.


"Chicken nuggets don't dance on a Tuesday."
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Mike H View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike H Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2018 at 11:24

Again thisoldtractor:
MC,    Carburetor,     Idle jet,     Main jet,     needle,     Clip position (From top),     Needle jet,     Slide
Le Mans 1,     PHF 36,     60,     135,     K-5,     2,     265,     60/1
Le Mans 2,     PHF 36,     60,     140,     K-5,     2,     265,     60/1
Le Mans 3,     PHF 36,     50,     115,     K-18,     3,     268,     60/3


So a few things to change there if you wanted to get it like Le Mans 1 or 2.


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Brian UK View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 09 Aug 2018 at 12:27
I remember reading about lean burn (for California) when I had my SPIII which had PHF 36 carbs.
Brian.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote ThatZip Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2020 at 20:02
Recently fitted a full custom Mistral polished stainless exhaust, looks fabulous.

Seeking either a full racing-style fairing (eg. Stucci), or a factory centre fairing section in red.

With thanks and ride safely,

Dr. Zip.
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Dr. Zip.
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1983 'Guzzi 850 Le Mans III
1977 Laverda Jota 1000
1971 Norvil 750 production racer
1975 Norton 850 Interstate
1967 Dresda 750 Triton
1971 BSA 650 Thunderbolt
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Ken-Guzzibear View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ken-Guzzibear Quote  Post ReplyReply Direct Link To This Post Posted: 15 Jan 2020 at 14:14
the lafranconi zorsts are the ones to go for but if you are considering importing stainless look at www.osmc.co.uk ; ...... Got 2 Bro's live in Fl ...... but up on the Gulf Coast Sarasota ...... you do have some superb riding weather out there ....... Welcome to Guzziriders ....
The Older i Get, The Better I Was
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Post Options Post Options   Thanks (0) Thanks(0)   Quote sardineone Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jan 2020 at 22:05
A belated welcome to the board Dr. Zip!  I have the 40mm Dellorto's on my LM4 so I don't know a recommendation for your CA 36's.  Mine were strangely set for the EPA in 86' a bit on the rich side for the 450' above sea level in southern Indiana, FYI.  You might find some info from the MGNOC (USA - Moto Guzzi National Owner's Club) members?
George

One owner 86' Lemans 1000 (member of the family) / BMW R1200ST (current work horse)

You are what you have ridden!
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