Author Topic: Next project - 1977 Lemans  (Read 947 times)

Offline Scout63

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Next project - 1977 Lemans
« on: April 17, 2022, 04:50:01 PM »
I need to sort a couple of final things on my G5, but after that Iím going to finish the restoration on this Ď77 Lemans.  I picked it up in NY with the 900SS as an uncompleted restoration out of Colorado. It needs installation of the main wiring harness, fairing, ignition box and left-side switches.  The former owner appears to have been very careful and correct in his work, down to very nice frame paint.  I saw some of his Bultaco racers and they were immaculate. The brakes are de-linked with nice stainless hoses. Iíve ordered parts to link them again.  I canít wait to finish it and ride a Lemans for the first time.





Ben Zehnder - Orleans, MA USA
1946 Vincent Rapide
1971 BMW R75/5
1972 Norton Combat Interstate
1973 V7 Sport
1977 Ducati 860GT
1978 Ducati 900SS
1978 Yamaha SR500
1979 V1000G5
2019 Husqvarna Vitpilen 701

Offline cliffrod

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Re: Next project - 1977 Lemans
« Reply #1 on: April 17, 2022, 07:25:34 PM »
That's quite a trailer full of premium Italian motorcycles, Ben.  It must have been a pretty great ride home.
1973 V7 Sport  "Now THAT'S a motorcycle!"-  Master Sculptor Giuliano Cecchinelli
1967 V700 Corsa Record
1981 Lemans CX100
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Offline Scout63

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Re: Next project - 1977 Lemans
« Reply #2 on: April 17, 2022, 08:30:52 PM »
That's quite a trailer full of premium Italian motorcycles, Ben.  It must have been a pretty great ride home.

It was a nice ride home up the Hudson River valley but I must have stopped ten times to check the straps. I was lucky to be able to buy those bikes.  It was more than a financial transaction both for me and the seller.
Ben Zehnder - Orleans, MA USA
1946 Vincent Rapide
1971 BMW R75/5
1972 Norton Combat Interstate
1973 V7 Sport
1977 Ducati 860GT
1978 Ducati 900SS
1978 Yamaha SR500
1979 V1000G5
2019 Husqvarna Vitpilen 701

Offline Pescatore

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Re: Next project - 1977 Lemans
« Reply #3 on: April 18, 2022, 09:43:02 PM »
I hope to come visit again soon to take a close look at these gems.
Happy wrenching.
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Ascolta sempre e solo musica vera
E cerca sempre se puoi di capire

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Re: Next project - 1977 Lemans
« Reply #3 on: April 18, 2022, 09:43:02 PM »

Offline Scout63

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Re: Next project - 1977 Lemans
« Reply #4 on: April 19, 2022, 09:25:22 PM »
I hope to come visit again soon to take a close look at these gems.
Happy wrenching.

The garage is always open...  please come down anytime.
Ben Zehnder - Orleans, MA USA
1946 Vincent Rapide
1971 BMW R75/5
1972 Norton Combat Interstate
1973 V7 Sport
1977 Ducati 860GT
1978 Ducati 900SS
1978 Yamaha SR500
1979 V1000G5
2019 Husqvarna Vitpilen 701

Online czakky82

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Re: Next project - 1977 Lemans
« Reply #5 on: April 29, 2022, 08:11:50 PM »
Lucky man :drool:

Offline Scout63

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Re: Next project - 1977 Lemans
« Reply #6 on: May 06, 2022, 05:44:48 AM »
I figured out pumper carbs last night.  It was slow going rebuilding the first one.  The main jets were pretty chewed up and the pilot jets super clogged. Luckily the parts stash from Harry included bags of jets.  The only problem was reading them with my old eyes.
Ben Zehnder - Orleans, MA USA
1946 Vincent Rapide
1971 BMW R75/5
1972 Norton Combat Interstate
1973 V7 Sport
1977 Ducati 860GT
1978 Ducati 900SS
1978 Yamaha SR500
1979 V1000G5
2019 Husqvarna Vitpilen 701

Offline guzziart

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Re: Next project - 1977 Lemans
« Reply #7 on: May 06, 2022, 06:55:52 AM »
Yeah, these days I have a few magnifying glasses in the tool box and a cheapo from HF with base & aligator clips to hold work.  I should probably look into one of those fancy shmancy ones with an articulating arm & light.  Anyway, nice project bikes, looking forward to seeing more as the projects progess.
'72 Eldo, '72 CL350, '81 CB125s, '87 LMIVSE, '91 CT70, '03 V11 Lemans, '08 Wing & '12 Wee Strom

Offline Canuck750

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Re: Next project - 1977 Lemans
« Reply #8 on: May 07, 2022, 12:01:06 AM »
I figured out pumper carbs last night.  It was slow going rebuilding the first one.  The main jets were pretty chewed up and the pilot jets super clogged. Luckily the parts stash from Harry included bags of jets.  The only problem was reading them with my old eyes.

Those pumper carbs baffle me, I have read up on the number of squirts the carb should deliver but still have not been able to replicate the Ďstockí number of squirts by adjusting the set screw. Glad to hear someone has sorted them, maybe one day I will Ďget ití.
Nice machine you have there, itís going to be a sweet ride when your done.
48 Guzzi Airone, 57 Guzzi Cardellino, 65 Benelli 200 sprite, 66 Aermacchi Sprint, 68 Gilera 106 SS, 72 Eldorado, 72 Benelli 180, 74 Guzzi 750S, 73 Laverda SF1, 74  Benelli 650S, 75 Ducati 860GT, 75 Moto Morini 3-1/2, 78 Moto Morinii 500

Offline Dave Swanson

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Re: Next project - 1977 Lemans
« Reply #9 on: May 07, 2022, 11:54:59 AM »
A friend has owned his 1977 900SS for over 30 years and rides it regularly.  He found the pumpers to be problematic (fouling plugs) and disconnected it, and much prefers running it that way.
Dave Swanson - Northern IL
1935 GTS
1968 V700
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1974 Eldo
1977 Convert
1977 Lemans 1.2
1980 T3 California
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Offline Scout63

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Re: Next project - 1977 Lemans
« Reply #10 on: May 07, 2022, 10:18:55 PM »
Iím not even close to pulling the carbs on the 900.  Hopefully in a week or two.  I havenít tried to adjust the pump rate on the LM 36s, just cleaned everything and reassembled.  Today was windy and cold.  I had a work site visit in the morning, then had a quiet afternoon in the garage.  There is a nesting pair of sparrows in one of my old bicycle helmets in the garage, and they were feeding the young all afternoon. Very relaxing to listen to.  I was able to wire the charging system, coils and Dyna box:









Ben Zehnder - Orleans, MA USA
1946 Vincent Rapide
1971 BMW R75/5
1972 Norton Combat Interstate
1973 V7 Sport
1977 Ducati 860GT
1978 Ducati 900SS
1978 Yamaha SR500
1979 V1000G5
2019 Husqvarna Vitpilen 701

Offline richardhula

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Re: Next project - 1977 Lemans
« Reply #11 on: June 25, 2022, 02:24:45 AM »
Neat rebuild. Just one small observation, front calipers should be behind fork legs on LM. Just swapping left to right will achieve this.

Regards, Richard

Offline 1down5up

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Re: Next project - 1977 Lemans
« Reply #12 on: June 25, 2022, 03:28:29 AM »
Neat rebuild. Just one small observation, front calipers should be behind fork legs on LM. Just swapping left to right will achieve this.

Regards, Richard

Negative.......

850 Lemans had the calipers out front, a quick google for original brochures will confirm

Offline Turin

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Re: Next project - 1977 Lemans
« Reply #13 on: June 25, 2022, 08:49:55 PM »
Yup, calipers out front. The Brochures for the LeMans II shows rear mounted calipers.
1997 Daytona RS
1987 LeMans SE Dave's Cycle Racer
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19?? Sidlow Guzzi
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Offline richardhula

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Re: Next project - 1977 Lemans
« Reply #14 on: June 26, 2022, 03:05:59 AM »
Apologies, so many early LeMans were changed to rear mounted I'd forgotten 🥴 I always preferred rear mounted as caliper mount forces became compressive, seems Guzzi did as well.

Richard

Offline Groover

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Re: Next project - 1977 Lemans
« Reply #15 on: June 29, 2022, 02:15:55 PM »
Very nice! Congrats!
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1987 Moto Guzzi LM1000SE, a
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Offline Scout63

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Re: Next project - 1977 Lemans
« Reply #16 on: July 08, 2022, 09:51:12 PM »
Thanks Groover. I used to like rear mounted calipers for my G5 and you helped me see the light.
Ben Zehnder - Orleans, MA USA
1946 Vincent Rapide
1971 BMW R75/5
1972 Norton Combat Interstate
1973 V7 Sport
1977 Ducati 860GT
1978 Ducati 900SS
1978 Yamaha SR500
1979 V1000G5
2019 Husqvarna Vitpilen 701

Offline Groover

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Re: Next project - 1977 Lemans
« Reply #17 on: July 09, 2022, 01:46:43 AM »
 :azn:
1981 Moto Guzzi V1000G5
1987 Moto Guzzi LM1000SE, a
1987 Moto Guzzi LM1000SE, b
1980 Piaggio Vespa P200E
1980 Piaggio Vespa P125X
1980 Vespa Grande Moped
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