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Author Topic: Ducati 500 GTL 1975 Resto  (Read 5226 times)

Offline Popeye SXM

  • Posts: 192
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Re: Ducati 500 GTL 1975 Resto
« Reply #30 on: Jan 19, 2019, 09:40:58 »
L.O.T.U.S - Lots Of Trouble Usually Serious
Great project. Looks like you need a bigger garage. Love the Ducati too

Offline HansS

  • Posts: 54
Re: Ducati 500 GTL 1975 Resto
« Reply #31 on: Jan 19, 2019, 11:56:32 »
Thanks. Yes its a great project. It's going slow at the moment. It's been in the family since 1986. It's been driven alot. But I finally realized it needed to be restord.

Well back to the Ducati.
All the aluminium parts are heavily oxidized so I'm doing some glas bead blasting. Here are a before and after picture of the speedo drive.

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Offline Turnturtle

  • Posts: 84
Re: Ducati 500 GTL 1975 Resto
« Reply #32 on: Jan 19, 2019, 17:56:57 »
You made up those two Lotus frames from scratch? That's very impressive!

Offline HansS

  • Posts: 54
Re: Ducati 500 GTL 1975 Resto
« Reply #33 on: Jan 19, 2019, 18:05:34 »
Yes. Alot of measuring. 18 hours to weld one up.
But it was a nice project.
One frame was made for a friend but he gave up with his car so I'm stuck with an extra frame.
Maybe I will use it for a race car I'm collecting parts for.
But first some personal things need to be solved.


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Offline HansS

  • Posts: 54
Re: Ducati 500 GTL 1975 Resto
« Reply #34 on: Jan 29, 2019, 17:14:45 »
New parts picked up. Packed in strange pizza boxes.🤔


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Offline HansS

  • Posts: 54
Re: Ducati 500 GTL 1975 Resto
« Reply #35 on: Feb 15, 2019, 06:03:57 »
A month ago when I went through the front calipers two parts was missing from the one of the repair kits. So new part was ordered.
Yesterday I got a box filled with new parts. :)
Also I changed my mind as I had cheated with the one caliper I did. The pistons was a bit pitted, not too much, but enough to be annoying. So decided to correct it.
New pistons for the calipers was ordered too.
Fun fact, 2 new pistons weighs 47grams, 2 old 132grams. Saving 85grams per caliper.
Soon I have  to change tread from restorations to cafe racer ;D

Offline HansS

  • Posts: 54
Re: Ducati 500 GTL 1975 Resto
« Reply #36 on: Feb 25, 2019, 20:12:32 »
One carb done, one to go.
Both where completely stuck and I have been soaking them in degreaser for weeks. Then they have been in the ultrasonic cleaner for a long time. Soon both are done with new gaskets and seals.

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Offline HansS

  • Posts: 54
Re: Ducati 500 GTL 1975 Resto
« Reply #37 on: Mar 10, 2019, 18:47:55 »
Minor hickup on the wheels so you have to wait for an update on them. However I promise the end result is going to be good.
Both carburetors are done.👍

So todays job was to make a engine stand.
Pretty pleased with the result.
Next up will be to pull the engine apart.

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Offline stroker crazy

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Re: Ducati 500 GTL 1975 Resto
« Reply #38 on: Mar 10, 2019, 20:14:03 »
Next up will be to pull the engine apart.

Will be watching with much interest. I have fond memories of my 500.

Congratulations on the engine stand also.

Crazy
“Ride like the Wind” W.H.

Offline HansS

  • Posts: 54
Re: Ducati 500 GTL 1975 Resto
« Reply #39 on: Mar 11, 2019, 19:14:43 »
Thanks Crazy. I never seen one in sweden.
I hope I will have the plesure to ride it sometime in the future.

Today I removed the head and cylinder.
I think this is going to be an expensive engine rebuild.

At some point someone got the camshafts out of synk. I found a valve imprint in the left piston.👎
It's just a small one.
Hopefully the conrods and crank survived.
Rockers doesn't look to happy. Some pitting in the chrome, but cam shafts look okay.
"It's like a box of chocolates. You never know what you might get"

Also one spark plug thread is not looking to healthy.
Other than that it looks good. Nothing really broken yet.🙏😀
I'm looking forward to open the crankcase.


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