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Derbi GPR50 2003 France project

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User avatar
benito brz
Posts: 129
Joined: Fri Sep 20, 2019 1:26 pm
Location: France
Replica: Derbi GPR 50 2003
Aprilia RS4 125 2014
x 99
x 92

Re: Derbi GPR50 2003 France project

Post by benito brz » Sun Nov 03, 2019 6:29 am

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Now I see why my bike was vibrating while braking

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Something Strange on this picture :idea:

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Nice to see other derbi gpr than mine

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So now we are in the present, I've completely disassembled the bike to make every parts perfect, make a perfect restauration because there were a lot of defaults.
I made a timelapse of the disassembly on my instagram: benito brz
Now let's start everything from the beginning
Cleaning of the frame

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User avatar
benito brz
Posts: 129
Joined: Fri Sep 20, 2019 1:26 pm
Location: France
Replica: Derbi GPR 50 2003
Aprilia RS4 125 2014
x 99
x 92

Re: state of the frame

Post by benito brz » Sun Dec 08, 2019 5:55 am

Hi guys
Today I want to show you the state of the frame, i'm planning to fix it before painting it. I met a welder which could help me to fix it, he works in a workshop and he can fix everything by welding.
His website: http://preparation-moteur-yma.fr/
This guy is an old pilot, he has the speed record on the track of Le Mans with a 750 Kawasaki H2.

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User avatar
benito brz
Posts: 129
Joined: Fri Sep 20, 2019 1:26 pm
Location: France
Replica: Derbi GPR 50 2003
Aprilia RS4 125 2014
x 99
x 92

Re: cleaning of the engine

Post by benito brz » Sun Dec 08, 2019 6:11 am

So the engine was dirty. I wish to paint it because the original paint is going out.

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Cleaning of the starter

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User avatar
benito brz
Posts: 129
Joined: Fri Sep 20, 2019 1:26 pm
Location: France
Replica: Derbi GPR 50 2003
Aprilia RS4 125 2014
x 99
x 92

Re: New parts !!!

Post by benito brz » Sun Jan 19, 2020 10:37 am

Hello everyone, my frame was too expensive to fix so I bought another new and totally blank frame, and some others parts.
I bought it at a shop at Kerpen in Germany, I was impressed to see how many brand new parts of derbi ,aprilia, cagiva… the guy was selling.

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The frame

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New swinging arm and headlight support

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The battery cover

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Clutch tool

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New windshield

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The next step is to punch the letters and numbers on the frame.
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User avatar
benito brz
Posts: 129
Joined: Fri Sep 20, 2019 1:26 pm
Location: France
Replica: Derbi GPR 50 2003
Aprilia RS4 125 2014
x 99
x 92

Re: Derbi GPR50 2003 France project

Post by benito brz » Tue May 05, 2020 6:01 am

Hello everyone, things are getting cool
New frame, new swinging arm, new shock absorber and a lot of new parts
I've cleaned the wiring assembly, the tank and so much others parts
I want this gpr to be clean
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User avatar
benito brz
Posts: 129
Joined: Fri Sep 20, 2019 1:26 pm
Location: France
Replica: Derbi GPR 50 2003
Aprilia RS4 125 2014
x 99
x 92

Re: Derbi GPR50 2003 France project

Post by benito brz » Tue May 05, 2020 6:27 am

Some fresh paint

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electricity

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Chain tensioners

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Tail light

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User avatar
benito brz
Posts: 129
Joined: Fri Sep 20, 2019 1:26 pm
Location: France
Replica: Derbi GPR 50 2003
Aprilia RS4 125 2014
x 99
x 92

Re: Derbi GPR50 2003 France project

Post by benito brz » Tue May 05, 2020 10:02 am

Electric case

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New parts from Germany


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I've noticed there is 2 different types of coolant/oil tank, the new and the old one.

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0 x

User avatar
benito brz
Posts: 129
Joined: Fri Sep 20, 2019 1:26 pm
Location: France
Replica: Derbi GPR 50 2003
Aprilia RS4 125 2014
x 99
x 92

Re: Derbi GPR50 2003 France project

Post by benito brz » Tue May 05, 2020 10:12 am

A lot of new parts :sunglasses:

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User avatar
benito brz
Posts: 129
Joined: Fri Sep 20, 2019 1:26 pm
Location: France
Replica: Derbi GPR 50 2003
Aprilia RS4 125 2014
x 99
x 92

Re: The wheels

Post by benito brz » Tue May 05, 2020 11:36 am

I will do an epoxy paint on my wheels, I will not do it myself so I had to remove everything on the wheels (tyres, brakes discs,...)

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So I will paint the wheels in white because i want my bike to looks like a Lucky strike bike
It could be awesome :starry: :starry:
But I'm waiting to the paint workshop to open because of the quarantine.

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User avatar
jkv357
Posts: 228
Joined: Fri Dec 01, 2017 6:47 am
Location: WI
Replica: '99 GPR EBE-075
x 441
x 118

Re: Derbi GPR50 2003 France project

Post by jkv357 » Wed May 06, 2020 6:37 am

Wow - lots of work there!

Looking good!

Can't wait to see it completed.
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