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Aprilia RS4 125 in France
- 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
- 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: Aprilia RS4 125 in France
Some rides with the aprilia in my french country after the lockdown 











Aprilia safety













Aprilia safety



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- toratora
- Posts: 3162
- Joined: Wed Oct 11, 2017 1:05 am
- Location: San Francisco
- Replica: Derbi GPR
Cagiva Mito
Cobra CX65
Aprilia RS50 - x 1768
- x 1977
- Contact:
Aprilia RS4 125 Smiles in France
B you are doing a great job with these bikes. Makes me smile every time I check out your threads. Thanks much for the posting! 

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- 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
- 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 blankets for the bikes
Hello everyone, sadly I do not have any garage so my bikes need to be protected
So i've bought them some blankets



Also it was leaking some brake liquid out of the master cylinder, so i changed it and also the liquid, then the bike brakes so much better








Sorry I forgot to take pictures of the new master cylinder but it doesn't matter
Here's some pictures with an aircraft




So i've bought them some blankets




Also it was leaking some brake liquid out of the master cylinder, so i changed it and also the liquid, then the bike brakes so much better








Sorry I forgot to take pictures of the new master cylinder but it doesn't matter
Here's some pictures with an aircraft




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- 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: Some Diagnostic for the Aprilia !!
Hello everyone
I wanted to know what was wrong with my bike so I ordered some diagnostic cables and installed "guzzi diag" on the computer of my brother, "guzzi diag" also works for aprilia, you may just have the same diagnostic type than a moto guzzi bike, you have to choose the correct model.

So There was 5 problems detected on my bike

I writed them in french on a paper
So I have a problem with my fuel injector, the ignition coil, my radiator fan isnt working and I didn't notice I had one
, also the sensor based on my exhaust has a problem ( just dont know the name in english), and finally my injection calculator has a problem.

I wanted to know what was wrong with my bike so I ordered some diagnostic cables and installed "guzzi diag" on the computer of my brother, "guzzi diag" also works for aprilia, you may just have the same diagnostic type than a moto guzzi bike, you have to choose the correct model.

So There was 5 problems detected on my bike

I writed them in french on a paper
So I have a problem with my fuel injector, the ignition coil, my radiator fan isnt working and I didn't notice I had one


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- 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 seat
I've bought a new seat for the aprilia because the old one were ripped, this is the same but this one is way more comfortable than the old one.







Here is some pictures with the aprilia under a french sunset










Here is some pictures with the aprilia under a french sunset



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- 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: Braking on steel is cool but no longer
So I changed the brake pads because they were completely dead, the disc is still in a good shape.







Here are the new pads

Sadly they aren't the good ones, there is 2 types of rear brake pads for aprilia rs4

So I ordered the good ones




I've also noticed my bike was making a strange noise while braking, like it was the front suspension wich had some issues.
I've seen this, I need your opinion











Here are the new pads

Sadly they aren't the good ones, there is 2 types of rear brake pads for aprilia rs4

So I ordered the good ones




I've also noticed my bike was making a strange noise while braking, like it was the front suspension wich had some issues.
I've seen this, I need your opinion




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- jkv357
- Posts: 239
- Joined: Fri Dec 01, 2017 6:47 am
- Location: WI
- Replica: '99 GPR EBE-075
- x 444
- x 118
Re: Braking on steel is cool but no longer
At first I thought it looked like the casting was cracked, but looking closer it seems that there is corrosion under the coating that cracked the coating off. The dark areas are corrosion.benito brz wrote: ↑Fri Nov 13, 2020 10:56 am(SNIP)
I've also noticed my bike was making a strange noise while braking, like it was the front suspension wich had some issues.
I've seen this, I need your opinion
![]()
To repair it completely you would need to remove it from the cycle, media blast the piece (masking the tubes) and completely remove all signs of corrosion, then paint or coat it.
Jay
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