Replica Racers

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General Bike Chat
Chat about general moto info.
Topics: 105

105 Topics

425 Posts

Last post Finding Cagiva Mito opinions
by toratora View the latest post
Thu Jun 11, 2020 2:39 pm
Technical
Discuss technical information.
Topics: 43

43 Topics

211 Posts

Last post Re: 2009 Derbi GPR50 Olle rea…
by Reefyboy-15 View the latest post
Thu Jan 14, 2021 11:48 am
Projects
Create a thread about your bike.
Topics: 42

42 Topics

2161 Posts

Last post Re: 2016 Aprilia RX 50
by Jaxx View the latest post
Thu Dec 17, 2020 2:19 am
Media
A collection of Replica Racer videos, and images
Topics: 50

50 Topics

707 Posts

Last post Re: Yamaha tzr 125
by benito brz View the latest post
Tue Aug 11, 2020 6:15 am
Tutorials/Resources
How to's for Replica Racers
Topics: 33

33 Topics

111 Posts

Last post Re: Tires: Profiles, Size, an…
by Reefyboy-15 View the latest post
Sat Dec 19, 2020 4:02 pm

Active topics

Replies

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Last post

Tires: Profiles, Size, and why it’s important.

Last post by Reefyboy-15 « Sat Dec 19, 2020 4:02 pm
Replies: 2
by toratora » Mon Jun 20, 2016 7:39 pm

First post

V shape vs U shape profiles

This is one of those recurring topics, and that probably has more to do with learning than the actual reality. In the...

Last post

2009 Derbi GPR50 de restricted Ginnelli Exhaust. What would be the best road tyre wet and dry (it rains a lot in the UK) for this bike with a...

2 Replies

35461 Views

Last post by Reefyboy-15
Sat Dec 19, 2020 4:02 pm
Replica Racer Photos

Last post by benito brz « Tue Aug 11, 2020 6:15 am
Replies: 186
by toratora » Thu Nov 09, 2017 3:39 am
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Employ this thread as a means to post up photos of Replicas.

Style guid: For the title of the post include the section name with a colon (:)...

Last post

During my trip in Switzerland I found a beautiful yamaha tzr 125 next to our house
I'm totally in love with these types of bikes
Unfortunately the...
186 Replies

311529 Views

Last post by benito brz
Tue Aug 11, 2020 6:15 am
Moto Photo

Last post by toratora « Thu Apr 16, 2020 9:39 am
Replies: 123
by toratora » Sat Dec 30, 2017 3:39 pm
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First post

Employ this thread as a means to post up fun Moto Photos.

Style guid: For the title of the post include the section name with a colon (:)...

Last post

Derbi The Red Power
123 Replies

283108 Views

Last post by toratora
Thu Apr 16, 2020 9:39 am
Derbi Euro2 Clutch Spring Upgrade

Last post by toratora « Thu Jan 16, 2020 1:47 pm
Replies: 2
by toratora » Sat Nov 18, 2017 7:49 pm

First post

When the engine has been upgraded to output more power it is a good idea to upgrade the clutch springs, in order to keep the clutch from slipping...

Last post

If the gasket is still in good shape you can reuse it. If it tears then you should replace it. They are inexpensive. :paw_prints:

2 Replies

35811 Views

Last post by toratora
Thu Jan 16, 2020 1:47 pm
Carb Tuning Topics

Last post by toratora « Fri Sep 20, 2019 1:01 pm
Replies: 8
by toratora » Sun Sep 16, 2018 7:39 am

First post

This thread is for techniques, and information relating to carb tuning.

Last post

Dellorto PHVA Diagram 1

Dellorto PHVA Diagram 2

Dellorto PHBG Diagram

8 Replies

57677 Views

Last post by toratora
Fri Sep 20, 2019 1:01 pm
Replica Racer Specifications

Last post by toratora « Thu Sep 19, 2019 9:39 am
Replies: 8
by toratora » Tue Nov 14, 2017 10:39 am

First post

A thread for specifications.

Last post

AM6 Torque Settings

8 Replies

54385 Views

Last post by toratora
Thu Sep 19, 2019 9:39 am
Port Maps

Last post by toratora « Fri Aug 02, 2019 7:39 pm
Replies: 8
by toratora » Thu Nov 09, 2017 11:39 pm

First post

How to Make a Port Map

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First you’ll want to collect your tools. For this you’ll need a sheet of notebook paper, a pencil, easily removable...

Last post

Stage6 Big Racing 88 - BR88 Bore 50mm Stroke 45mm

8 Replies

51933 Views

Last post by toratora
Fri Aug 02, 2019 7:39 pm
Wiring Diagrams for Derbi, Aprilia and More!

Last post by toratora « Wed May 22, 2019 9:39 pm
Replies: 9
by toratora » Sun Nov 12, 2017 1:39 pm

First post

This is a thread for wiring diagrams for the Replica Racers like the Derbi GPR, Aprilia RS 50, etc.

Last post

Aprilia AF1 Futura 50 Wiring Diagram

9 Replies

64840 Views

Last post by toratora
Wed May 22, 2019 9:39 pm
Where to Buy Replica Parts

Last post by toratora « Fri Feb 01, 2019 3:39 pm
Replies: 3
by toratora » Tue Nov 07, 2017 3:39 am

First post

First off I have no affiliation with these companies other than that I have bought parts from them multiple times, and had great experiences....

Last post

Quad Lock has kindly provided a 10% to all GPR Camp readers.

Simply go to their website , use the code GPRCAMP in the discount code box, and a ten...

3 Replies

44265 Views

Last post by toratora
Fri Feb 01, 2019 3:39 pm
Aprilia RS 50 Liveries

Last post by toratora « Tue Dec 25, 2018 5:39 pm

by toratora » Tue Dec 25, 2018 5:39 pm

1999 Fumi Blue-Fluo Red

2000 Nik Grey

2000 Rossi Nastro

2001 Diablo Black

2003 Nero SBK

2003 Wea Blue Telephonica

2004...

0 Replies

36692 Views

Last post by toratora
Tue Dec 25, 2018 5:39 pm
How to Become a Good Street Rider

Last post by toratora « Sat Dec 22, 2018 1:39 pm

by toratora » Sat Dec 22, 2018 1:39 pm

Introduction
Today on one of the moto groups in which I interact a new rider asked about how to become a good rider. Having spent many years, and...

0 Replies

38061 Views

Last post by toratora
Sat Dec 22, 2018 1:39 pm
How to Fit a Helmet

Last post by toratora « Sat Dec 01, 2018 9:39 pm
Replies: 1
by toratora » Sat Feb 24, 2018 3:39 pm

First post

This video is nearly 10 years old already, but it's still one of the best for teaching folks how to fit a helmet. I highly recommend watching it a...

Last post

The SHARP Helmet Fitting Guide Video

1 Replies

39004 Views

Last post by toratora
Sat Dec 01, 2018 9:39 pm
Leak Testing a Two Stroke Engine

Last post by toratora « Sat Nov 17, 2018 5:39 pm
Replies: 2
by toratora » Sat Nov 03, 2018 9:39 pm

First post

Background
Air leaks can quickly destroy an engine by creating a lean condition. When a two stroke engine becomes lean it’s quite easy for it to...

Last post

ScooterSwapShop is introducing a leak test kit for about $100 with billet plugs. They put together a decent video illustrating the process.

Even if...

2 Replies

40753 Views

Last post by toratora
Sat Nov 17, 2018 5:39 pm
Fluids, Sealants, Chemicals

Last post by toratora « Fri Nov 02, 2018 3:39 pm
Replies: 1
by toratora » Fri Nov 10, 2017 3:39 am

First post

For the transmission I generally run the Motul Transoil . There are two versions. Either is fine. I usually get the one that's a couple of dollars...

Last post

Copper Coat
To seal exhaust ports the copper coat sealants seem to work the best. It's available in a spray, tube, and a can. I prefer the can...

1 Replies

35998 Views

Last post by toratora
Fri Nov 02, 2018 3:39 pm
Evolution of the Derbi GPR

Last post by toratora « Mon Jul 02, 2018 9:39 pm

by toratora » Mon Jul 02, 2018 9:39 pm

Note : By necessity this posting is incomplete. Over time I will add more material, information, etc., making it more complete.

Derbi's Grand Prix...

0 Replies

35953 Views

Last post by toratora
Mon Jul 02, 2018 9:39 pm
How to set a Balanced GPR Engine with a Senda Performance Crank

Last post by toratora « Sat Jun 16, 2018 1:39 pm

by toratora » Sat Jun 16, 2018 1:39 pm

It's a strange feeling when you search for help on the web, and your posts on how to do things are the closest you find. :eek:

With the help of my...

0 Replies

34158 Views

Last post by toratora
Sat Jun 16, 2018 1:39 pm
Disassembly and Reassembly of a Derbi Euro3 Engine

Last post by toratora « Mon Apr 30, 2018 12:39 am

by toratora » Mon Apr 30, 2018 12:39 am

ScootFast posted up an excellent video to illustrate how to install a Conti CHR crank on a Derbi Senda Euro3 engine. But this is a great tutorial on...

0 Replies

34447 Views

Last post by toratora
Mon Apr 30, 2018 12:39 am
Derbi Euro2 Transmission Pictorial

Last post by toratora « Sun Apr 29, 2018 8:39 pm
Replies: 1
by toratora » Sun Dec 10, 2017 3:29 pm

1 Replies

35335 Views

Last post by toratora
Sun Apr 29, 2018 8:39 pm
Derbi Water Pump Revision

Last post by toratora « Sat Apr 21, 2018 6:23 pm
Replies: 2
by toratora » Sat Nov 18, 2017 7:13 pm

First post

At times you may notice water, or coolant leaking from the engine near the water pump. There is a weep hole there to alert you that it's time to...

Last post

You can do either, but a little bit of water proof grease wouldn't hurt, and it would make it easier to put in the seals. But it's not necessary.

2 Replies

37735 Views

Last post by toratora
Sat Apr 21, 2018 6:23 pm
Media Creation

Last post by toratora « Thu Jan 25, 2018 1:39 am

by toratora » Thu Jan 25, 2018 1:39 am

This subsection is specifically aimed at information related to creating and recording the moto experience.

0 Replies

32149 Views

Last post by toratora
Thu Jan 25, 2018 1:39 am
Alternative Petcocks

Last post by toratora « Mon Jan 01, 2018 11:29 pm

by toratora » Mon Jan 01, 2018 11:29 pm

Treats carries a number of petcocks that can work to some degree for the GPRs, and 06 and newer RS50/RS4-50 bikes. Although none of them are exactly...

0 Replies

32823 Views

Last post by toratora
Mon Jan 01, 2018 11:29 pm
2009 Derbi GPR50 Olle rear shock spring

Last post by Reefyboy-15 « Thu Jan 14, 2021 11:48 am
Replies: 2
by Reefyboy-15 » Tue Jan 12, 2021 12:33 pm

First post

Hi has anybody removed the spring off of a standard GPR50 Olle shock. If so how did you do it ? Any advice please.

Last post

Thanks, My son and I have tried that to no avail. I contacted Olle and they say there is a C clip so have another go. Thanks for your help.

2 Replies

23 Views

Last post by Reefyboy-15
Thu Jan 14, 2021 11:48 am
2016 Aprilia RX 50

Last post by Jaxx « Thu Dec 17, 2020 2:19 am
Replies: 44
by Jaxx » Mon Jan 20, 2020 10:21 am
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I've decided to create (I've should done that while ago) project thread about my bike, it's much more convenient then opening new thread for every...

Last post

Two months ago I've ordered Top Performaces TP 80cc cast 50mm bore/std stroke, this is the kit I wanted in the first place, but it was out of stock...
44 Replies

154403 Views

Last post by Jaxx
Thu Dec 17, 2020 2:19 am
Aprilia RS4 125 in France

Last post by benito brz « Sat Nov 14, 2020 4:16 am
Replies: 22
by benito brz » Sun Nov 03, 2019 7:23 am
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Hello everyone, after i've introduced my Derbi GPR, I wish to introduce my new bike, an Aprilia RS4 125 from 2014. It's so cool to have this bike at...

Last post

You can clean it up and repaint to at least temporarily stop the corrosion. Mask the tube and sand the corrosion and the remaining coating until it...
22 Replies

65800 Views

Last post by benito brz
Sat Nov 14, 2020 4:16 am
Derbi GPR50 2003 France project

Last post by benito brz « Fri Nov 13, 2020 11:12 am
Replies: 79
by benito brz » Fri Sep 27, 2019 10:22 am
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Hello everyone , I'm a French sixteen years old guy, I'm new on the GPR Camp, in this topic I'm gonna talk about my Derbi GPR50 of 2003, I bought it...

Last post

Honestly, you shouldn't need to do any of that.

The problems may come because of aggressive media blasting to strip the wheel. When I strip a wheel...
79 Replies

264318 Views

Last post by benito brz
Fri Nov 13, 2020 11:12 am

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