Replica Racers

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General Bike Chat
Chat about general moto info.
Topics: 110

110 Topics

450 Posts

Last post Re: toratora?
by jkv357 View the latest post
Wed Feb 19, 2025 6:27 am
Technical
Discuss technical information.
Topics: 49

49 Topics

234 Posts

Last post New “Tank”
by al_pritchard View the latest post
Mon Mar 24, 2025 8:24 am
Projects
Create a thread about your bike.
Topics: 45

45 Topics

2310 Posts

Last post Re: Derbi GPR Track Bike
by Fedewsb View the latest post
Sat Aug 10, 2024 11:44 pm
Media
A collection of Replica Racer videos, and images
Topics: 50

50 Topics

708 Posts

Last post Re: Lucky Strike GPR
by benito brz View the latest post
Sat Aug 12, 2023 12:55 pm
Tutorials/Resources
How to's for Replica Racers
Topics: 33

33 Topics

110 Posts

Last post Re: After Market Shocks
by Rj_666 View the latest post
Sat Feb 01, 2020 11:59 am

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Last post

Replica Racer Photos

Last post by benito brz « Sat Aug 12, 2023 12:55 pm
Replies: 187
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.

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187 Replies

1532649 Views

Last post by benito brz
Sat Aug 12, 2023 12:55 pm
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.

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Last post

Derbi The Red Power
123 Replies

622110 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

78952 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

139516 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

111579 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

.

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

109188 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

153926 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

89757 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

83207 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

78426 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

90306 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

100723 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

75654 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

89337 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

98498 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

82809 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

75114 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

81664 Views

Last post by toratora
Sat Apr 21, 2018 6:23 pm
Tires: Profiles, Size, and why it’s important.

Last post by toratora « Sat Feb 03, 2018 9:39 am
Replies: 1
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

What and where to get them?

For the RS50, and the Second Edition GPRs with 17 wheels the Sava MC18s are a great choice. In the States Treats has...

1 Replies

76503 Views

Last post by toratora
Sat Feb 03, 2018 9:39 am
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

85883 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

79580 Views

Last post by toratora
Mon Jan 01, 2018 11:29 pm
New “Tank”

Last post by al_pritchard « Mon Mar 24, 2025 8:24 am

by al_pritchard » Mon Mar 24, 2025 8:24 am

The original “tank” cover has seen better days. Like most of them it’s got cracks running from the threaded inserts back along the upper tank. When I...

0 Replies

16233 Views

Last post by al_pritchard
Mon Mar 24, 2025 8:24 am
Gaskets for GPR 75 EBE075 engine

Last post by jkv357 « Fri Feb 21, 2025 7:57 am
Replies: 3
by jkv357 » Thu Feb 13, 2025 1:00 pm

First post

I need a gasket set, mostly head gasket, for my GPR75 with the EBE075 engine.

Is there a model designation for the EBE075 engine? Is it an...

Last post

Treats will get a gasket set with their next order.

Benji at Treats has been super helpful.

And thanks to Al for doing some digging to come up with...

3 Replies

106333 Views

Last post by jkv357
Fri Feb 21, 2025 7:57 am
toratora?

Last post by jkv357 « Wed Feb 19, 2025 6:27 am
Replies: 3
by jkv357 » Fri Feb 14, 2025 10:37 am

First post

Anyone know what happened to toratora?

He hasn't been around for over a year.

Last post

Welcome back!

We were worried!

What field did you study, and are looking to work in?

P.S. - What is a decent tire for the GPR with 16s? I can't...

3 Replies

64317 Views

Last post by jkv357
Wed Feb 19, 2025 6:27 am
EBE050 crank in EBS050 case

Last post by Ivaylo « Tue Feb 18, 2025 11:44 pm

by Ivaylo » Tue Feb 18, 2025 11:44 pm

So I have an Gilera SMT 50 which I want to upgrade, but I have read millions of articles and alla re different and don't answer my question. So I...

0 Replies

32932 Views

Last post by Ivaylo
Tue Feb 18, 2025 11:44 pm

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