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Scooterotica Tuning & Maintenance Information
FREE tuning and maintenance info, plus links to our original tuning pages that started it all off.
Topics: 102 Posts: 420

102 Topics

420 Posts

Last post Re: Gori gp50 on rapido 225
by Leo View the latest post
Wed Mar 03, 2021 11:07 pm

Dyno Graphs

Standard Bolt on Kit Dynos
UKs largest collection of online data regarding standard 'bolt on' cylinder kits and what to expect with popular carb/exhaust combinations.
Topics: 25 Posts: 26

25 Topics

26 Posts

Last post Re: Standard Cylinder Kit Com…
by drunkmunkey6969 View the latest post
Mon Dec 10, 2012 10:59 pm
Lambretta Dyno Graphs
Post your Lambretta dyno graphs here! But graphs & spec info only, keep the chat in the 'dyno chat' section ;o)
Topics: 23 Posts: 594

23 Topics

594 Posts

Last post Re: TUNED AVANTI TT3 30+
by shamrockexpress View the latest post
Sun Jan 10, 2021 2:29 am
Vespa Dyno Graphs
Post your Vespa dyno graphs here! But graphs & spec info only, keep the chat in the 'dyno chat' section ;o)
Topics: 10 Posts: 122

10 Topics

122 Posts

Last post Re: VESPA DYNO GRAPH POSTING …
by culturesponge View the latest post
Thu Oct 30, 2014 5:45 am
Dyno Chat
Want to chat about dyno result or any other aspect of graphs/power/components....then post here!
Topics: 13 Posts: 131

13 Topics

131 Posts

Last post Re: Dyno operators Scotland
by Arfur View the latest post
Wed Oct 07, 2020 9:05 pm

Forum

Tech FAQ
FAQ tech questions, please check if the answer to your question is in here before posting elsewhere.
Topics: 387 Posts: 2661

387 Topics

2661 Posts

Last post Re: carb problems on gp200
by drunkmunkey6969 View the latest post
Wed Jan 06, 2021 10:29 am
General Scooter Chat
General scooter chat, any scooter related non technical info.
Topics: 1175 Posts: 13566

1175 Topics

13566 Posts

Last post Re: Regulator
by Gazjet1 View the latest post
Mon Mar 08, 2021 8:48 pm
Lambretta Tech
Anything related to Lambrettas... ask tech questions, post helpful info, or just read and learn.
Topics: 11174 Posts: 101691

11174 Topics

101691 Posts

Last post Re: Li150 S3 ignition timing
by Warkton Tornado No.1 View the latest post
Sun Mar 07, 2021 9:51 pm
Vespa Tech
Anything related to Vespas... ask tech questions, post helpful info, or just read and learn.
Topics: 2184 Posts: 15126

2184 Topics

15126 Posts

Last post Re: bit of vespa time
by gaz_powell View the latest post
Fri Jan 29, 2021 7:09 pm
Standard Scoots & Restorations
If you want to tell us about or ask about a standard spec or restoration project....post it here.
Topics: 320 Posts: 3125

320 Topics

3125 Posts

Last post Re: Show us your latest proje…
by chippy View the latest post
Fri Jan 01, 2021 1:48 pm
Liquid Cooled, Motorcycle Engine & Automatics Section
Anything related to Lambretta or Vespa Scooters fitted with LC, Motorcycle and/or Auto engines!
Topics: 239 Posts: 2634

239 Topics

2634 Posts

Last post Re: lambretta 290 rotax
by holty View the latest post
Fri Feb 19, 2021 7:54 pm
Paint & Bodywork Tech
Anything related to paint & bodywork issues on scooters....
Topics: 338 Posts: 2254

338 Topics

2254 Posts

Last post Paint strip, Repair & Prime
by Blenks View the latest post
Fri Jan 22, 2021 9:45 am
Carburettor Set-ups
Check here for a list of various carb set-ups to help with jetting and all aspects of carb trickery!
Topics: 433 Posts: 1784

433 Topics

1784 Posts

Last post Re: PWK jetting, running thro…
by Smudge View the latest post
Fri Sep 18, 2020 9:19 pm
Show us yer Scoots!!
Post pics & videos of your scooter, projects you're working on, a lovely Vespa that you saw at a rally, or anything else scooter related.
Topics: 1525 Posts: 19543

1525 Topics

19543 Posts

Last post Re: My latest barn(ish) finds
by Davidsquaredson View the latest post
Mon Dec 28, 2020 4:40 pm
Now and then photos of members..
Show photo's of your scootering history, dont be shy, we all looked stupid back in the day
Topics: 54 Posts: 390

54 Topics

390 Posts

Last post Re: Px125 London 1985
by si68em View the latest post
Thu Nov 19, 2020 6:18 pm

Active topics

Sticky: Lambretta Carb Set-ups.....

Last post by hat « Mon Jun 10, 2019 6:46 pm
Replies: 77
by drunkmunkey6969 » Tue Jan 06, 2009 5:19 pm
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Hi All,

Basically, the idea behind this thread, is that we invite all forum members to post the settings they are currently using on thier...
77 Replies

204078 Views

Last post by hat
Mon Jun 10, 2019 6:46 pm
Sticky: Re: 12V DC CONVERSION - HOW TO

Last post by soulsurfer « Wed Oct 31, 2018 10:43 am
Replies: 213
by byron » Sun Feb 13, 2011 12:21 am
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This is intended as a guide to converting an electronic 12v Lambretta to DC.
So it assumes that the scooter is fitted with a typical stator,...
213 Replies

137093 Views

Last post by soulsurfer
Wed Oct 31, 2018 10:43 am
Sticky: FORK DIMENTIONS

Last post by garry inglis « Sat Sep 02, 2017 7:31 pm
Replies: 9
by RICSPEED » Tue Jan 08, 2013 3:33 pm

LAMBRETTA FORK LENGTH INFO
FORK STEM LENGTHS - all measurements are approx and are taken with the lower bearing track removed
Italian Series 3+ GP -...

9 Replies

21263 Views

Last post by garry inglis
Sat Sep 02, 2017 7:31 pm
Sticky: LAMBRETTA DYNO GRAPH POSTING AREA

Last post by Major Hassle « Sat Jul 15, 2017 10:44 am
Replies: 66
by Adspeed » Sun Nov 08, 2009 8:48 pm
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Post your graphs here!! ;)

Although a dyno should be used as a development tool they are a perfect way to show others the results of many nights in...
66 Replies

125038 Views

Last post by Major Hassle
Sat Jul 15, 2017 10:44 am
Sticky: Vespa Carb Set-ups.....

Last post by HxPaul « Mon Oct 19, 2015 4:39 pm
Replies: 22
by drunkmunkey6969 » Tue Jan 06, 2009 5:26 pm
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Hi All,

Basically, the idea behind this thread, is that we invite all forum members to post the settings they are currently using on thier...
22 Replies

65171 Views

Last post by HxPaul
Mon Oct 19, 2015 4:39 pm
Sticky: VESPA DYNO GRAPH POSTING AREA

Last post by culturesponge « Thu Oct 30, 2014 5:45 am
Replies: 28
by Adspeed » Sun Nov 08, 2009 9:07 pm
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Post your graphs here!! ;)

Although a dyno should be used as a development tool they are a perfect way to show others the results of many nights in...
28 Replies

59844 Views

Last post by culturesponge
Thu Oct 30, 2014 5:45 am
Sticky: Whats wrong with my forks

Last post by rosscla « Thu Jan 31, 2013 8:22 pm
Replies: 28
by muffster » Fri Sep 28, 2012 4:40 pm
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Ok, MOT time today after a restoration onm my S3 LI 125.
Thought all was going well until the MOT man tells me that my front wheel is off centre and...
28 Replies

35917 Views

Last post by rosscla
Thu Jan 31, 2013 8:22 pm
Sticky: Standard Cylinder Kit Combinations

Last post by drunkmunkey6969 « Mon Dec 10, 2012 10:59 pm
Replies: 1
by drunkmunkey6969 » Thu May 17, 2012 9:11 pm

After a conversation with Darrel from 50cc Tuning, we decided it would be a good idea to collaborate and provide the forum members and guests with...

1 Replies

21376 Views

Last post by drunkmunkey6969
Mon Dec 10, 2012 10:59 pm
Locked: Mikuni TMX exploded view

Last post by GP Kevo « Sun May 09, 2010 9:55 pm
Replies: 2
by carlos fandango » Wed May 20, 2009 8:53 pm

Mikuni TMX35mm

o. Description Part No.
1 Mixing Body Carb TM38SS11
2 Jet Needle J8-SEE TUNING
3 Cover, Carb Top 776-19014
4 Lock Nut, Adjuster...

2 Replies

20881 Views

Last post by GP Kevo
Sun May 09, 2010 9:55 pm
Locked: Carb Tuning info

Last post by Diablo « Sun May 02, 2010 12:07 pm

by Diablo » Sun May 02, 2010 12:07 pm

Found this while perusing the interweb. Seems quite well written and easy to understand. Mods if you think so maybe make it into a sticky?

0 Replies

19107 Views

Last post by Diablo
Sun May 02, 2010 12:07 pm
Locked: Dellorto VHSB exploded view

Last post by corrado « Thu Oct 08, 2009 12:05 pm
Replies: 1
by carlos fandango » Fri May 22, 2009 10:44 pm

1 Replies

19382 Views

Last post by corrado
Thu Oct 08, 2009 12:05 pm
Locked: Dellorto Needle detail

Last post by rog60 « Thu Aug 06, 2009 11:31 pm
Replies: 2
by RinB » Tue May 26, 2009 11:30 am

As from an Original Dellorto Guide 1.1

X12.....2.50.....1.8.....18
X7.......2.50.....1.8.....20
X13.....2.50.....1.8.....22...

2 Replies

14476 Views

Last post by rog60
Thu Aug 06, 2009 11:31 pm
Locked: Amal Mk2 exploded view

Last post by carlos fandango « Fri May 22, 2009 10:49 pm

by carlos fandango » Fri May 22, 2009 10:49 pm

0 Replies

15711 Views

Last post by carlos fandango
Fri May 22, 2009 10:49 pm
Locked: Dellorto VHSA exploded view

Last post by carlos fandango « Fri May 22, 2009 10:39 pm

by carlos fandango » Fri May 22, 2009 10:39 pm

0 Replies

19438 Views

Last post by carlos fandango
Fri May 22, 2009 10:39 pm
Locked: Dellorto PHBH exploded view

Last post by carlos fandango « Fri May 22, 2009 10:37 pm

by carlos fandango » Fri May 22, 2009 10:37 pm

0 Replies

17248 Views

Last post by carlos fandango
Fri May 22, 2009 10:37 pm
Locked: FREE logos for street racers and scoot builds.....

Last post by drunkmunkey6969 « Tue Jan 06, 2009 5:43 pm

by drunkmunkey6969 » Tue Jan 06, 2009 5:43 pm

Please find link below, provided by Curryburner (Wayne M).

It maybe usefull for forum members to use as stencils for race logos on thier scoots, or...

0 Replies

17880 Views

Last post by drunkmunkey6969
Tue Jan 06, 2009 5:43 pm
Locked: Tuning Terminology.......

Last post by drunkmunkey6969 « Tue Jan 06, 2009 5:12 pm

by drunkmunkey6969 » Tue Jan 06, 2009 5:12 pm

Note from Dan (drunkmunkey6969): Saw this very useful post on the LCGB site by Curryburner (Wayne M) and so i asked his permision to re-post here on...

0 Replies

16224 Views

Last post by drunkmunkey6969
Tue Jan 06, 2009 5:12 pm
Locked: Basic 2-Stroke Tuning Principles......

Last post by drunkmunkey6969 « Tue Jan 06, 2009 5:10 pm

by drunkmunkey6969 » Tue Jan 06, 2009 5:10 pm

Not my own info but taken from elsewhere on t'internet. Article taken from Eric Gores Forward Motion

TWO-STROKE PRINCIPLES

Although a two-stroke...

0 Replies

21166 Views

Last post by drunkmunkey6969
Tue Jan 06, 2009 5:10 pm
Locked: FREE 2-Stroke tuning info, PDFs and Software........

Last post by drunkmunkey6969 « Tue Jan 06, 2009 5:07 pm

by drunkmunkey6969 » Tue Jan 06, 2009 5:07 pm

Jennings 2-Stroke Tuners Handbook PDF of scanned book :

2-Stroke Performance Tuning, Graham Bell:

Advanced Porting Basics:

Helmholtz Resonance....

0 Replies

21490 Views

Last post by drunkmunkey6969
Tue Jan 06, 2009 5:07 pm
Regulator

Last post by Gazjet1 « Mon Mar 08, 2021 8:48 pm
Replies: 1
by l111amo » Tue Feb 09, 2021 10:09 pm

Hi, a friend after a 6v 5 pin regulator for a lynx; if anybody knows of any, thanks liam

1 Replies

214 Views

Last post by Gazjet1
Mon Mar 08, 2021 8:48 pm
Li150 S3 ignition timing

Last post by Warkton Tornado No.1 « Sun Mar 07, 2021 9:51 pm
Replies: 6
by Freoway » Fri Mar 05, 2021 1:21 am

Hi. I understand that my Lambo should run at around 19 or 23deg BTDC for ignition timing, partly depending on whether fuel is unleaded or not. My...

6 Replies

249 Views

Last post by Warkton Tornado No.1
Sun Mar 07, 2021 9:51 pm
GT 240 Options

Last post by Leo « Sun Mar 07, 2021 6:47 pm
Replies: 31
by MickBH » Fri Jan 15, 2021 9:40 am
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I have a GT 240 built on Intercontinental cases, running Dellorto 30mm carb and BGM Clubman exhaust.

It’s a superb engine but I’m after a bit more...
31 Replies

2108 Views

Last post by Leo
Sun Mar 07, 2021 6:47 pm
Plug Gap

Last post by MightyGem « Thu Mar 04, 2021 9:31 pm
Replies: 6
by MightyGem » Sat Feb 27, 2021 10:55 pm

My Series 2 has a stage 4 175 conversion. What should the plug gap be?

6 Replies

307 Views

Last post by MightyGem
Thu Mar 04, 2021 9:31 pm
Gori gp50 on rapido 225

Last post by Leo « Wed Mar 03, 2021 11:07 pm
Replies: 1
by Cootscoot » Wed Feb 03, 2021 1:12 am

Been looking at the Gori gp50 , anyone know if this would be suitable for a rapido 225 ?

1 Replies

431 Views

Last post by Leo
Wed Mar 03, 2021 11:07 pm
Could it be the reeds

Last post by Leo « Wed Mar 03, 2021 11:03 pm
Replies: 12
by boxofbits » Sat Feb 27, 2021 9:07 pm
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Just popped to the shops on my GT 186 came to a hill so gave it some then all power went pulled clutch in the bumped in 3rd then took it slow home...
12 Replies

399 Views

Last post by Leo
Wed Mar 03, 2021 11:03 pm

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