Scooterotica Tuning & Maintenance Information

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Global Announcement: NEW! Active Topics and Tapatalk (and uploading images)...

Last post by ktmh5 « Mon Dec 09, 2019 11:39 am
Posted in General Scooter Chat
Replies: 7
by drunkmunkey6969 » Mon Nov 20, 2017 10:48 am » in General Scooter Chat

Two 'help' topics for all users, new and old: Active Topics and Tapatalk.

Active Topics:

Anyone visiting the forum via PC/Laptop etc who wants to...

7 Replies

8707 Views

Last post by ktmh5
Mon Dec 09, 2019 11:39 am
Global Announcement: How To Upload Pictures

Last post by Scooterdude « Tue Aug 21, 2018 4:30 pm
Posted in Welcome
Replies: 19
by drunkmunkey6969 » Wed Mar 27, 2013 10:57 am » in Welcome
1

2
Pictures: Anyone wanting to display pics or vids should use these methods:

Flickr (recommended).
1) Sign up to an account with Flickr:
2) Upload...
19 Replies

46853 Views

Last post by Scooterdude
Tue Aug 21, 2018 4:30 pm

Topics

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

11519 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

15031 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

16500 Views

Last post by drunkmunkey6969
Tue Jan 06, 2009 5:07 pm
Lumpy tickover with PHBH

Last post by stand63 « Mon Mar 30, 2020 12:24 pm
Replies: 9
by stand63 » Sun Mar 29, 2020 9:17 am

Hi folks
Running a new build Scootopia 186 with a 28phbh with a tea strainer filter and AF clubman. Runs fine, starts fine and plug colour fine. I’ve...

9 Replies

268 Views

Last post by stand63
Mon Mar 30, 2020 12:24 pm
variatronic ignition fitted to a casa 225 timing instructions

Last post by garry inglis « Sun Feb 16, 2020 11:59 am
Replies: 10
by holty » Fri Feb 14, 2020 8:33 pm
1

2
hi all, im just building a casa 225 x7 kit onto an engine for a mate of mine, also got a protti pipe and a variatronic ignition to fit, the...
10 Replies

1205 Views

Last post by garry inglis
Sun Feb 16, 2020 11:59 am
Mugello 225 best touring exhaust

Last post by Cooliorz « Sat Feb 15, 2020 4:53 am
Replies: 2
by Cooliorz » Tue Feb 11, 2020 5:40 pm

Hi guys,
I just assembled a Mugello 230 long-stroke engine.
The ports have been matched and a boost port has been added, as well as piston windows....

2 Replies

369 Views

Last post by Cooliorz
Sat Feb 15, 2020 4:53 am
Imola gearing

Last post by Spj « Sat Dec 14, 2019 3:55 am
Replies: 6
by Simon lambretta » Sun Nov 24, 2019 3:14 pm

Hi, I’ve just bought a imola kit, and I was thinking about saving up for a af 5 speed gearbox.Would it be worth buying,or stick to li50...

6 Replies

936 Views

Last post by Spj
Sat Dec 14, 2019 3:55 am
kytronic spark magnifier

Last post by firekdp « Tue Nov 26, 2019 11:17 am
Replies: 8
by nick b » Thu Jun 14, 2018 10:26 am

has anyone had experience of a spark magnifier I have one but have heard it could cause stator failure so asking for advice from anyone has got one

8 Replies

3500 Views

Last post by firekdp
Tue Nov 26, 2019 11:17 am
225 Cylinder Head Profiling

Last post by Cav « Mon Nov 25, 2019 12:43 pm
Replies: 6
by Cav » Tue Nov 19, 2019 12:55 pm

Anyone re profiled a standard 200 head to fit a re bored 70mm barrel themselves? Anyone done this at home using a profiling tool such as a Dremel. I...

6 Replies

635 Views

Last post by Cav
Mon Nov 25, 2019 12:43 pm
SX 200 Disc pads hydraulic conversion

Last post by Grumpy225 « Wed Nov 20, 2019 7:52 pm
Replies: 1
by Cav » Wed Nov 20, 2019 12:57 pm

I've got a front disc brake SX200 hydraulic conversion, but it's in parts. It's a copy, but based on the standard Innocenti hub and brake assembly...

1 Replies

308 Views

Last post by Grumpy225
Wed Nov 20, 2019 7:52 pm
Scawalbe Sportsman tyres

Last post by Cav « Wed Nov 20, 2019 1:05 pm
Replies: 11
by Scooterdude » Tue Dec 27, 2016 11:12 am
1

2
Ok now Im getting a bit more steam from my Lambretta I'm thinking of upgrading the tyres from the Schwalbe classic white walls I'm currently running...
11 Replies

3570 Views

Last post by Cav
Wed Nov 20, 2019 1:05 pm
Intake length calculator

Last post by Avantone « Wed Jul 03, 2019 11:52 am

by Avantone » Wed Jul 03, 2019 11:52 am

Hi, the Optimum Intake Runner Prediction software stickied in this section says that I'd need an 18 inlet tract to achieve harmonics within a usable...

0 Replies

970 Views

Last post by Avantone
Wed Jul 03, 2019 11:52 am
Remote filter

Last post by rbartucca33 « Wed May 01, 2019 9:27 pm

by rbartucca33 » Wed May 01, 2019 9:27 pm

Good Evening everyone , have found latest broken part on Vijay , can anyone recommend a remote filter and where would I start with jetting? Have...

0 Replies

1302 Views

Last post by rbartucca33
Wed May 01, 2019 9:27 pm
PHBH Carb Question

Last post by Warkton Tornado No.1 « Fri Apr 12, 2019 11:44 pm
Replies: 7
by cartmel808 » Wed Apr 10, 2019 11:10 pm

What’s the significance of the brass washer (pictured below) on PHBH carbs and Is it essential to the carburettors operation to have it in place??...

7 Replies

1423 Views

Last post by Warkton Tornado No.1
Fri Apr 12, 2019 11:44 pm
Vespa- exhaust port only?

Last post by 3narf « Tue Apr 09, 2019 11:40 am
Replies: 2
by 3narf » Mon Apr 08, 2019 8:52 pm

Hi

I have a standard LML 150 reedvalve engine. I'll be replacing crank, cylinder, carb, ignition etc eventually but for now I'm just doing some...

2 Replies

642 Views

Last post by 3narf
Tue Apr 09, 2019 11:40 am
advice

Last post by simon_t « Fri Mar 22, 2019 7:59 pm
Replies: 2
by simon_t » Fri Mar 22, 2019 6:51 pm

Hi All,
looking for some jetting advice for my TS1 and 30mm phbh plus Ron Moss Avanti ex-box zaust.

Cheers

2 Replies

690 Views

Last post by simon_t
Fri Mar 22, 2019 7:59 pm
fuses

Last post by l111amo « Thu Jan 03, 2019 10:17 pm
Replies: 10
by nick b » Wed Dec 12, 2018 1:24 pm
1

2
I keep blowing fuses on my battery not immediately but every few days what is the highest ampage that is safe to use?
10 Replies

3096 Views

Last post by l111amo
Thu Jan 03, 2019 10:17 pm
GT240 - Mikuni TMX35 ?

Last post by Wayne Miller « Mon Dec 10, 2018 7:45 pm
Replies: 1
by lockman69 » Mon Dec 10, 2018 5:10 pm

Hi

Is anybody running a GT240 with the bigger carb option/ Mikuni TMX35 ?

I am just finishing off my engine build (out the box with no additional...

1 Replies

814 Views

Last post by Wayne Miller
Mon Dec 10, 2018 7:45 pm
Mikuni TM28 jetting suggestions please

Last post by vegansydney « Mon Sep 10, 2018 3:04 pm
Replies: 2
by Pompeydave » Sun Sep 09, 2018 9:08 pm

Hi all, I’ve got an Italian GP125 with GP200 gearing, a Casa 185 kit that has been bored out to 198, a BGM electronic ignition timed at 20 BTDC, a...

2 Replies

1191 Views

Last post by vegansydney
Mon Sep 10, 2018 3:04 pm
what wire goes where?

Last post by nick b « Fri Aug 24, 2018 1:24 pm
Replies: 14
by nick b » Sat Jul 07, 2018 1:33 pm
1

2
i have just had to renew my ignition switch it is a dc . I assumed that all I had to do is unplug the old wires and replace them with the same...
14 Replies

3279 Views

Last post by nick b
Fri Aug 24, 2018 1:24 pm
gp 150 with a casa 225 kit

Last post by holty « Sun Aug 12, 2018 8:47 am
Replies: 1
by shipscat » Sat Aug 11, 2018 9:42 pm

i'm renovating a gp 150 for a friend that had an AF 230 kit it now has a cassa 225 that i have fitted , it already has a dellorto 34mm vshb , the...

1 Replies

1045 Views

Last post by holty
Sun Aug 12, 2018 8:47 am
Balancing a lambretta crank/top end??

Last post by GeorgeS « Sun Jun 10, 2018 12:14 pm
Replies: 4
by Raffspeed » Sat Jun 02, 2018 6:03 pm

Need some advice folks,
I'm building a 135/140 Vega. From what I'm told, when this is done the machine has a tendency to vibrate a touch. This gave...

4 Replies

1783 Views

Last post by GeorgeS
Sun Jun 10, 2018 12:14 pm
Cleaning small sieze marks barrel and piston?

Last post by rosscla « Mon Apr 30, 2018 12:25 am
Replies: 9
by eadmr04 » Thu Apr 06, 2017 8:21 pm

Just stripped the top end on my missus GP and it looks like it might have had a small nip up in the past, nothing too drastic. What's the best way to...

9 Replies

3421 Views

Last post by rosscla
Mon Apr 30, 2018 12:25 am
Direct Bikes Ninja help/advise?

Last post by Martin20 « Thu Apr 12, 2018 6:10 pm
Replies: 5
by lenty » Thu Apr 12, 2018 11:06 am

Hi All,
Before anyone takes the Micky out of me I know buying a direct bikes Ninja 4 stroke is not the best choice. However, I do 3 miles a day on it...

5 Replies

1577 Views

Last post by Martin20
Thu Apr 12, 2018 6:10 pm
Avanti gearing advice

Last post by coaster « Mon Feb 26, 2018 5:55 pm

by coaster » Mon Feb 26, 2018 5:55 pm

Hi, just in the process of rebuilding my reed valved Avanti which has been running with 20 x 47 sprockets and Li125 Special gears (4.7) It did run...

0 Replies

1245 Views

Last post by coaster
Mon Feb 26, 2018 5:55 pm

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