Scooterotica Tuning & Maintenance Information

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

Last post by HxPaul « Thu Nov 23, 2017 9:55 am
Posted in General Scooter Chat
Replies: 5
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...

5 Replies

3867 Views

Last post by HxPaul
Thu Nov 23, 2017 9:55 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

41146 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

7723 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

10060 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

12385 Views

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

44 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

1618 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

309 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

613 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

1648 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

527 Views

Last post by holty
Sun Aug 12, 2018 8:47 am
kytronic spark magnifier

Last post by Scoot « Mon Jul 09, 2018 6:13 pm
Replies: 3
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

3 Replies

1058 Views

Last post by Scoot
Mon Jul 09, 2018 6:13 pm
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

953 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

2273 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

725 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

692 Views

Last post by coaster
Mon Feb 26, 2018 5:55 pm
Mugello 186 set up

Last post by garry inglis « Tue Jan 23, 2018 6:00 pm
Replies: 2
by Beefbops » Wed Nov 29, 2017 9:22 pm

Got an LI 125, looking to put a Mugello 186 on, wanting to know what you guys are running in yours, looking for reliable touring engine ?

2 Replies

1149 Views

Last post by garry inglis
Tue Jan 23, 2018 6:00 pm
Nylon lined cables

Last post by mr oppinionated « Mon Aug 07, 2017 5:24 pm
Replies: 8
by eadmr04 » Mon Sep 19, 2016 10:02 am

Can you use ordinary inner cables with these or do they have to be a specific type of inner? is it just the outer that is lined?

8 Replies

2544 Views

Last post by mr oppinionated
Mon Aug 07, 2017 5:24 pm
SIL cast iron reed conversion

Last post by Grant McLachlan « Wed Aug 02, 2017 4:22 pm
Replies: 4
by Grant McLachlan » Fri Jul 28, 2017 4:04 pm

Hi has anybody converted a SIL stage 4 cast iron barrel to reed valve using one of the popular small reed blocks ? I'm thinking of doing this, adding...

4 Replies

1237 Views

Last post by Grant McLachlan
Wed Aug 02, 2017 4:22 pm
2 stroke oil

Last post by Scooterdude « Fri May 05, 2017 5:40 pm
Replies: 8
by 2bobscoot » Sun Apr 30, 2017 7:48 pm

We have a long trip coming up in a few weeks to Monza, will need plenty of oil, running a Mugello 198 any good suggestions for oil at a reasonable...

8 Replies

2238 Views

Last post by Scooterdude
Fri May 05, 2017 5:40 pm
Scawalbe Sportsman tyres

Last post by shaunmc « Fri Apr 21, 2017 11:09 am
Replies: 10
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...
10 Replies

2462 Views

Last post by shaunmc
Fri Apr 21, 2017 11:09 am
Malossi 172 running in period - conflicting info!!

Last post by ducksta « Thu Mar 16, 2017 8:33 pm
Replies: 9
by Keeko » Sat Dec 31, 2016 11:45 am

As I eagerly await my 172 kit arriving via the postman, I've been reading some info on the running in period. The instructions that come with the kit...

9 Replies

2537 Views

Last post by ducksta
Thu Mar 16, 2017 8:33 pm
Looking for dyno recommendations

Last post by corrado « Wed Feb 08, 2017 4:06 pm
Replies: 8
by hat » Sun Feb 05, 2017 4:49 pm

Where would people recommend around west/north yorks/ lancs for a dyno session? Not sure if sean does them at harrogate now dan is no longer there?

8 Replies

1774 Views

Last post by corrado
Wed Feb 08, 2017 4:06 pm
SIP speedo connector

Last post by bjhart « Sat Jan 28, 2017 9:45 pm

by bjhart » Sat Jan 28, 2017 9:45 pm

I managed to cut through a couple of the wires when I fixed the headset top, leaving the wire very short, then proceeded to partially melt the...

0 Replies

781 Views

Last post by bjhart
Sat Jan 28, 2017 9:45 pm
Malossi 172 - Head advice needed

Last post by Keeko « Wed Dec 21, 2016 11:33 am
Replies: 2
by Keeko » Mon Dec 12, 2016 3:26 pm

I'm about to take the plunge and buy myself a Malossi 172 Kit for my T5 classic for Xmas. I understand I have to buy an altered cylinder head too. Do...

2 Replies

1105 Views

Last post by Keeko
Wed Dec 21, 2016 11:33 am
Lt coil replacement.

Last post by Meds « Sat Nov 26, 2016 5:54 pm
Replies: 6
by Meds » Wed Nov 16, 2016 4:24 pm

I'm replacing the LT coil on a lambretta electronic ignition and converting it to DC.
This is the second one I have repaired, both showing the same...

6 Replies

2175 Views

Last post by Meds
Sat Nov 26, 2016 5:54 pm
Mugello with 60/107 crank?

Last post by hendy « Wed Oct 26, 2016 6:31 pm
Replies: 4
by Scooterdude » Tue Oct 25, 2016 10:27 pm

Ok so after much deliberation I have finally bought a Mugello 198 kit and a 60/107 crank and a 1mm packer, will I have problems with the piston...

4 Replies

1861 Views

Last post by hendy
Wed Oct 26, 2016 6:31 pm

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