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by ForemanBob
Tue Oct 05, 2010 9:35 pm
Forum: Lambretta Tech
Topic: New Member Li125 Dying at full throttle
Replies: 17
Views: 4379

Re: New Member Li125 Dying at full throttle

Take it out until the point that you get your suspected "Fuel Starvation" issue. Full bore in 4th as you say. At that point reach down and turn off the fuel tap. When stopped you should easily be able to check if you are draining the floatbowl. Eliminate that one and then we can consider t...
by ForemanBob
Mon Oct 04, 2010 9:44 pm
Forum: Show us yer Scoots!!
Topic: My Lambretas's
Replies: 15
Views: 4685

Re: My Lambretas's

Fantastic ForemanBob Mine has a Muggello 186 with a Italian 22mm carb bored to 24mm. I did the Coast to Coast with Wellerchap and gang 2 years back now and it runs like a dream. Its a great ride and I just love the colour. How long has yours been built now? Dobbo It started life in 2007 and took me...
by ForemanBob
Mon Oct 04, 2010 7:23 pm
Forum: Show us yer Scoots!!
Topic: My Lambretas's
Replies: 15
Views: 4685

Re: My Lambretas's

Dobbo,
I have a confession to make that your Turquois GP was the inspiration for my restoration project, and was the screensaver on my PC....

This was what I built as a result...

Image
by ForemanBob
Wed Sep 29, 2010 7:57 am
Forum: Lambretta Tech
Topic: Front sprocket options
Replies: 5
Views: 1764

Re: Front sprocket options

For that pipe, it's generally recommended to have a final ration of about 5.3, so your 15 46 combination would look to be spot on.

With the 16 on the front, probably every time you hit a incline you will have to drop a gear.

OK if you live in Lincolnshire. :mrgreen:
by ForemanBob
Mon Sep 20, 2010 7:33 pm
Forum: Lambretta Tech
Topic: Motorcycle Strenth Clutch Cable
Replies: 4
Views: 1740

Re: Motorcycle Strenth Clutch Cable

Might be a little overengineered... My 500 bike's clutch cable looks like battleship rope when compared to that of the lammy standard. However they still snap at the weak points...... I find that the scooter cable lasts as long. Still I carry spare cables for my bike too, and when you carry one of t...
by ForemanBob
Thu Aug 19, 2010 9:28 pm
Forum: Lambretta Tech
Topic: Can't bleed disc brake and starting to get suicidal !
Replies: 5
Views: 2046

Re: Can't bleed disc brake and starting to get suicidal !

I use a large syringe that you can put on the bleed nipple and vacuum out any air bubbles left trapped.... With the use of a fine needle you can also inject additional fluid through the small holes in the master cylinder to pressurise the system more... I was at my wits end for days until I got this...
by ForemanBob
Wed Aug 18, 2010 5:19 pm
Forum: Lambretta Tech
Topic: Running In
Replies: 2
Views: 1310

Re: Running In

Emotive subject, as to how long to run-in for what mix of oil to use etc..... I was given these guidelines and they worked for me... 000 to 100 miles 35 mph and 1/3 throttle max 100 to 300 miles 40 mph and 1/3 throttle max 300 to 500 miles 45 mph and 1/2 throttle max 500 to 600 miles 50 mph and 1/2 ...
by ForemanBob
Fri Jul 30, 2010 8:48 pm
Forum: Lambretta Tech
Topic: Centre stand fitting
Replies: 2
Views: 2255

Re: Centre stand fitting

Think about fitting your stand spring about now ;)
by ForemanBob
Wed Jul 14, 2010 3:47 pm
Forum: Lambretta Tech
Topic: help
Replies: 1
Views: 1012

Re: help

Yes and No is the simple answer. :frog: You need to have a regulated DC supply coming from somewhere to charge the battery with, and it depends what you got with your electronic kit. Have you got a 5 pin regulator fitted?.... like one of these http://www.lambrettaspares.com/spareparts/electronic-ign...
by ForemanBob
Tue Jul 13, 2010 11:05 pm
Forum: Lambretta Tech
Topic: lambretta gearbox advice
Replies: 2
Views: 1216

Re: lambretta gearbox advice

I'd go 16 46 on the Vijay box.... as a personal preferrence.

Need a slightly stretched chain though...

Get yourself a hold of the gearbox visualiser for excel, and it'll give you a chance to play with a number of combinations to give you your desired output.

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