Search found 27 matches
- Wed Apr 23, 2014 5:22 pm
- Forum: Lambretta Tech
- Topic: Any good tyres with large circumference for better top speed
- Replies: 2
- Views: 1155
Re: Any good tyres with large circumference for better top s
So whould that be the same as fitting a 19 tooth front sprocket (to a std GP200 with GP200 gearbox) or does the sprocket gear it up more?
- Wed Apr 23, 2014 4:48 pm
- Forum: Lambretta Tech
- Topic: Any good tyres with large circumference for better top speed
- Replies: 2
- Views: 1155
Any good tyres with large circumference for better top speed
Hi all, I need to get a new tyre for the rear of my GP200 and I’d like to give the engine a bit less work/revs at 55-60mph so I was thinking of fitting a tyre with a larger circumference (but don’t want to file off all the bump stop). The 350x10 Continental’s I have on measure 1367mm when new (give ...
- Tue Apr 22, 2014 11:47 pm
- Forum: Lambretta Tech
- Topic: What spark plug to use for WOT?
- Replies: 6
- Views: 3042
Re: What spark plug to use for WOT?
Thanks Rally220, I'll give that a go.
- Tue Apr 22, 2014 7:16 pm
- Forum: Carburettor Set-ups
- Topic: Lambretta Carb Set-ups.....
- Replies: 77
- Views: 293581
Re: Lambretta Carb Set-ups.....
Standard SIL GP200 AF Clubman exhaust. Standard Indian stage 4 barrel. (Internal casting faults removed but not polished). Inlet manifold smoothed and matched to barrel. Exhaust U pipe/flange matched to barrel. Standard Airbox/filter set up with airscoop but 5 x 10mm holes drilled in a row at the ba...
- Tue Apr 22, 2014 6:52 pm
- Forum: Lambretta Tech
- Topic: What spark plug to use for WOT?
- Replies: 6
- Views: 3042
What spark plug to use for WOT?
Hi all, Just got the jetting sorted on my GP200 and would like to know what spark plug I should be using if going on a decnt run out and using wide open throttle a lot? Not motorway as such but decent A roads. Its a SIL GP200 with AF clubman, standard indian stage 4 barrel (but with inlet and exhaus...
- Mon Apr 21, 2014 6:33 pm
- Forum: Carburettor Set-ups
- Topic: GP200 (SIL) poor performance after ¾ throttle PLEASE HELP
- Replies: 3
- Views: 2690
Re: GP200 (SIL) poor performance after ¾ throttle PLEASE HEL
Thanks for the replies chaps. I’m only using the speedo, not got a GPS, but it seems to feel about right when it says 50 and 55. The scoot just has a std GP gearbox and no sprocket upgrades. I went through the brakes and bearings etc again but nothing amiss so tried upping the tyre pressures to 21 f...
- Mon Apr 21, 2014 12:52 pm
- Forum: Carburettor Set-ups
- Topic: GP200 (SIL) poor performance after ¾ throttle PLEASE HELP
- Replies: 3
- Views: 2690
GP200 (SIL) poor performance after ¾ throttle PLEASE HELP
Hi all, My names Eric and I’ve just come back to Lambrettas after a long break, I had about 15 during the late 70s and early 80s (mostly LI’s but a couple of TV’s too), I also had an SX200 in 1997 till 1999, a few of these I tuned myself for a bit more speed/power (nothing daft) and was always happy...