GTS OWNERS CLUB

MikeHolland · Posted: Mon Nov 19, 2007 3:49 am Post subject: WOW !!!!!

Just installed a J.Costa variator in my GT. Makes all the other mods look silly!

Mike
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Vespa GTS250 Vintage Red

Tinman · Posted: Mon Nov 19, 2007 1:41 pm Post subject:

Mike,
It makes that much difference?

Can you give us a review? I'm really interested in your views.

Cheers,
Kev T

MikeHolland · Posted: Wed Nov 21, 2007 2:50 am Post subject:

Hi Kev,

I do not have any figures to back up my gut feelings, but acceleration is much improved at least up to 90kph. I have just been testing it on a freeway, and top speed seems to be 3-5kph more, but Sydney is built on a river basin, and there are no straight, level roads and too much traffic, so it will take a week or more of monitoring to form a more definite conclusion.

Installation is dead easy, if you have the tools for working on the transmission. A little more work for me, as I had to disassemble the clutch to change the springs.

Mike
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Vespa GTS250 Vintage Red

smirnoff · Posted: Wed Nov 21, 2007 7:22 pm Post subject:

Are you talkig of the clutch springs or contrast spring?
where they with the variator.
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PHIL....

MikeHolland · Posted: Wed Nov 21, 2007 8:54 pm Post subject:

The contra spring. I had been running with the spring that came with my Malossi variator, but the J.Costa instructions say you should have the standard spring as this is what their variator is designed to wiork with.

Mike
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Vespa GTS250 Vintage Red

Innocenti · Posted: Thu Nov 22, 2007 7:59 am Post subject:

got to get one phil me thinks looks like there be a poloni variator for sale Wink

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Maver · Posted: Thu Nov 22, 2007 10:04 pm Post subject:

i like the sound of the jcosta variator, is there a distributer for these in the UK ?????? if not someone needs to get in there and get the rights, there's money to be made i'm sure Cool

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MikeHolland · Posted: Fri Nov 23, 2007 6:07 am Post subject:

The J.Costa web site lists a whole lot of dealers - all in Spain!

I ordered mine from Scootertrap in the U.S. of A. You should be able to organise something better, like a Spanish holiday.

Mike
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Vespa GTS250 Vintage Red

Innocenti · Posted: Fri Nov 23, 2007 8:11 am Post subject:

have well reaserched it mav no uk dealer stockists only buy vis USA as mike just said , have even spoken to J COSTA direct like stated deakers in spain , italy and france.
With the price of the dollar would be good time to buy Wink

now wheres my credit card Razz

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GTS OWNERS CLUB

LONDON LAMBRETTA CLUB

DARKSIDE

ITS ONLY A SCOOTER !!!!!

Tinman · Posted: Fri Nov 23, 2007 12:06 pm Post subject:

Mike,
I'm still in warranty, and pretty happy with the performance of the stock GTS.

But a bit more speed never goes astray.

My planned mods are the J Costa Variator and Leo Vinci exhaust. From what I've read the Costa variator gives smooth power from take-off and the lag experienced with the standard variator is not apparent.

If you can verify that this is your experience - I'm sold!!

The only issue then is to decide if I wait until I'm out of warranty before the performance mods, just in case I've got any dramas.

I can live with the standard performance until then - it isn't shabby at all and I can report I'm one very happy owner.

Weather here is ideal for scooting, and the GTS certainly surprises plenty of punters as here in Perth it is the land of the 50cc scooter (you can ride them on a car license).

Cheers,
Kev

MikeHolland · Posted: Fri Nov 23, 2007 10:18 pm Post subject:

Hi Kev,

Yes, I am sure the J.Costa variator will give you what you are looking for at this stage.

I guess the next stage for you would be the PM Tuning gadget to override the injector's tuning. The fuel injection system comes tuned to meet Euro 3 emission regulations, not tuned for performance, and gives a weak mixture.

Visited Perth last year. No traffic jams! Great city to scoot around in.

Mike
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Vespa GTS250 Vintage Red

Rub · Posted: Sun Nov 25, 2007 3:01 pm Post subject:

Tinman · Posted: Tue Nov 27, 2007 8:21 am Post subject:

Thanks Mike & Rub,
sounds like the PM tuning device is my next stop. I really appreciate the advice as without helpful advice from guys like you it would be easy to spend a ton and not really get the results I'm after.

It's funny but when I first got the GTS I was happy as Larry with the standard performance - but like any bike/scoot after awhile you always think that a bit more speed wouldn't hurt Wink

Have just got back in from Canberra. Saw a few Vespas there including a nice clean GT in white with the snakeskin seat parked in Civic.

Cheers,
Kev