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Lurker
2010 GTS Super
Joined: UTC
Posts: 1
Location: Southern California
 
Lurker
2010 GTS Super
Joined: UTC
Posts: 1
Location: Southern California
UTC quote
Question. I have a new to me, 2010 GTS Super and love it! I want to keep the look very stock but would like to add a little more pep to the step. Would the Polini 9 roller variator by itself give me a boost to speed/performance? Would it wear out the belts faster? I don't want an aftermarket pipe as I love the stock look.

Thank you for your help.
@mike_holland avatar
UTC

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GTS300 Super 2015 Blue, GTS300 Super 2023 Beige
Joined: UTC
Posts: 3380
Location: Sydney, Australia
 
Ossessionato
@mike_holland avatar
GTS300 Super 2015 Blue, GTS300 Super 2023 Beige
Joined: UTC
Posts: 3380
Location: Sydney, Australia
UTC quote
It will give you a small benefit. The only mod that really makes a difference is the Malossi V4 cylinder and head, with its much larger valves. But that gets expensive.

You might also look at other tuning options. Brembo or Frando brake callipers greatly improve your confidence, and a Bitubo front shock really improves the handling and ride.

Mike
UTC

Member
Vespa Sprint 2015 125 3V iE Yellow
Joined: UTC
Posts: 22
Location: Prague
 
Member
Vespa Sprint 2015 125 3V iE Yellow
Joined: UTC
Posts: 22
Location: Prague
UTC quote
I have also Malossi in front and it is day and night! I guess there are only Brembo and Frando kits for GTS? On my HPE brakes are worse than on my 2015 GTS :-O
@willie_b avatar
UTC

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'20 300GTS Super Tec '09 250 GTSie '75 Rally 200 '79 P200 '09 Stella 221
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Posts: 2610
Location: Midway, Kentucky
 
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@willie_b avatar
'20 300GTS Super Tec '09 250 GTSie '75 Rally 200 '79 P200 '09 Stella 221
Joined: UTC
Posts: 2610
Location: Midway, Kentucky
UTC quote
Mike Holland wrote:
It will give you a small benefit. The only mod that really makes a difference is the Malossi V4 cylinder and head, with its much larger valves. But that gets expensive.

You might also look at other tuning options. Brembo or Frando brake callipers greatly improve your confidence, and a Bitubo front shock really improves the handling and ride.

Mike
Agree with Mike. Stock Vespas come with horrid brakes and suspension components. If you're tooling around, they're fine, If you're riding your bike aggressively, the brakes tend to get hot and fade and the twitch in the rear can be a hand full when hard cornering at speed. Change the shocks and front strut, also replace stock suspension bushings with urethane. The bike will be much more direct, stable and predictable, especially through the corners and won't nose over as much under hard braking. At least change the front caliper to Brembo and sintered pads so you can scrub speed much quicker without fading. Doing so will allow you to ride the bike faster with more confidence, especially if you decide to do motor and drive mods. I run Mallosi suspension on my GTS250 and HPE. I hoped to try BGM on the HPE, but they were on indefinite backorder. Tires can also make a huge difference, but unfortunately you'll need to stray from the mileage type. I'm running Pure Powers on the GTS and K61s on the HPE. Haven't put many miles on it, but I'm liking them. The HPE is also 15 mph slower than the GTS, so I don't ride it as much. Good luck
⚠️ Last edited by Willie B on UTC; edited 2 times
UTC

Member
Vespa Sprint 2015 125 3V iE Yellow
Joined: UTC
Posts: 22
Location: Prague
 
Member
Vespa Sprint 2015 125 3V iE Yellow
Joined: UTC
Posts: 22
Location: Prague
UTC quote
Just curious - what you mean by front strut?
@mike_holland avatar
UTC

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GTS300 Super 2015 Blue, GTS300 Super 2023 Beige
Joined: UTC
Posts: 3380
Location: Sydney, Australia
 
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@mike_holland avatar
GTS300 Super 2015 Blue, GTS300 Super 2023 Beige
Joined: UTC
Posts: 3380
Location: Sydney, Australia
UTC quote
NB. The Brembo front callipers need a special mounting bracket. The Frandos just bolt on, and look a lot neater.

I'm also curious about the front strut!
UTC

Hooked
2007 Vespa 250 GTS
Joined: UTC
Posts: 441
Location: Nashville, Tn
 
Hooked
2007 Vespa 250 GTS
Joined: UTC
Posts: 441
Location: Nashville, Tn
UTC quote
I think he is using strut and shock interchangeably.
@willie_b avatar
UTC

Ossessionato
'20 300GTS Super Tec '09 250 GTSie '75 Rally 200 '79 P200 '09 Stella 221
Joined: UTC
Posts: 2610
Location: Midway, Kentucky
 
Ossessionato
@willie_b avatar
'20 300GTS Super Tec '09 250 GTSie '75 Rally 200 '79 P200 '09 Stella 221
Joined: UTC
Posts: 2610
Location: Midway, Kentucky
UTC quote
Maila wrote:
Just curious - what you mean by front strut?
The front shock.
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