OP
@lucaza avatar
UTC

Member
2013 GTS 300
Joined: UTC
Posts: 13
Location: Johannesburg, South Africa
 
Member
@lucaza avatar
2013 GTS 300
Joined: UTC
Posts: 13
Location: Johannesburg, South Africa
UTC quote
Hi Guys,

Thanks in advance for your help.

I am getting some high Frequency vibration at higher speeds.

These have been occurring randomly but usually stick around for a week or 2.

Vibration definitely feels like it is coming from transmission gears, or possibly wheel bearings or motor bearings, difficult to pin point.

It may also be an exhaust issue as I have a polini pipe on, that recently required a manifold replacement.

Any help will be much appreciated.
Forum member supplied image with no explanatory text
@motovista avatar
UTC

Veni, Vidi, Posti
GT 2.4
Joined: UTC
Posts: 9026
Location: Watts, Cherokee Nation
 
Veni, Vidi, Posti
@motovista avatar
GT 2.4
Joined: UTC
Posts: 9026
Location: Watts, Cherokee Nation
UTC quote
Check to see if your belt is coming apart. That's the most likely part to actually become unbalanced. If you've hit the case a lot with it, there is a chance that some of the top part has broken off.
OP
@lucaza avatar
UTC

Member
2013 GTS 300
Joined: UTC
Posts: 13
Location: Johannesburg, South Africa
 
Member
@lucaza avatar
2013 GTS 300
Joined: UTC
Posts: 13
Location: Johannesburg, South Africa
UTC quote
Gts Vibration from transmission or motor as speed
Thanks MotoVista

Will definitely take a look, makes a lot of sense.

Temps getting really hot here in South Africa, temp now seems to be idleing higher than usual...

Going to also change the gear oil suspect it wasn't changed at my last service.

Thanks for the help
UTC

Ossessionato
2016 Vespa GTS300ie abs/asr/ess Settantesimo '70'
Joined: UTC
Posts: 3766
Location: East Anglia, UK
 
Ossessionato
2016 Vespa GTS300ie abs/asr/ess Settantesimo '70'
Joined: UTC
Posts: 3766
Location: East Anglia, UK
UTC quote
Also, when was the last time the variator came off for a clean and new rollers? Sometimes a roller will stick and cause vibration during running. Then it frees itself and everything is fine until you start to run slow again, or fast or whatever, but a roller/s can occasionally stick due to dirt and wear.
OP
@lucaza avatar
UTC

Member
2013 GTS 300
Joined: UTC
Posts: 13
Location: Johannesburg, South Africa
 
Member
@lucaza avatar
2013 GTS 300
Joined: UTC
Posts: 13
Location: Johannesburg, South Africa
UTC quote
Think you nailed it.

Vibration seems to be eliminated once I accelerate past 120km/h.

I will open up and send pics, thanks guys.
DoubleGood Design banner

Modern Vespa is the premier site for modern Vespa and Piaggio scooters. Vespa GTS300, GTS250, GTV, GT200, LX150, LXS, ET4, ET2, MP3, Fuoco, Elettrica and more.

Buy Me A Coffee
 

Shop on Amazon with Modern Vespa

Modern Vespa is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com


All Content Copyright 2005-2024 by Modern Vespa.
All Rights Reserved.


[ Time: 0.0093s ][ Queries: 4 (0.0031s) ][ live ][ 313 ][ ThingOne ]