OP
@johnryanhebert avatar
UTC

Member
2015 Vespa Primavera 150
Joined: UTC
Posts: 21
Location: Los Angeles
 
Member
@johnryanhebert avatar
2015 Vespa Primavera 150
Joined: UTC
Posts: 21
Location: Los Angeles
UTC quote
Hi friends,

I noticed a peculiar noise today when I was riding today. I hear a quick grinding noise, and feel a slight shutter when I first start out at 0mph/kph and begin accelerating. Everything is perfectly fine after that.

I'm wondering what could be possible causes? I'm riding a 2015 Primavera with about 5,000 mileage. Has anybody experienced this before?

Cheers,

John
@hachi avatar
UTC

Ossessionato
2005 GT 200
Joined: UTC
Posts: 2083
Location: Montgomery,Alabama
 
Ossessionato
@hachi avatar
2005 GT 200
Joined: UTC
Posts: 2083
Location: Montgomery,Alabama
UTC quote
It sounds like dust has accumulated in the clutch bell. You can blow it out with compressed air.
She's growling at me!
OP
@johnryanhebert avatar
UTC

Member
2015 Vespa Primavera 150
Joined: UTC
Posts: 21
Location: Los Angeles
 
Member
@johnryanhebert avatar
2015 Vespa Primavera 150
Joined: UTC
Posts: 21
Location: Los Angeles
UTC quote
Hachi wrote:
It sounds like dust has accumulated in the clutch bell. You can blow it out with compressed air.
She's growling at me!
Thanks Hachi! I tried to google this and didn't find that result. I'll give this a go and see how it works. I should probably own some compressed air...

Hopefully, that's what is going on.

John
@miguel avatar
UTC

Veni, Vidi, Posti
2009 GTV250 (Gone), 2003 Inder trailer (also gone), 2001 BMW R1100RT
Joined: UTC
Posts: 5707
Location: Santa Cruz California
 
Veni, Vidi, Posti
@miguel avatar
2009 GTV250 (Gone), 2003 Inder trailer (also gone), 2001 BMW R1100RT
Joined: UTC
Posts: 5707
Location: Santa Cruz California
UTC quote
I found that simply blowing the dust out didn't work for me. I always pull the transmission cover of and scuff up the inside of the clutch bell with 180 grit sandpaper.

Best Miguel
⚠️ Last edited by Miguel on UTC; edited 1 time
@judy avatar
UTC

World Traveler
2007 LX150 Daring Plum Leonardo Da Vespa
Joined: UTC
Posts: 29304
 
World Traveler
@judy avatar
2007 LX150 Daring Plum Leonardo Da Vespa
Joined: UTC
Posts: 29304
UTC quote
+1 on the sandpaper. That should help.
@ironfoot avatar
UTC

Molto Verboso
'07 GTS 250 - sold
Joined: UTC
Posts: 1321
Location: England
 
Molto Verboso
@ironfoot avatar
'07 GTS 250 - sold
Joined: UTC
Posts: 1321
Location: England
UTC quote
Heh, it comes up here from time to time. There's an entry in the Wiki:
FAQ: Shudder, graunching noise on take-off? Sealion?

I doodled this a month or two back while procrastinating about designs for the ten year anniversary...
Forum member supplied image with no explanatory text
@greasy125 avatar
UTC

Sergeant at Arms
Weird 80's Vespas & Cool Vintage Lambrettas
Joined: UTC
Posts: 14906
Location: The state of insanity, SoCal
 
Sergeant at Arms
@greasy125 avatar
Weird 80's Vespas & Cool Vintage Lambrettas
Joined: UTC
Posts: 14906
Location: The state of insanity, SoCal
UTC quote
5K, sounds like you need a trans service.

pull the cover and take it all apart, inspect the components, blow out the dust, service the clutch friction surfaces. you're kind of in the realm of possibly needing a belt & rollers, but you could be okay with just blowing everything out really well and continuing on.

best,
-greasy
@wobbly_wheels avatar
UTC

Addicted
GTS Super Black 2011
Joined: UTC
Posts: 802
Location: Bedfordshire, England, UK
 
Addicted
@wobbly_wheels avatar
GTS Super Black 2011
Joined: UTC
Posts: 802
Location: Bedfordshire, England, UK
UTC quote
I just started getting this the other day... But only on hard acceleration from a stand still...Another job for the weekend
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