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@erkers avatar
UTC

Member
Sprint 125i.e 3V ABS
Joined: UTC
Posts: 9
Location: Cannes, France
 
Member
@erkers avatar
Sprint 125i.e 3V ABS
Joined: UTC
Posts: 9
Location: Cannes, France
UTC quote
Hello

I'm not a huge contributor here, so I doubt anyone will remember my post from a while back (2 years ago - time flies!) about a ticking sound from the back of the scooter.

-> Ticking sound from back wheel

Well I finally narrowed it down..

So back then I suspected the gearbox bearings - but after a oil change the noise disappeared. It was gone for quite a while before it returned, And it kept getting louder. So I naturally tried to change the oil again... No effect this time.

Back to the bearings I thought, and changed all of them - quite the experience by the way. =)

But no, the noise remained.

Went through the brake, no change. Double checked the bearings, nope.

SO what was it you ask?

Well, it turns out it was the driven pulley.

Unrelated to the quest to eradicate the ticking noise I noticed that the clutch was a bit worn I decided to rebuild it - only to find that a complete driven pulley assembly was cheaper than the clutch alone. So quick switch later the ticking was gone. And it stayed gone this time.

Taking the old one apart I could see that the bearing, #5 in the pic is probably the problem together with worn out seals...

That, and changing out the shocks means I feel like my 2014 Vespa is brand new. =)

Cheers,
Johan
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UTC

Addicted
Joined: UTC
Posts: 538
 
Addicted
Joined: UTC
Posts: 538
UTC quote
Honda NHX110 clutch troubleshooting technique.

https://www.youtube.com/watch?v=Yb48eRiJwGU

@cosmos avatar
UTC

Addicted
2009 LX 150, 2024 GTS Super
Joined: UTC
Posts: 911
Location: Birmingham, Alabama, USA
 
Addicted
@cosmos avatar
2009 LX 150, 2024 GTS Super
Joined: UTC
Posts: 911
Location: Birmingham, Alabama, USA
UTC quote
Interesting, thank you for sharing that.
When my driven pulley seals went bad at 40,000 miles I replaced it with a slightly used driven pulley assembly from eBay. I suspect the outer needle bearing was getting noisy anyway. I am glad I saved it to re-use the clutch some day.
Also, recently I replaced the variator driving pulley assembly. It did not look like it was worn very much but the new one makes my LX150 accelerate and climb hills so much better now!

Bill
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
Excellent! Thanks for posting. Enjoy.
@bob_copeland avatar
UTC

Ossessionato
2013 Vespa 300 Super, 2022 Kymco AK 550
Joined: UTC
Posts: 3603
Location: Minneapolis USA
 
Ossessionato
@bob_copeland avatar
2013 Vespa 300 Super, 2022 Kymco AK 550
Joined: UTC
Posts: 3603
Location: Minneapolis USA
UTC quote
Sherlock Homes Award
erkers,

I declare, you get the ModernVespa Sherlock Homes Award for
mechanical deductive reasoning above an beyond the call.

Enjoyed your post. How many miles do your have on your 300?
I may have to start listening to mine.

Bob Copeland
Frost Bite Falls Minnesota
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