Vespa 150 (vbb1t) oil seal on the rear wheel breaks week
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Lurker
Vespa 150 VBB1T
Joined: 24 Nov 2018
Posts: 1
Location: Bangladesh
Sat Nov 24, 2018 2:19 am quote
Hello, everyone!
I have a 1961 Vespa 150 and my oil seal in the rear wheel breaks everytime I get a new one. The wheel wobbles a lot and my l breaks are almost non-existent. It's been 6 months and I'm not getting any permanent solutions. Please help me with your valuable opinions.
Veni, Vidi, Posti
74 Super, 75 Super, PX project, LML off-roader and new to 2018, '66 Blue Badge Smallframe
Joined: 30 Nov 2011
Posts: 6499
Location: Victoria, Australia
Thu Nov 29, 2018 1:42 pm quote
The rear hub is probably worn out on the splines.
Hooked
68sprint,65super,64Allstate
Joined: 20 Jul 2017
Posts: 199
Location: Central california
Thu Nov 29, 2018 4:20 pm quote
Vespa 150
Iím going to say what Ginch has said, plus Iím going to say the splines on the axle are damaged as well. Scott
Hooked
2005 Star 150 2t
Joined: 16 Jul 2017
Posts: 253
Location: Melb, Aus
Thu Nov 29, 2018 4:30 pm quote
I'm going to ask.. how's the surface on the shaft where the seal contacts it? Scratches or pitted with corrosion will cause leaking past the seal.
Veni, Vidi, Posti
74 Super, 75 Super, PX project, LML off-roader and new to 2018, '66 Blue Badge Smallframe
Joined: 30 Nov 2011
Posts: 6499
Location: Victoria, Australia
Thu Nov 29, 2018 5:55 pm quote
Philos wrote:
I'm going to ask.. how's the surface on the shaft where the seal contacts it? Scratches or pitted with corrosion will cause leaking past the seal.
Surface is on the hub Phil.

Usually the damage is done to the hub and the driveshaft is ok. But if it's been ridden for some time like this you never know.
Hooked
2005 Star 150 2t
Joined: 16 Jul 2017
Posts: 253
Location: Melb, Aus
Thu Nov 29, 2018 6:21 pm quote
Ginch wrote:
Philos wrote:
I'm going to ask.. how's the surface on the shaft where the seal contacts it? Scratches or pitted with corrosion will cause leaking past the seal.
Surface is on the hub Phil.

Usually the damage is done to the hub and the driveshaft is ok. But if it's been ridden for some time like this you never know.
There ya go.. you learn something everyday!
Hooked
2005 Star 150 2t
Joined: 16 Jul 2017
Posts: 253
Location: Melb, Aus
Fri Nov 30, 2018 12:48 pm quote
Philos wrote:
Ginch wrote:
Philos wrote:
I'm going to ask.. how's the surface on the shaft where the seal contacts it? Scratches or pitted with corrosion will cause leaking past the seal.
Surface is on the hub Phil.

Usually the damage is done to the hub and the driveshaft is ok. But if it's been ridden for some time like this you never know.
There ya go.. you learn something everyday!
I had a look at the design... Hmmm..

Am I right in thinking, if the splines are worn and the hub's got movement on the shaft, the seal's just going to flog out in no time?
Veni, Vidi, Posti
74 Super, 75 Super, PX project, LML off-roader and new to 2018, '66 Blue Badge Smallframe
Joined: 30 Nov 2011
Posts: 6499
Location: Victoria, Australia
Fri Nov 30, 2018 2:49 pm quote
Philos wrote:
Philos wrote:
Ginch wrote:
Philos wrote:
I'm going to ask.. how's the surface on the shaft where the seal contacts it? Scratches or pitted with corrosion will cause leaking past the seal.
Surface is on the hub Phil.

Usually the damage is done to the hub and the driveshaft is ok. But if it's been ridden for some time like this you never know.
There ya go.. you learn something everyday!
I had a look at the design... Hmmm..

Am I right in thinking, if the splines are worn and the hub's got movement on the shaft, the seal's just going to flog out in no time?
Yes indeed!
Land of 10,000 Scoots Rally   Vespa Wasp Pin Badges   AF1 Racing Vespa Austin
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