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@swiss1939 avatar
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P208, Stella VMC Stelvio 187, Stella 150, VNX1T, V9A1T, V9B1T, 02 Sportster XLH1208
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UTC quote
https://scooterlab.uk/eicma-2020-quick-live-roundup-news-2/

You just gotta shell out somewhere in the range of $600-$2000 for new cases to get the benefit of an improved $10 part!

https://youtu.be/q5njcFY1hCU
⚠️ Last edited by swiss1939 on UTC; edited 2 times
@ginch avatar
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Veni, Vidi, Posti
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@ginch avatar
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UTC quote
It's a good idea. You could theoretically replace both bearing and seal in the scooter.
UTC

Jet Eye Master
PX221 MHR, O tuned PX200, PX181 Quattrini and some motorbikes
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Jet Eye Master
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UTC quote
Fantastic idea. I hope Malossi do the same revision on their new casings.

Clutch side seals falling out on tuned scooters is such a big problem. Like a badge of honour. Is like you know when your scooter has achieved high bhp because the seal does actually fall out.

This is way better than all the Loctite and dot punching to try to get a seal to hold. I have seen a few creative ways to hold them in with screws and brackets but don't have any pictures. If anyone has any post them up.
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@swiss1939 avatar
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P208, Stella VMC Stelvio 187, Stella 150, VNX1T, V9A1T, V9B1T, 02 Sportster XLH1208
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UTC quote
I'm not knocking it. I'm just saying it sucks you gotta buy new engine cases to get that benefit!
UTC

Molto Verboso
One or two fun scoots....nothing too precious
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UTC quote
Jack, how do you feel about the older style rubber seal for the P2? Does that lip on the seal and the groove in the casing that it locks into create a more stable fit than the metal seal? The reason I ask is that BGM has recently introduced a high quality FKM/Viton version of the old style rubber seal.
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@swiss1939 avatar
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@swiss1939 avatar
P208, Stella VMC Stelvio 187, Stella 150, VNX1T, V9A1T, V9B1T, 02 Sportster XLH1208
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UTC quote
Also Malossi has new cases for 150 kits, with the updated iron cylinder that replaced the 166 kit! 63mm bore iron version of the aluminum mhr!

https://scooterlab.uk/eicma-2020-quick-live-roundup-news-2-2/
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UTC quote
so basically they reinvented the GS/SS clutch side seal setup
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@safis avatar
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UTC quote
Beat me to it
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keep in mind that assembly is more rushed with this setup as you have to install the seal and then bearing before it cools back down.
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Posts: 8595
Location: Victoria, Australia
UTC quote
swiss1939 wrote:
Also Malossi has new cases for 150 kits, with the updated iron cylinder that replaced the 166 kit! 63mm bore iron version of the aluminum mhr!

https://scooterlab.uk/eicma-2020-quick-live-roundup-news-2-2/
The cast iron 177 isn't an MHR... in some places it's described as a Sport. But then no specs to see the difference between the aluminium Sport and the cast iron one. A mate has fitted one, I'm yet to give it a test ride!
OP
@swiss1939 avatar
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P208, Stella VMC Stelvio 187, Stella 150, VNX1T, V9A1T, V9B1T, 02 Sportster XLH1208
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@swiss1939 avatar
P208, Stella VMC Stelvio 187, Stella 150, VNX1T, V9A1T, V9B1T, 02 Sportster XLH1208
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UTC quote
Ginch wrote:
swiss1939 wrote:
Also Malossi has new cases for 150 kits, with the updated iron cylinder that replaced the 166 kit! 63mm bore iron version of the aluminum mhr!

https://scooterlab.uk/eicma-2020-quick-live-roundup-news-2-2/
The cast iron 177 isn't an MHR... in some places it's described as a Sport. But then no specs to see the difference between the aluminum Sport and the cast iron one. A mate has fitted one, I'm yet to give it a test ride!
Sorry, you are correct. They label the cylinders designed for 57mm as sport and 60mm as MHR. This one is a sport. I'm assuming this is why they discontinued the 166mkIII kit I bought a few months ago.
UTC

Jet Eye Master
PX221 MHR, O tuned PX200, PX181 Quattrini and some motorbikes
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Jet Eye Master
PX221 MHR, O tuned PX200, PX181 Quattrini and some motorbikes
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Posts: 4438
Location: London UK
UTC quote
swa45 wrote:
Jack, how do you feel about the older style rubber seal for the P2? Does that lip on the seal and the groove in the casing that it locks into create a more stable fit than the metal seal? The reason I ask is that BGM has recently introduced a high quality FKM/Viton version of the old style rubber seal.
I think your luck is about the same. Three issues that make the clutch seal come out on tuned engines are, the extra heat, wouldn't take much extra heat to loosen it. The rpm, tuned P engines often rev to 9000rpm. And the suction force from that big fat expansion that makes them go so well.

I have seen metal and rubber seals both come out. The rubber ones tend to do less damage when they do. Noticing early is so important.

Can't believe they changed to this PX seal from what was in the GS. Own goal.
OP
@swiss1939 avatar
UTC

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P208, Stella VMC Stelvio 187, Stella 150, VNX1T, V9A1T, V9B1T, 02 Sportster XLH1208
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@swiss1939 avatar
P208, Stella VMC Stelvio 187, Stella 150, VNX1T, V9A1T, V9B1T, 02 Sportster XLH1208
Joined: UTC
Posts: 4110
Location: Staten Island, NY
UTC quote
Jack221 wrote:
swa45 wrote:
Jack, how do you feel about the older style rubber seal for the P2? Does that lip on the seal and the groove in the casing that it locks into create a more stable fit than the metal seal? The reason I ask is that BGM has recently introduced a high quality FKM/Viton version of the old style rubber seal.
I think your luck is about the same. Three issues that make the clutch seal come out on tuned engines are, the extra heat, wouldn't take much extra heat to loosen it. The rpm, tuned P engines often rev to 9000rpm. And the suction force from that big fat expansion that makes them go so well.

I have seen metal and rubber seals both come out. The rubber ones tend to do less damage when they do. Noticing early is so important.

Can't believe they changed to this PX seal from what was in the GS. Own goal.
So best method to hopefully prevent it, without this style case, is use red loctite around it to keep it in place and pray for the best?
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