OP
@iggydaybreaker avatar
UTC

Enthusiast
GS150, LI200, TX200, PX125, T5200, SX200, PX125 CUTDOWN
Joined: UTC
Posts: 72
Location: South West England
 
Enthusiast
@iggydaybreaker avatar
GS150, LI200, TX200, PX125, T5200, SX200, PX125 CUTDOWN
Joined: UTC
Posts: 72
Location: South West England
UTC quote
any recommendations anyone?
@sdjohn avatar
UTC

Johnny Two Tone
'15 GTS300, '86 PX125EFL, '66 VBB, '01 ET4
Joined: UTC
Posts: 8545
Location: San Diego, CA
 
Johnny Two Tone
@sdjohn avatar
'15 GTS300, '86 PX125EFL, '66 VBB, '01 ET4
Joined: UTC
Posts: 8545
Location: San Diego, CA
UTC quote
Which gasket surface?
@frank_n_stein avatar
UTC

Addicted
Jet 200, P200E (x2), T5
Joined: UTC
Posts: 524
Location: Paris & Los Angeles
 
Addicted
@frank_n_stein avatar
Jet 200, P200E (x2), T5
Joined: UTC
Posts: 524
Location: Paris & Los Angeles
UTC quote
There are a ton of great ones in the US, but if Southwest England is anything like France, they're hard to find in Europe. I get great results with Reinzosil 300° including as a head gasket, which doesn't dry up and stick to the metal like Dirko HT, another popular sealing compound.
OP
@iggydaybreaker avatar
UTC

Enthusiast
GS150, LI200, TX200, PX125, T5200, SX200, PX125 CUTDOWN
Joined: UTC
Posts: 72
Location: South West England
 
Enthusiast
@iggydaybreaker avatar
GS150, LI200, TX200, PX125, T5200, SX200, PX125 CUTDOWN
Joined: UTC
Posts: 72
Location: South West England
UTC quote
It's for barrel surfaces . Exhaust, carb , head and main barrel. Thanks frank ! I'll hunt it down !
@waspmike avatar
UTC

Ossessionato
LXV 150 3v ie. Midnight Blue (Sold) Now Honda Zoomer X
Joined: UTC
Posts: 4129
Location: Kingdom of Lanna
 
Ossessionato
@waspmike avatar
LXV 150 3v ie. Midnight Blue (Sold) Now Honda Zoomer X
Joined: UTC
Posts: 4129
Location: Kingdom of Lanna
UTC quote
On My VW aircooled I used Permatex. But can't remember the coloir.
UTC

Hooked
P200e
Joined: UTC
Posts: 129
Location: Eureka, Ca
 
Hooked
P200e
Joined: UTC
Posts: 129
Location: Eureka, Ca
UTC quote
waspmike wrote:
On My VW aircooled I used Permatex. But can't remember the coloir.
Aviation Permatex No3

Great stuff. I've sealed hundreds of VW's Porsche's and motorcycles. With and without gaskets.

It never quite hardens which works great.

Any decent old school auto parts store has it.
@worrywort avatar
UTC

Hooked
PX125E
Joined: UTC
Posts: 190
Location: Gravesend, Kent, UK
 
Hooked
@worrywort avatar
PX125E
Joined: UTC
Posts: 190
Location: Gravesend, Kent, UK
UTC quote
I use Blue Hylomar successfully. It's sold in most car shops. Previous posters elsewhere have voted for the Aviation permatex 3. But I don't know how easy it is to source in the UK.
@chandlerman avatar
UTC

Lucky
76 Sprint V, 63 GL, 62 VBB, 05 Stella, 66 Smallstate, 79 P200E, 66 Lammy S3
Joined: UTC
Posts: 9955
Location: Nashville

71 Days Since Last Explosion
 
Lucky
@chandlerman avatar
76 Sprint V, 63 GL, 62 VBB, 05 Stella, 66 Smallstate, 79 P200E, 66 Lammy S3
Joined: UTC
Posts: 9955
Location: Nashville

71 Days Since Last Explosion
UTC quote
I had issues with Permatex de-bonding on multiple occasions and creating air leaks, especially when I used it on carb or reed gaskets, so I quit using it. I'm wondering if it has to do with gasoline exposure. It basically dries into a powdery crust after a year or so, which then effectively holds a gap open.

I've gone back to quality gaskets and bearing grease to seal cases and that's been working well for me for a few years now. It's amazing to me how, when I've used it for assembly grease on kickstart springs, that grease is still in place the next time I split the motor, despite being inside the crank case.
@socalguy avatar
UTC

bodgemaster
63 GL, 76 Super (x2), 74 Primavera (x2), 79 P200, 06 Fly 150
Joined: UTC
Posts: 7155
Location: So Cal
 
bodgemaster
@socalguy avatar
63 GL, 76 Super (x2), 74 Primavera (x2), 79 P200, 06 Fly 150
Joined: UTC
Posts: 7155
Location: So Cal
UTC quote
Motoseal has never let me down.
@gravelrash2004 avatar
UTC

Addicted
P Series / Li / LML / Motobi
Joined: UTC
Posts: 511
Location: UK - 3rd Rock From the Sun
 
Addicted
@gravelrash2004 avatar
P Series / Li / LML / Motobi
Joined: UTC
Posts: 511
Location: UK - 3rd Rock From the Sun
UTC quote
i use automotive grade silicone sealant, from my local motor spares place. haven't had any issues to speak of. I generally go for the highest temperature range advertised on the packaging.

works well for sealing the crankcase and the cylinder head.
UTC

Member
P200e
Joined: UTC
Posts: 49
Location: Orange , Ca
 
Member
P200e
Joined: UTC
Posts: 49
Location: Orange , Ca
UTC quote
Love this stuff . Its almost exactly like hylomar . Doesnt harden its tacky and gaskets com off after use .
Forum member supplied image with no explanatory text
@jayn avatar
UTC

Hooked
05 Px150, 74 primavera 125, Honda super cub
Joined: UTC
Posts: 157
Location: Ma
 
Hooked
@jayn avatar
05 Px150, 74 primavera 125, Honda super cub
Joined: UTC
Posts: 157
Location: Ma
UTC quote
VSX1T wrote:
Love this stuff . Its almost exactly like hylomar . Doesnt harden its tacky and gaskets com off after use .
I literally just used this stuff the fix my leaky cylinder head. You are right. Works beautifully.
@jocco avatar
UTC

Hooked
Joined: UTC
Posts: 110
Location: Macedonia
 
Hooked
@jocco avatar
Joined: UTC
Posts: 110
Location: Macedonia
UTC quote
I opened the engine twice and used this on the cases as well as the barrel and head.

https://www.sip-scootershop.com/en/products/sealing+compound+wurth+engine+_92110000
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