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A quick Google search shows that Hylomar is readily available. From Autozone to Grainger to Amazon.
Permatex 85249 Hylomar Universal Blue Racing Formula Gasket Dressing and Flange Sealant, 1.2 oz.
byPermatex
Old thread from below- https://forums.bmwmoa.org/showthread.php?36472-Hylomar
I've never heard of it.....but it's out there.
OM
Permatex 85249 Hylomar Universal Blue Racing Formula Gasket Dressing and Flange Sealant, 1.2 oz.
byPermatex
Old thread from below- https://forums.bmwmoa.org/showthread.php?36472-Hylomar
I've never heard of it.....but it's out there.
OM
I seem to remember buying Hylomar at Pep Boys. However, I've begun to use Permatex Ultra Gray...did so with my top end overall here a while back. Snowbum lists other possibilities here:
http://bmwmotorcycletech.info/chemicalsetc.htm
http://bmwmotorcycletech.info/chemicalsetc.htm
Hylomar
I'm not a fan of silicon based gasket sealants or gasket replacements. Unless the surfaces are absolutely free of all petroleum products, they will not adhere and leaks will reappear. I have been using a product called Yamaha Bond #4 for years. It is great for 2 surfaces that seal without a gasket (motorcycle engine cases, etc) as well as for sealing seals, gaskets and other surfaces. It does not harden but sets up nicely and lasts and lasts. I've even successfully sealed and enjoy a leak-free classic Mini engine -a real rarity.
Part # 90890-05143 at your local Yamaha dealer.
I'm not a fan of silicon based gasket sealants or gasket replacements. Unless the surfaces are absolutely free of all petroleum products, they will not adhere and leaks will reappear. I have been using a product called Yamaha Bond #4 for years. It is great for 2 surfaces that seal without a gasket (motorcycle engine cases, etc) as well as for sealing seals, gaskets and other surfaces. It does not harden but sets up nicely and lasts and lasts. I've even successfully sealed and enjoy a leak-free classic Mini engine -a real rarity.
Part # 90890-05143 at your local Yamaha dealer.
jsouth
Member
I generally agree. But when I looked up Yamaha Bond #4: "A silicone-based liquid gasket that fills gaps on a flange surfaces. When cured (sets in 60 minutes), this product forms a rubber-like gasket that resists high temperatures, seals joints, and offers gear- and engine-oil resistance." Perhaps it has some other modifiers that make it work where others don't.
gsaddict
Pepperfool
I have had great success with the Permatex Ultra grey.
In one instance from the outside as the customer did not want to spend the $ to do it right.
dieselyoda
Active member
Ultra Grey is good stuff but the Permatex Right Stuff is identical to many, many OE engine manufacturers. The only thing that doesn't make it the Perfect Stuff is it's $$$.
