Head gasket
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Stage II
Joined: Feb 2023
Posts: 2
Likes: 0
From: tennesee
Head gasket
I used genuine james mls head gasket and base gasket set, my head gaskets are leaking by where those little copper or brass rings are on the sides of the head gasket, what did i do wrong? Followed correct torque specs
Seasoned HDF Member
Joined: Dec 2010
Posts: 7,736
Likes: 1,524
From: Coromandel Peninsula New Zealand
What year is the bike? it could be a cracked crankcase or stretched bolts.
Seasoned HDF Member
Joined: Nov 2006
Posts: 12,878
Likes: 5,449
From: la la land jerzey
We do not use the china James MLS fake cometic - you would think if your going to copy a hi quality piece you would at least try and make it the right way
well they didn’t - the stuff they built the gasket business on is always a go to but not the copied newer fake **** they are now making
well they didn’t - the stuff they built the gasket business on is always a go to but not the copied newer fake **** they are now making
Cruiser
Joined: Jan 2023
Posts: 190
Likes: 410
From: Scotland UK
Have to say I ordered cometic 0.030's previously when I was doing my top end and I hated that they put those stupid brass rivets in there. Dont allow for a flat seal on the heads and if you dont know better, trying to use them with the rivet in place will damage your head mating surface. I have used James gaskets for years and never had any problems with these.
Stellar HDF Member
Joined: Apr 2016
Posts: 3,339
Likes: 2,127
From: Masshole
Have to say I ordered cometic 0.030's previously when I was doing my top end and I hated that they put those stupid brass rivets in there. Dont allow for a flat seal on the heads and if you dont know better, trying to use them with the rivet in place will damage your head mating surface. I have used James gaskets for years and never had any problems with these.
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Seasoned HDF Member
Joined: Mar 2010
Posts: 21,168
Likes: 7,676
From: Poolville
One word... COMETIC......
My torque sequence is 11 ft lb, 22 ft lb, 32 ft lb, 42 ft lb... done...
My torque sequence is 11 ft lb, 22 ft lb, 32 ft lb, 42 ft lb... done...
Last edited by 98hotrodfatboy; Feb 9, 2023 at 06:28 AM.
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