What causes a blown head gasket on a Harley?
The head gasket usally don’t blow without a reason. In most cases (including mine) it is pulled cylinder studs that causes the head gasket to blow out. Make sure the mechanic that works on the bike checks the studs.
How do you tell if you have a blown head gasket on a motorcycle?
What are the signs of a blown head gasket?
- Coolant leaking externally from below the exhaust manifold.
- White smoke from the exhaust pipe.
- Bubbles in the radiator or coolant overflow tank.
- Overheating engine.
- White milky oil.
- Fouled spark plugs.
- Low cooling system integrity.
Can you reuse a head gasket on a motorcycle?
Course you can reuse it, so long as it’s not obviously damaged.
What kind of head gasket should I use on my 1987 Evo?
Get the manual for the torque values and follow them. Use a quality head gasket like James gaskets and a few others. 1987 flh 1340 stock, I have blown head gasket, i can see oil and there is a slight tick where you can feel air excaping between the head and cylinder.
Why is my base gasket leaking on my 1340 Evo?
It’s just a bandaid though. The 1340 Evos are tempermental, in that not warming them up enough and riding them moderately hard can cause premature base and head gasket failures. jUST CHANGED MINE, i APPLIED THE HAYDEN OIL FIX, AND USED COMETIC BASE GASKETS AND HEAD GASKETS.
What causes head gasket to fail on evo 4G63?
Ive also noticed head lift issues on the 4g63’s due to overly advanced ignition timing at higher rpms with ethanol fuels.
Can a head gasket be replaced on a cyls?
Also if you have had leaking base gaskets on the left front of cyls., there is a “pigtail” fix available, but not really necessary with James or Comotec gaskets. I do not know anyone that has replaced head gaskets without doing base gaskets also. Be sure to find out why the head gasket sprung a leak.
Get the manual for the torque values and follow them. Use a quality head gasket like James gaskets and a few others. 1987 flh 1340 stock, I have blown head gasket, i can see oil and there is a slight tick where you can feel air excaping between the head and cylinder.
Why are my base gaskets leaking on my Evo?
The evo’s had this weakness in the cylinder base gaskets and many had to change them because of seepage. I don’t think that the excess oil had much to do with it. They eliminated this weakness with an “O” ring type of seal in the newer TC engines.
Also if you have had leaking base gaskets on the left front of cyls., there is a “pigtail” fix available, but not really necessary with James or Comotec gaskets. I do not know anyone that has replaced head gaskets without doing base gaskets also. Be sure to find out why the head gasket sprung a leak.
What causes the base gasket on a Harley to leak?
Oil leaking past the check valve into engine and I think pressure from excess oil in engine where it doesn’t belong blew out seal. NOW, the base gasket on rear cylinder started to leak. Can the excess oil when engine sumps ( I think thats what its called?) cause this to happen?