Maintenance & Technical > KX500 Original
Bad headgasket
cobbs:
what the hell I went to put coolant in my bike today and it was POURING out of the head all the way around is there some trick to getting these s**tty gaskets to seal the metal ring won't crush down so the rest of the gasket in not sealing you guys have any tricks or a paricular order you torque the head nut down in I've never had this problem before
Foxx4Beaver:
start by lapping the the cylinder and the head to be sure they're PERFECTLY flat....more than likely,thats gonna be your problem.What gasket are you using?
Motorrad:
#1 Which gaskets you using.
#2 Torque the head nuts first (ignore the 2 kips ones past 50%) in a star pattern... then torqe the 2 (Front) kips ones.. 50% 75% 100%
#3. Lap Lap Lap... Ive never seen a flat Jug nor do the replaters pay attention to it either.
#4. after putting in head studs (you tightened those as well right?) use a straight edge.. to make sure there isnt any material pulled up around the studs.... K5 is good for that one.
#5 Dont forget to loosen the Head mount when you torque it... Met many that have.
cobbs:
they have been lapped the metal ring was at 55 thousands the rest of the gasket was at 49 thou and that's after I torqued it down like I said it was pouring out uniformly all around the cylinder but I did torque the exhaust head nuts in my criss cross pattern and I new I should have done those last but I don't think that would have helped anyway because the gasket is a cheap piece of crap and I should have just bought oem but no I used ne super gaskets from China I know I'm a dumbass but I didn't hear anything bad about them so I tried them
Motorrad:
--- Quote from: cobbs on April 08, 2012, 03:51:29 PM ---they have been lapped the metal ring was at 55 thousands the rest of the gasket was at 49 thou and that's after I torqued it down like I said it was pouring out uniformly all around the cylinder but I did torque the exhaust head nuts in my criss cross pattern and I new I should have done those last but I don't think that would have helped anyway because the gasket is a cheap piece of crap and I should have just bought oem but no I used ne super gaskets from China I know I'm a dumbass but I didn't hear anything bad about them so I tried them
--- End quote ---
Cometic is your friend.
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