Maintenance & Technical > KX500 Original
the best gasketts for the k5
BDI:
You know whats cool is they will cut you spacers to go under your cylinder. You can get them in different thicknesses so you can change your port timeing or lift your cilinder for stroker cranks. If you ask they will even make the spacers with little holes for the power valves. This way your power valves are held up in place where they belong. I also order my base gaskets with small holes this helps to hold the power valve up in the jug even better. This works very well if you use the foam rubber covered aluminum gaskets, it helps to stop power valve knock. If you use two spring steel base gaskets with a spacer the power valve knock becomes so loud that you will want to take your bike back appart thinking something is wrong :lol: :lol:.
JohnJr:
Ihave an 01 KX-500 Iwent with the Moose top end gasket kit with the 1MM optional head gasket, it stopped the pinging and easy starting.
Bigtim:
--- Quote from: stewart on March 23, 2009, 08:33:03 AM ---do not knurl the surfaces...i ve seen three out off the last 30 sets of comtic base gaskets that have one hole off
--- End quote ---
any elaborations on the knurling subject would be appriciated... i've heard of pro-circuit recommending it and it works on many other applications in other industries...
maybe for those who dont know, knurling is puting little divots or a trough on the gasket mating surface for a little area for the gasket to catch into, with a punch or razor blade. I know stewart does not, but does any other engine builder out there use the technique? :?
Bigtim:
--- Quote from: Bigtim on March 23, 2009, 03:13:44 AM ---Kaw rider, There are two OE base gaskets on the microfiche, same size... but one is made of cork and the other traditional green board. Which are you suggesting is better? one definatly costs more than the other. :|
--- End quote ---
sorry: the old style green board has been updated with the foam backed alum version also avalable in a cometic version. I just got both, the other is what seems to be cork or wood graine even.. maybe balsa.
martinfan30:
I assume the raised portion of the cometic steel head gasket faces up?
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