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Canadian Daves JustKDX
Symptoms of too much oil?
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[QUOTE="BigRedAF, post: 1267391, member: 58172"] As noted by others and suggested by me. Your hose routing is to prevent water from entering your cases when or if you cross a creek / deep water while doing what KDX's are intended to do. MX bikes just vent this hose to the back of the engine and down or into the airbox depending on manufacturer. Since all bikes do this I assumed that the KDX did as well. If you over fill most bikes and ride them tranny oil will come out of the vent hose. Now that I know the routing of your bike I understand why oil doesn't come out, your vent exits higher than your fill hole. The O.P. asked if over filling would cause hard starting, the answer is no. This should wrap things up. To bad your Harley dropped oil, the newer Twin Cam design is holding up well. This design vents the crank via both valve covers to the air box backing plate so the fumes go back through the combustion process. I imagine this is a EPA issue. This configuration also causes a slight vacuum and relieves internal pressure helping to prevent leaky gaskets. I was ready to post and had to make sure that there is no other form of crank vent on the Harley so we wouldn't have to travel down that road together. Even though I have installed five big bore kits, three sets of cams and one 103 stroker crank on mine and several friends bikes in the past few months your persistence forced my to go out in the garage and take a look. I'm happy to say that the two vents come from the rocker box / valve cover area as I mentioned previously. The tranny does have a 90 degree elbow and rubber vent hose coming out of the top cover. [/QUOTE]
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Canadian Daves JustKDX
Symptoms of too much oil?
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