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Canadian Daves JustKDX
Zerk fitting in swingarm....pictures.
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[QUOTE="mulerider, post: 577554, member: 40508"] My 86 had a grease zerk right in the pivot bolt on the nut side. I think this was stock because they included it in the service manual. Essentially the pivot (swingarm) bolt was bored out with 2 ports in the middle of the needle bearings. This ensured grease gets to the needle bearings. As a general rule 1 to 3 pumps of a grease gun is all you need. To much grease can cause problems also. If a bearing is overloaded it has no place to relieve itself of spent grease. that spent grease gets hot and increases the temp of the bearing itself. When bearing temps get to hot they expand and you lose the clearence inside the bearing that the needls/balls need to run smoothly and friction free. Essentially they skid along the race, and if they skid there is no lubrication between the balls/needles and the races. I always used to take my wheel bearing and pull the rubber seal from them and pack as much grease into them as I could. I could never figure out why after 2/3 scrambles I had to change my wheel bearings. They would be sloppy or just plain tore up. I thought I was doing good by adding the extra grease, after all anyone look at a new bearing and see how much grease is in it? Not much, but that is by design from the bearing manufacturer. A little grease is all you need, along with regular cleaning and maintanence your bearing will last alot longer. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Zerk fitting in swingarm....pictures.
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