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Everything Dirt Bike
General Dirt Bike
Broken Motor Mounts
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<blockquote data-quote="ossagp" data-source="post: 181824" data-attributes="member: 1650"><p>how does the one holding the head look? and how does the hole in the head mount look? Usually when you get breaks it is due to uneven pressure or loose mounts letting the frame flex on hits and landings. those can, believe it or not wear out head and base gaskets from movement. One of the reasons some of us like the oringed heads better. your vintage of rig is one that I have yet to see break a motormount like you are describing. By all means when you get it welded make sure it is a two sided weld, and if at all possible complete the outside weld with the engine in place and the bolt torqued to spec. The frames are made of pretty mild steel contrary to popular belief and don't require any tricks to speak of, but you want them to go together with as little stress as possible to prevent that from happening again.</p></blockquote><p></p>
[QUOTE="ossagp, post: 181824, member: 1650"] how does the one holding the head look? and how does the hole in the head mount look? Usually when you get breaks it is due to uneven pressure or loose mounts letting the frame flex on hits and landings. those can, believe it or not wear out head and base gaskets from movement. One of the reasons some of us like the oringed heads better. your vintage of rig is one that I have yet to see break a motormount like you are describing. By all means when you get it welded make sure it is a two sided weld, and if at all possible complete the outside weld with the engine in place and the bolt torqued to spec. The frames are made of pretty mild steel contrary to popular belief and don't require any tricks to speak of, but you want them to go together with as little stress as possible to prevent that from happening again. [/QUOTE]
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Everything Dirt Bike
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Broken Motor Mounts
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