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Everything Dirt Bike
General Dirt Bike
4 stroke durability
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<blockquote data-quote="Mihylo33" data-source="post: 127271" data-attributes="member: 408"><p>The engineers pretty much have this down to the exact hour. If your manual says 50 hrs you can get away with 60 or so hrs unless you are just hauling the mail. Same goes for the valves. There are a lot of nay sayers about how long you should run pistons and change valves but the manufacturer gives you a time table and a spec sheet for reason and they really don't just pull these numbers out of their ass.</p></blockquote><p></p>
[QUOTE="Mihylo33, post: 127271, member: 408"] The engineers pretty much have this down to the exact hour. If your manual says 50 hrs you can get away with 60 or so hrs unless you are just hauling the mail. Same goes for the valves. There are a lot of nay sayers about how long you should run pistons and change valves but the manufacturer gives you a time table and a spec sheet for reason and they really don't just pull these numbers out of their ass. [/QUOTE]
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Everything Dirt Bike
General Dirt Bike
4 stroke durability
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