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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Drilling holes in swing arm
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[QUOTE="yardpro, post: 183346, member: 25269"] although I am not an eggineer I minored in physics, and have fabricated several bikes ( I'm an amateur bbr clone). so here it goes. Any professional welder worth their salt would not burn holes in the swingarm, if there is a marine welder nearby try them b/c they work with aluminum on a regular basis, and they are required to have attractive high quality welds. I've hav a couple of cr aluminum frames modified with great sucess (the welding anyhow). I would try this b/c of the chain alignment problem you could have. If the mounts protruded down from the swingarm and wou mount it flush the chain may start to flop b/c the chain may have to rise up to slide over the guide due to the the bottom becoming slack under acceleration. I don't think the holes would caust you any problems unless your name is seth. [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Drilling holes in swing arm
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