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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Bored out CR 125 blown head gasket
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[QUOTE="rmc_olderthandirt, post: 1364160, member: 68872"] Not torquing the head down properly can definitely lead to a blown head gasket. There will be a specified torque that the bolts should be tightened to and a pattern that the bolts should be tightened in sequence. I always snug the bolts first, then torque them down in several steps so that the last step is only tightening them 1 foot-pound or so. I also recommend checking the torque of each bolt after the engine has been run once or twice. As for water in the carburetor: Are you talking about in the float bowl or in the venturi area? If you managed to get water from the cooling system into the venturi area of the carburetor then I would recommend taking a close look at your reed valves as they may have been damaged. I sure don't see how water could get from the cooling system into the float bowl area. On the flip side, if the bike managed to ingest water through the carburetor I can see how that could cause the head gasket to blow. Your son didn't ride the bike full throttle into a lake, did he? Rod [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Bored out CR 125 blown head gasket
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