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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
49cc 2 stroke compression
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[QUOTE="SHSPVR, post: 1313278, member: 73255"] Most avg air cool 2 stroke motor have do low compression ratio any where for 6.0 to 7.5 so 75 PSI on a 49cc 2 stroke is about rigth. Like what Rod said pull cylinder head and pull the cylinder off so you can look at cylinder bore and piston and rings post screen shot here I sure we can help with it. [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
49cc 2 stroke compression
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