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If my compressor pump required 5hp 700rpm How much power do I need for gas engine? ---------- Post added at 12:29 AM ---------- Previous post was at 12:18 AM ---------- 12 .5hp?

any one here know someone done with honda gx620 on crossfire 150 ? please shown me the link ,would to know before i tear out my crossfire thanks

it not GY6.

how do i know 40 series is good one,can you give me website.

thanks i got used gx620 . like you say clutch A40 wont do or will do? but rear support frame on my crossfire is weak i dont think it can hold weight of gx620 ,i like to rebuild new rear support frame big thing for me i dont how to weld , how your guys thing with big bore kits and stroker crank ?

more input please.any one done with 20hp on crossfire?

Hello everyone i had crossfire 150cc i would like upgrade engine would i go with 180cc bigbore kit or go with 20hp gx620 how fast it will run with honda gx620 (i know if i go with honda gx620 it more work)would your guys give me ideal . thanks