Zongshen compression, low power - ChinaRiders Forums

04-16-2009, 04:53 AM	#1
max_damage Join Date: Dec 2007 Posts: 47	Zongshen compression, low power Hi Past 5 days, my Zongshen sierra started to loose its power. The bike has over 25 000km, looks like its time for service. I think it is loosing compression. Does anybody know what is normal compression value for 200cc (1:9,5) engine ? My manual doesnt say anything ??? Ive checked the compression, it is 125 psi ? is it low ? Thanks
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