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DannoXYZ · November 14th, 2017, 10:01 PM

Could be stuck rings in lands. Do piston-soak for 6-hrs using 3-5cc of 50/50 ATF/acetone mixture. Crank engine to blow out residual mixture before re-installing plugs. I’ve gotten engines with 20% compression back up to 98-99% full-compression this way.

November 14th, 2017, 10:01 PM	#8
DannoXYZ ninjette.org certified postwhore Name: AKA JacRyann Location: Mesa, AZ Join Date: Dec 2011 Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C Posts: A lot. MOTY - 2018, MOTM - Nov '17	Could be stuck rings in lands. Do piston-soak for 6-hrs using 3-5cc of 50/50 ATF/acetone mixture. Crank engine to blow out residual mixture before re-installing plugs. I’ve gotten engines with 20% compression back up to 98-99% full-compression this way.