Reply To: Compression – GT125R Nov 30, 2022 at 10:38 AM #9180 Sam👤 Member🖊 Topic Author Topics: 21Replies: 33 Got bike running over ten mins nice and warm took bother plugs out testesed rear cylinder reading of 144 psi increase of 9 from cold reading however when testing front cylinder psi was 131 the same as the cold test I’d did
