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i have a 1974 "as i was told " looper 3, 2stroke engine my only issue with the motor is it seems to have a sluggish throttle between 1200/2600 rpms after that it runs at 5800 wot!! i have run a compression test #1 (123psi) #2 (120psi) #3 (122 psi) i run omc suggested spark plugs champions. and a...