any help on a jhonson 225 loosing about 1000 rpm , idles a little rough replaced power packs, also when running about 4000 rpm get a 200-300 rpm surges?
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any help on a jhonson 225 loosing about 1000 rpm , idles a little rough replaced power packs, also when running about 4000 rpm get a 200-300 rpm surges?
Please post your model and serial #'s for the guys.
Definately check compression but give us the model number for sure.