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Mark Hayes

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" I have a 1974 85hp Johnson;

" I have a 1974 85hp Johnson; It starts kind-of hard and after warm-up it accels slowly to top speed, making it hard to get the hole-shot. Can anyone help me with the plug gap, timing and everything needed for a complete tune-up? Thanks for anything you got. "
 
" Mark,
The engine model numb


" Mark,
The engine model number is needed to correctly give the information you need. "
 
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