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How do I set the timing on an "84 evinrude 70 hp outboard engine?

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How do I set the timing on an "84 evinrude 70 hp outboard engine?

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  1. I not sure. You may do best to buy a service manual. I have a Clymer manual and it tells about making a Throttle Shaft tool and setting Throttle Cam clearance and using a timing light.

    There 2 Timing specs

    1 is on a label on your engine. It the "Full Throttle Spark Advance Degrees BTDC

    2 is TDC +/- 1 It Throttle Pickup Degrees BTDC

    Champion Spark Plug L77J4 gap @ .040 (Parts store may have to cross reference the plug as I not sure they have this number anymore.

    So, it be hard to explain how to make your Tool and make these adjustments.

    Sorry this best I know.


  2. http://www.outboardmotor.biz/timing/
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