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Old June 9th, 2004, 07:12 PM
Raider316 Raider316 is offline
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Default Timing on Mercury 90 hp

early 80sI replaced the crankshaft and pput motor back together however I need to set timing but dont know how. Not even sure crank and flywheel are even in the same position as before. Any help would be appreciated.
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Old June 13th, 2004, 02:42 AM
Clams Canino Clams Canino is offline
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Default Re: Timing on Mercury 90 hp

Max advance is 21 degrees. Use the #1 cylinder and a pencil to make sure the flywheel is properly indexed.If this does not make sence - get professional help.-W
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Old April 20th, 2009, 11:08 PM
KcKiller KcKiller is offline
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Default Re: Timing on Mercury 90 hp

By removing the flywheel there should be a key slot.. If you did not remove the key the timing should be the same.. However if you want the timing #s give the year..
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