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 What Tachometer Ranging Switch Setting?
#12752664
05/12/18 02:49 PM
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Joined: Mar 2017
Posts: 73
DaveTV
OP
Outdoorsman
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OP
Outdoorsman
Joined: Mar 2017
Posts: 73 |
Good morning all. Hoping to find a little help and avoid having the dealership take my boat hostage. Does anyone know the correct setting for the ranging switch on the back of the tachometer for a Merc 225 Pro XS? The chart says open 2 and 3 for 6 cyl. Also says open 4 for 12 alternator poles. I know the engine is a 6 cyl but believe it is 12 altenator poles as well. Should I set it by engine or alternator poles? The setting is currently on 2 and the tach is reading too high. It's an 8 position switch. The photo is not mine and an example only. Thanks in advance for any help. 
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Re: What Tachometer Ranging Switch Setting?
[Re: DaveTV]
#12752800
05/12/18 06:23 PM
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Joined: Mar 2010
Posts: 25,793
T Bird
TFF Guru
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TFF Guru
Joined: Mar 2010
Posts: 25,793 |
Okie by birth, Texan by choice. ![[Linked Image]](https://texasfishingforum.com/forums/pics/userpics/2021/01/full-47849-80883-111.jpg) USAF "Thunderbirds" Alumni 1985-1989
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Re: What Tachometer Ranging Switch Setting?
[Re: DaveTV]
#12752815
05/12/18 06:52 PM
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Joined: Mar 2017
Posts: 73
DaveTV
OP
Outdoorsman
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OP
Outdoorsman
Joined: Mar 2017
Posts: 73 |
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