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padgett114
Joined: 23 Jun 2005
Posts: 82
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 Posted: Tue Sep 21, 2010 10:21 am Post subject: Tach reading wrong |
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| Hey what would make a tach read right one day and them read way to high the next time out. The tach seems to be ok at Idle but when I hit it red lines the tach but the boat is running normal. When normal reading 4500 it showing more like 6000 to 6000. Is the tach just shot for could something else need replacing. Motor sound normal not screaming. This in a 21 foot alumaweld with a 351w. |
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HOOLIGAN
Joined: 04 Mar 2008
Posts: 210
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| Posted: Tue Sep 21, 2010 10:25 am Post subject: Re: Tach reading wrong |
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| padgett114 wrote: | | Hey what would make a tach read right one day and them read way to high the next time out. The tach seems to be ok at Idle but when I hit it red lines the tach but the boat is running normal. When normal reading 4500 it showing more like 6000 to 6000. Is the tach just shot for could something else need replacing. Motor sound normal not screaming. This in a 21 foot alumaweld with a 351w. |
Beer .... causes one to lean and leaning to far to the right will do that..
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Live... Love... laugh...and lie if you get caught! |
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padgett114
Joined: 23 Jun 2005
Posts: 82
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| Posted: Tue Sep 21, 2010 10:27 am Post subject: |
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| That's only when I drink Canadian beer. |
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padgett114
Joined: 23 Jun 2005
Posts: 82
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| Posted: Wed Sep 22, 2010 7:48 am Post subject: |
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| What no help guys? |
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boosted
Joined: 04 Jun 2009
Posts: 378
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| Posted: Wed Sep 22, 2010 7:50 am Post subject: |
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The problem more than likely is in the tach. Depending on the unit it may have switches in the tach to select 4,6,8 cyl. You could have corrosion on them or abad connection. Some tachs are not servicable but you wll have to look at yours.
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Mark
Lets go back I think we missed one rock! |
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No Bad Days
Joined: 18 Jul 2005
Posts: 73
Location: Whitecourt
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| Posted: Wed Sep 22, 2010 8:38 am Post subject: |
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My tach jumps all over the place on my E6. 4500-3800-4100-3200.
I just tap my knuckle on the glass front a few times and it straightens out.
Its been doing this since a year after I bought the boat in '03. I checked all the conections, everythings tight. My fuel guage only starts working when the actual fuel tank level is below 1/2. ?????? DB. |
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padgett114
Joined: 23 Jun 2005
Posts: 82
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| Posted: Wed Sep 22, 2010 9:56 am Post subject: |
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yeah
Last edited by padgett114 on Wed Sep 22, 2010 10:32 am; edited 1 time in total |
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padgett114
Joined: 23 Jun 2005
Posts: 82
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| Posted: Wed Sep 22, 2010 10:30 am Post subject: |
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| yeah I've tried the tapping on the class and no luck. I will take all the connections off and check them but I think its probably the tach, it's only 15years old. |
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HOOLIGAN
Joined: 04 Mar 2008
Posts: 210
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| Posted: Wed Sep 22, 2010 1:36 pm Post subject: |
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| padgett114 wrote: | | yeah I've tried the tapping on the class and no luck. I will take all the connections off and check them but I think its probably the tach, it's only 15years old. |
The only thing that is 15 years old and gets better by itself is whiskey. Evrything else needs replacing 
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Live... Love... laugh...and lie if you get caught! |
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padgett114
Joined: 23 Jun 2005
Posts: 82
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| Posted: Wed Sep 22, 2010 2:09 pm Post subject: |
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| hooligan, I'm starting to think you have some issues with drinking. |
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mof
Joined: 23 Jan 2006
Posts: 40
Location: Sydney, Australia
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| Posted: Thu Sep 23, 2010 4:52 pm Post subject: |
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| padgett114 wrote: | | What no help guys? |
No-one reads the post, just watch the avatar...  |
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