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Cranking Amps...
Hey guys, I'm in the process of buying a couple new batteries. Do any of you happen to know how many cranking amps are necessary for my 96 200HP Johnson Oceanrunner? Would 625MCA and 500CCA do the job well?
Thanks in advance, Steve
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 1990 Hydrasports 2000cc Vector with 96 200HP Oceanrunner. Saved by grace alone, through faith alone, in Christ alone http://www.providencerpchurch.com/ 
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#2
05-11-2011, 02:12 PM
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Im sure it would but I do 1K on my starting always. Never been too much but Ive had too little before in the 600's.
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Really, who ISNT better looking than Charlie?
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#3
05-11-2011, 03:11 PM
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I use 750's in my boat but the marina that I had my service done says I had low voltage codes on my motor because of it, he said 1000 is what they should be.
I have always used 750 with no problems till these codes, and I am not changing the brand new battery's now so will get 1000 next time.
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1986 V20  Old Fishermen never die, we just SMELL that way!!
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#4
05-11-2011, 03:12 PM
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The biggest you can fit in there, those cranking amps are based on ideal conditions, full charge etc. The V6's use a lot on start up and especially when cold. So the most you can get in the group size battery you can fit in there is my advise.
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Willy 1986 V20 Old School 1992 V20 1992 150 Yamaha 1997 HydraSport 2250 Vector 2009 17' G3 Outfitter "G Spot" http://www.youtube.com/watch?v=TDebw...eature=related "I won't be wronged, I won't be insulted and I won't be laid on a hand on. I don't do these things to others and I require the same from them" JW
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#5
05-11-2011, 04:56 PM
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use a Deka 24M7(West marine sells then also) and you won't have any problems
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#6
05-13-2011, 07:43 AM
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Thanks guys. I'm going to take Spare's advice and get the Deka 24M7 over at West Marine (a little pricey at $120 each, but not outrageous like those Optimas and Odysseys). I've read a number of good things about those batteries. So, I'll buy the 24M7 starting battery and a Dual Purpose Battery also made by Deka to run all my electronics...
Another question I have is this... While underway, I take it that the battery selector switch should be set to "All/Both". Once anchored should the selector be changed to the number 2 battery or is it supposed to stay on both?
__________________
1990 Hydrasports 2000cc Vector with 96 200HP Oceanrunner. Saved by grace alone, through faith alone, in Christ alone http://www.providencerpchurch.com/
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#7
05-13-2011, 08:57 AM
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i set it so the starting battery is off when anchored, this way i can kill the other and have the starting amp when i need to start
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1986 V20 Old Fishermen never die, we just SMELL that way!!
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#8
05-13-2011, 03:38 PM
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Quote:
__________________
1987 V20 w/1987 150HP Yamaha on a Shoreland'r Trailer 1978 16.5 Airslot w/1996 120HP Force on a Four Winns trailer 1996 V21 w/1993 200HP Mercury on a Shoreline Trailer All towed by a 5.7L Hemi Durango. If God didn't have a purpose for us we wouldn't be here, so Live simply, Love generously, Care deeply, Speak kindly. (Leave the rest to God) Silence, in the face of evil, is itself evil. Not to speak is to speak, not to act is to act. God will not hold us guiltless.
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#9
05-13-2011, 07:01 PM
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check into a battery combiner, west has them. Tehy allow both batteries to be charged on one circut, under high map draw or low voltage, the combiner breaks the circut. When you need the extra voltage, just turn the battery switch to all(run with the engine battery only), the house battery will be fully charged
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#10
05-13-2011, 07:27 PM
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Quote:
X2... 
__________________
'74 V-20/ BF 150 '95 V-21/ BF 150 '84 V-20/ 200 2.4 Merc '87 V-20/'18 F150 Yamaha 
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Hybrid Mode
