Mercury 1984 6 cylinder L6 what type & size of starting battery is required
550 cca
1 gauge cable should do the job
The 75 hp Mercury outboard will need a starting battery in the 650 CCA range, although, up to 1000 CCA would work just fine.
Any place that sells batteries can tell you the correct size to buy.
100 aph
For a 150 hp Mercury outboard, a 12V battery with a minimum capacity of 800 CCA (cold cranking amps) is typically recommended. A group size 27 or 31 battery is often suitable, as they provide adequate power for starting and running the motor. It's also advisable to consider a deep-cycle or dual-purpose battery to support additional electrical systems on board. Always check the manufacturer's specifications for the most accurate recommendations.
The 2002 model, 60 hp Mercury outboard requires an NGK BP8H-N-10 spark plug, the gap set to .040in.
For a 2005, Mercury 3.3 hp outboard, a NGK BPR6HS.
For a 2 stroke model, a 500 to 650 cca, 12 volt starting battery will be sufficient. The recommended battery for a four stroke model is 1000 cca,
For a 2003 115hp 4-stroke Mercury outboard, a marine starting battery with a minimum of 650 CCA (Cold Cranking Amps) is typically recommended. A group size of 24 or 27 is often suitable, but it's important to check the owner's manual for specific recommendations based on your outboard's requirements. Additionally, ensure the battery is designed for marine use to withstand the harsh conditions.
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