Mercury Mariner 25HP 4-Stroke Outboard Service Manual 1997, Page 7Get this manual

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Specifications Models 25 (4-Stroke)
Firing Order Ignition Timing:
Fully Retarded (Below 800 RPM) Fully Advanced (6000 RPM) IGNITION SVSTEM
Readings taken 68"F (20 C)
Capacitor

• • TGB
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• • Kawasaki
• • Chrysler
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  • Mercury
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  • Tohatsu
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• • Honda
  • Polaris
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• • Arctic Cat
  • Polaris
  • Ski Doo
  • Yamaha
• • Chrysler
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  • Volvo