Page 22 - REPOWER REFERENCE GUIDE (2020)

Important Information
Engine Specifications—Sterndrive 496 MAG Bravo

496 MAG
Horsepower 1 375
Kilowatts 1 280
Number of cylinders 8
Displacement 496 cid (8.1L)
Hot 65 A
Alternator amperage
Cold 72 A
WOT 4400–4800
RPM 650 (idle speed and timing on EFI
Idle in neutral models are not adjustable)

At 2000 RPM 207 kPa (30 psi)
Minimum oil pressure at idle
At idle 103 kPa (15 psi)
Minimum battery requirement 750 CCA/950 MCA/180 Ah
Firing order 1‑8‑7‑2‑6‑5‑4‑3
AC Platinum (AC 41‑983) or
Spark plug type
NGK 1TR4A15
Spark plug gap 1.5 mm (0.060 in.)
Timing at idle Not adjustable
Thermostat 71 °C (160 °F)
1 Performance obtained and corrected in accordance with SAE J1228/ISO 8665 Crankshaft Power.
Engine Specifications—Sterndrive 496 MAG HO Bravo

496 MAG HO
Horsepower 1 425
Kilowatts 1 317
Number of cylinders 8
Displacement 496 cid (8.1L)
Hot 65 A
Alternator amperage
Cold 72 A
WOT 4600–5000
RPM 650 (idle speed and timing on EFI
Idle in neutral
models are not adjustable)
At 2000 RPM 207 kPa (30 psi)
Minimum oil pressure at idle
At idle 103 kPa (15 psi)
Minimum battery requirement 750 CCA/950 MCA/180 Ah
Firing order 1‑8‑7‑2‑6‑5‑4‑3

Spark plug type AC Platinum (AC 41‑983) or
NGK 1TR4A15
Spark plug gap 1.5 mm (0.060 in.)
Timing at idle Not adjustable
Thermostat 71 °C (160 °F)
1 Performance obtained and corrected in accordance with SAE J1228/ISO 8665 Crankshaft Power.

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