Model Specifications; Ignition Specifications - Mercury FourStroke 2.5 Service Manual

Master Specifications

Model Specifications

Power
Weight (2.5 models)
M
ML
Weight (3.5 models)
M
ML
Recommended RPM range at WOT (3.5 models)
Recommended RPM range at WOT (2.5 models)
Idle speed (2.5/3.5 models)
In neutral
In forward gear
Fuel
Oil type
All temperatures
Alternate oil viscosity above 4 °C (40 °F)
Oil capacity

Ignition Specifications

Ignition type
Spark plug type
Spark plug gap
Ignition timing at idle
Ignition timing at WOT
ECM RPM limiter
RPM overspeed
Ignition coil
Primary
Secondary
Ignition coil to flywheel gap
Page 1A-2
Model Specifications
Automotive unleaded ‑ minimum 87 octane, up to 10% ethanol
Ignition Specifications at 20 °C (68 °F)
1.9 kW (2.5 hp)
2.6 kW (3.5 hp)
17 kg (38 lb)
18 kg (40 lb)
17 kg (38 lb)
18 kg (40 lb)
5000–6000 RPM
4500–5500 RPM
1400 ± 100
1300 ± 100
10W‑30
25W‑40
300 ml (10.0 fl oz)
Digital capacitor discharge ignition
NGK DPR6E
0.8–0.9 mm (0.031–0.035 in.)
3° ± 3° BTDC
25° ± 3 BTDC
6300 ± 200 RPM
Sealed internal
2.2 k ohms ± 15%
0.3 mm (0.012 in.)
90-8M0065421 NOVEMBER 2012