Mercury 200 SportJet User Manual

MAINTENANCE
57
6. Before installing spark plugs, clean off any dirt on the spark
plug seats. Install plugs finger‑tight, and then tighten 1/4 turn
or tighten to the specified torque.
Description Nm lb‑in. lb‑ft
Spark plug 27 20
7. Inspect the expansion chamber gasket on the adapter plate.
Do not remove the gasket from the adapter plate. Replace if
damaged.
8. Install the expansion chamber. Tighten the mounting nuts to
the specified torque. Install the hoses to the expansion
chamber and secure with clamps.
9. Inspect the exhaust system for leaks.
Description Nm lb‑in. lb‑ft
Expansion chamber mounting nuts 27 20
Flywheel Cover Removal and Installation
REMOVAL
1. Detach the retaining strap.
2. Remove the cover by lifting off from the back of the engine.
a - Flywheel cover
b - Retaining strap
b
a
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Mercury 200 SportJet Specifications

General

Model	200
Horsepower	200
Kilowatts	149.1
Full throttle RPM range	5150–5650
Idle speed RPM range	900–1000
Number of cylinders	6
Piston displacement	2508 cc (153 in³)
Cylinder bore	88.4 mm (3.500 in.)
Stroke	67.3 mm (2.650 in.)
Spark plug	NGK IZFR6J‑11
Spark plug gap	1.1 mm (.043 in.)
Recommended gasoline	Refer to Fuel and Oil
Recommended oil	Refer to Fuel and Oil
Emission control system	Electronic engine control (EC)
Battery rating (minimum)	1000 marine cranking amps (MCA) or 800 cold cranking amps (CCA)
Charging system output	60 A