500 motors in database
Mercury Technical Database

Mercury 9.8hp (Blue Stripe)

9.8 HP 1978 2-Stroke Discontinued

General Specifications

HP / kW 9.8 HP / 7.3 kW
Displacement 180 cc (11.0 cu in.)
Cylinders 2 (Inline)
WOT RPM Range Check Manual
Bore x Stroke 50.8 x 44.4 mm
Weight (Lightest) 30 kg / 66 lbs

Drive & Lower Unit

Gear Ratio 2.00:1
Shaft Options 15", 20"
Propeller Style 8-10"

Maintenance Quick-Specs

Engine Oil 50:1 Pre-mix
Oil Capacity See Manual
Gear Lube See Manual
Spark Plug Check Search
Fuel/Power Regular Unleaded 87 Oct

Identification

The serial number for the Mercury 9.8hp (Blue Stripe) is typically found on a plate located on the transom bracket.

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