Product Manual

Charging and Starting Specifications
Parameter Specification
Alternator type Single phase
Alternator charge coil resistance 0.17–0.25 Ω
Alternator output at 900 RPM 4.6 A
Alternator output at 5000 RPM 11.5 A
Starter
Type Bendix®
Output 0.6 kW at 12 V
Brush length 14.0 mm (0.551 in.)
Brush length (service limit) 11.0 mm (0.433 in.)
Commutator undercut 0.95–1.05 mm (0.037–0.041 in.)
Commutator diameter 28.3 mm (1.114 in.)
Commutator diameter (service limit) 27.8 mm (1.095 in.)
Fuse capacity
Voltage regulator output 20 A
Starting control circuit 15 A
Fuse type Mini ATC
Battery requirements (minimum)
Above 0 °C (32 °F) 465 MCA, 350 CCA
At or below 0 °C (32 °F) 800 MCA, 650 CCA
Voltage control Shunt/ground voltage regulator
Fuel System Specifications
Parameter Specification
Fuel system Computer‑controlled split‑sequential multiport electronic fuel injection
Fuel type
Automotive unleaded with a minimum pump posted octane rating of 87 (R+M)/2 (90 RON);
up to 10% ethanol
Fuel pump type
Mechanical plunger (diaphragm) +
Electric high pressure
Fuel pump pressure (mechanical) 30 kPa ± 20 kPa (4.3 psi ± 2.9 psi)
Fuel pump pressure (electric) 256 kPa ± 25 kPa (37.1 psi ± 3.6 kPa)
Cylinder Block/Crankcase Specifications
Parameter Specification
Number of cylinders 2
Displacement 333 cc (20.3 cid)
Standard bore 61.00 mm (2.4016 in.)
Standard bore (service limit) 61.06 mm (2.4039 in.)
Cylinder bore maximum taper (service limit) 0.08 mm (0.0032 in.)
Cylinder bore maximum out of round (service limit) 0.06 mm (0.0023 in.)
Crankshaft main bearing journal 33.992 mm (1.3382 in.)
Crankshaft main bearing journal (service limit) 33.972 mm (1.3374 in.)
Crankshaft pin journal 28.972–28.985 mm (1.1406–1.1411 in.)
Crankshaft pin journal (service limit) 28.970 mm (1.1405 in.)
Crankshaft end play 0.1–0.2 mm (0.004–0.008 in.)
Crankshaft runout 0.030 mm (0.00118 in.)
Crankshaft runout (service limit) 0.03 mm (0.001 in.)
Crankshaft main bearing oil clearance 0.012–0.044 mm (0.0005–0.0017 in.)
Crankshaft main bearing oil clearance (service limit) 0.06 mm (0.002 in.)
Crankshaft pin bearing oil clearance 0.015–0.041 mm (0.0006–0.0016 in.)
Crankshaft pin bearing/connecting rod oil clearance (service limit) 0.060 mm (0.002 in.)
Specifications
90-8M0125265 eng NOVEMBER 2017 © 2018 Mercury Marine Page 1A-3