Mercury XR2 User Manual

58
TROUBLESHOOTING
1 – STARTER MOTOR WILL NOT CRANK THE ENGINE
POSSIBLE CAUSES
• Outboard gearshift not in neutral position.
• Weak battery or battery connections are loose or corroded.
• Ignition key switch failure.
• Wiring or electrical connection faulty.
• Starter motor or starter solenoid failure.
2 – ENGINE WILL NOT START
POSSIBLE CAUSES
• Lanyard stop switch not in RUN position.
• Incorrect starting procedure. Refer to Operating Section.
• Old or contaminated gasoline.
• Engine flooded. Refer to Operating Section.
• Fuel is not reaching the engine.
a. Fuel tank is empty or tank shut-off valve closed.
b. Fuel tank vent not open or is restricted.
c. Fuel line disconnected or kinked.
d. Fuel filter obstructed. Refer to Maintenance Section.
e. Fuel pump failure.
f. Fuel tank filter obstructed.
• Ignition system component failure.
• Spark plugs fouled or defective. Refer to Maintenance Section.
3 – ENGINE OVERHEATING (CONTINUOUS HORN
SOUND)
POSSIBLE CAUSES
• Water pickup clogged or blocked.
• Cooling system clogged
• Engine overloaded (cannot attain recommended RPM)
• Incorrect ignition timing.
• Not enough oil in fuel mixture
• Lean fuel mixture

Mercury XR2 Specifications

General

MODEL	XR2
Horsepower	180 (134kw)
Propshaft Kilowatts1	194
Full Throttle RPM Range	6000-7000
Idle RPM in Forward Gear	650-750
Maximum Timing	25° BTDC
Idle Speed Pickup Timing	2° ATDC
Gear Ratio	1.87:1
Piston Displacement	122 cu. in. (2.0L/1998cc)
Bore	3.125 in. (79.5 mm)
Stroke	2.65 in. (67 mm)
Firing Order	1-2-3-4-5-6
Recommended Spark Plug	NGK-BUHW (P/N 33-97180)
Fuel Pressure	5 - 6 psi
Recommended Gasoline	Refer to Fuel Section
Recommended Oil	Refer to Fuel Section
Recommended Gear Case Oil	Quicksilver Hi-Performance Gear Lube (92-816026A4)
Gear Case Lubricant Ca- pacity	22.5 fl. oz. (666 ml)
Charging System Output	16 amps @ 7000 RPM
Battery Rating	Minimum reserve capacity rating of 100 minutes and CCA of 350
Water Pres. @ WOT	15 PSI (103.4 kPa)

Weight and Dimensions

Weight	350 lbs. (159 kg)
Transom Height	Short Shaft = 15” (381mm) Long Shaft = 20” (508mm)