Mercury XR2 User Manual

35
OPERATION
2
4
1
3
Starting The Engine
Before starting, read the Pre-Starting Check List, Special Operating
Instructions, and Engine Break-in Procedure on the first three pages
in the Operation Section.
CAUTION
!
Prevent damage to the water pump (running dry) or overheat-
ing of the engine. Never start or run your outboard (even mo-
mentarily) without water circulating through all the cooling
water intake holes in the gear case.
1 Lower the outboard to the run position. Make sure all the cooling
water intake holes are submerged.
2 Open fuel tank vent screw (in filler cap) on manual venting type
fuel tanks.
3 Squeeze the fuel line primer bulb several times until it feels firm.
4 Set the lanyard stop switch to RUN position. Read the Lanyard
Stop Switch safety explanation and Warning in the General In-
formation Section.

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)