Specifications - Mercury GO BOLDLY 25 EFI Operation, Maintenance And Installation Manual

a - Top cowl
b - Manual start handle
c - Shift lever
d - Throttle grip
e - Engine stop switch
f - Throttle friction adjustment knob
g - Lanyard stop switch (lanyard
cord not shown)
h - Transom brackets
i - Tilt lock lever
j - Ignition key switch (electric start
models)

Specifications

Parameter
Power rating
Weight
Engine idle speed in forward gear
WOT range
Number of cylinders
Piston displacement
Cylinder bore
Stroke
Recommended spark plug
Spark plug gap
Battery rating
Recommended fuel
Recommended engine oil
Engine oil capacity
Power tilt fluid
eng
GENERAL INFORMATION
25 MH
25 MLH
25/30 EPT
25/30 ELPT
30 ELH GA
25/30 ELHPT
25 hp models
30 hp models
k - Tiller handle tilt lock lever
l - Steering friction adjustment
lever
m - Primary cooling water intake
n - Gearcase
o - Secondary cooling water intake
p - Anti‑ventilation plate
q - Oil drain screw
r - Water pump indicator hole
s - Lower cowl
t - Cowl latch
Specification
18.6 kW (25 hp)
22.4 kW (30 hp)
59.9 kg (132 lb)
60.3 kg (133 lb)
65.8 kg (145 lb)
66.7 kg (147 lb)
69.4 kg (153 lb)
70.3 kg (155 lb)
875 ± 25 RPM
5400–5800 RPM
5800–6200 RPM
500 cc (30.5 cid)
61.0 mm (2.402 in.)
57.0 mm (2.244 in.)
NGK DCPR6E
0.9 mm (0.035 in.)
465 MCA or 350 CCA
Refer to Fuel and Oil
Refer to Fuel and Oil
1.4 L (1.5 U.S. qt)
Power Trim and Steering Fluid or
Automatic Transmission Fluid (ATF) (Type
Dexron III)
23
3