Mercury 250 Specifications download pdf (Page 136)

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MAINTENANCE

126 eng

Heavy‑duty propeller hub ‑ Install the propeller hub,

propeller, washer, Belleville washer, washer, and propeller

nut onto the shaft.

a - Propeller nut

b - Washer

c - Belleville washer

d - Washer

e - Propeller

f - Propeller hub

6. Place a block of wood between the gearcase and propeller

and tighten the propeller nut to the specified torque.

2691

Description

Nm lb‑in. lb‑ft

Propeller nut 75 55

Spark Plug Inspection and Replacement

Remove top and rear cowlings. Refer to Cowl Removal and

Installation.

44856

1 2 ... 131 132 133 134 135 136 137 138 139 140 141 ... 159 160

WARNING 1
Warranty Message 2
Mercury Premier Service 2
iv eng 4
Conformity 4
vi eng 6
WARRANTY INFORMATION 11
GENERAL INFORMATION 31
INSTALLATION 48
TRANSPORTING 51
FUEL AND OIL 53
SYNCHRONIZING ENGINES 90
THROTTLE 96
ONLY 96
FEATURES AND CONTROLS 100
OPERATION 108
MAINTENANCE 115
Storage Preparation 151
Gearcase 152
Battery Storage 153
TROUBLESHOOTING 154
OWNER SERVICE ASSISTANCE 157
MAINTENANCE LOG 160

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Mercury 250 Specifications Page 136

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