Mercury 250 Specifications download pdf (Page 75)

MAINTENANCE

3. Set the spark plug gap to specifications.

27848

Spark Plug Gap

Spark plug 0.90 mm (0.035 in.)

4. Before installing spark plugs, clean off any dirt on the spark

plug seats. Install plugs finger‑tight, and then tighten to the

specified value.

Description Nm lb. in. lb. ft.

Spark plug 27 20

Lubrication Points

1. Lubricate the following with Quicksilver or Mercury Precision

Special Lubricant 101.

Tube Ref

No.

Description Where Used Part No.

Special Lubricant

101

Trim rod ball ends 92-802865Q02

• Trim Rod Ball Ends ‑ Turn the ball ends to work the

lubricant into the ball sockets.

28458

2. Lubricate the following with Quicksilver or Mercury Precision

Lubricants Anti‑corrosion Grease or 2‑4‑C with Teflon.

1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 119 120

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Mercury 250 Specifications Page 75