Engine Break-In Procedure; Starting The Engine - Tiller Handle Models And Manual Start Remote Control Models - Mercury 10 TwoStroke Operation, Maintenance & Installation Manual

2. Make sure the cooling water intake is submerged.
Engine Break‑in Procedure
IMPORTANT: Failure to follow the engine break‑in procedures can result in
poor performance throughout the life of the engine and can cause engine
damage. Always follow break‑in procedures.
ENGINE BREAK-IN FUEL MIXTURE
Use a 25:1 (4%) gasoline/oil mixture in the first tank of fuel.
BREAK-IN PROCEDURE
Vary the throttle setting during the first hour of operation. During the first hour of
operation, avoid remaining at a constant speed for more than two minutes and
avoid sustained wide open throttle.
Starting the Engine ‑ Tiller Handle Models and Manual Start
Remote Control Models
Before starting, read the Prestarting Check List, special operating
instructions, and Engine Break‑in Procedure in the Operation section.
1. Open fuel tank vent on manual venting type tanks.
2. Squeeze the fuel line primer bulb several times until it feels firm.
OPERATION
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