Yamaha 25 NMHOS [22/245] Gen info

Yamaha 25 NMHOS [22/245] Gen info
GEN
INFO
1-17
69R3J11
General information
Checking the cooling water pilot
hole
1. Start the engine, and then check for a
water flow from the cooling water pilot
hole.
Test run
1. Start the engine, and then check that the
gear shift operates smoothly.
2. Check that the engine idle speed after
the engine has been warmed up.
3. Operate at trolling speed.
4. Run the outboard motor for 1 hour at
3,000 r/min or at half throttle, then for
another hour at 4,000 r/min or at 3/4
throttle.
5. Check that the outboard motor does not
tilt up when shifting into reverse and that
water does not flow in over the transom.
NOTE:
The test run is part of the break-in operation.
Break-in
During the test run, perform the break-in
operation in the following 5 stages.
1. 10 minutes a at the lowest possible
speed. A fast idle in neutral is best.
2. 50 minutes b at 1/2 throttle (approxi-
mately 3,000 r/min) or less. Vary engine
speed occasionally. On an easy-planing
boat, accelerate at full throttle onto plane,
then immediately reduce the throttle to
3,000 r/min or less.
5. Check that the engine turns off when the
engine stop lanyard switch is pushed or
the engine stop lanyard is pulled from the
engine stop lanyard switch. (WH, WC,
MH)
6. Check that the engine turns off when the
engine stop lanyard is pulled from the
engine stop lanyard switch. (W:703 type
remote control box)
6S610080
69R10070
E/G
6D410170
69R11220
69R3J11_01 06.7.6 14:31 Page 20

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