Yanmar 4JH3-TE Operation Manual page 20

Marine diesel engine
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16
2. PRODUCT EXPLANATION
Operation of the handle is as follows:
• Starting and stopping
Put the handle in NEUTRAL.
This puts the clutch in the cut-off position (stop) and idles the engine at a low speed.
• Forward
Move the handle from NEUTRAL to ∆FWD(forward).
This engages the clutch in forward and simultaneously increases the engine speed.
Pushing the handle further in the same direction increases engine speed to full speed.
• Reverse
Move the handle from NEUTRAL to ∇REV(reverse).
This engages the clutch in reverse and simultaneously increases the engine speed.
Pushing the handle further in the same direction increases engine speed to full speed.
• Free throttle operation
When the boat is stopped (clutch is in neutral position), the idling speed of the engine can be increased in
the following manner.
1. Leave the handle lever in NEUTRAL.
2. Disengage the clutch.
MT-3:Pull out the handle lever all the way.
MV: Pull out the free throttle button next to the
handle lever.
3. With the lever or button pulled out, move the handle
lever in either the forward or reverse direction to
increase idling speed.
• Returning to normal operation from free throttle opera-
tion.
MT-3:Return the handle lever to NEUTRAL. The
lever will return auto matically to the normal
position.
MV: Return the handle lever to NEUTRAL and
push the free throttle button in.
MT-3
NEUTRAL
Pull out handle lever
MV
NEUTRAL
Pull out free throttle button.
Free throuttle button

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