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Yanmar ZT370 - User Manual

Yanmar ZT370
60 pages
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English
STERN-DRIVE
OPERATION MANUAL
ZT370

Table of Contents

Questions and Answers

  • E
    Edgar BrownJul 26, 2025
    What to do if Yanmar ZT370 power trim motor runs but stern-drive doesn't move?
    • R
      Rhonda LunaJul 26, 2025
      If the electric motor for the power trim on your Yanmar Outboard Motor operates, but the stern-drive doesn't move, it could be due to: * Low trim pump oil level: Fill the pump with oil. * Stern-drive binding: Check for any obstruction in the gimbal ring and consult your authorized Yanmar Marine dealer or distributor.
  • L
    Laurie MitchellAug 6, 2025
    Why is the steering wheel hard to turn on my Yanmar ZT370 Outboard Motor?
    • C
      cbanksAug 6, 2025
      A hard or jerky steering wheel on your Yanmar Outboard Motor can be caused by several issues: * Low power steering pump fluid level: Check for leaks and refill the system. * A loose or poor condition stern-drive belt: Replace and/or adjust the belt. * Insufficient lubrication: Lubricate the steering components, transom gimbal housing assembly, and swivel shaft. * Loose or missing parts: Check all parts and fasteners. If any are loose or missing, consult your authorized Yanmar Marine dealer or distributor immediately.
  • R
    Rachel HarrisonAug 14, 2025
    What to do if the Yanmar ZT370 remote control is hard to operate?
    • A
      agomezAug 14, 2025
      If your Yanmar Outboard Motor's remote control is hard to operate, binds, has excessive free play, or makes unusual sounds, the following could be the cause: * Insufficient lubrication: Lubricate the shift and throttle linkage fasteners. * Obstruction: Remove any obstruction in the shift or throttle linkages. * Loose or missing linkages: Check all throttle linkages, and if any are loose or missing, consult your authorized Yanmar Marine dealer or distributor immediately. * Kinked cable: Straighten the shift or throttle cable, or have it replaced if it's damaged beyond repair.

Summary

Safety

Safety Precautions

General safety precautions and guidelines for safe operation and maintenance.

Stern-Drive Operation

Daily Checks

Procedures for performing daily checks to ensure the stern-drive is in good operating condition.

Stern-Drive Oil Level Check

Instructions for checking and maintaining the correct stern-drive oil level.

Power Trim Pump Fluid Check

Procedure for checking and maintaining the power trim pump fluid level.

Maintenance

Periodic Maintenance

Guidelines and importance of establishing a periodic maintenance plan.

Periodic Maintenance Table

A table outlining maintenance tasks based on hours of operation or time intervals.

General Inspection

Guidelines for inspecting the stern-drive for optimal performance and potential issues.

Power Trim Pump Fluid

Notes on when the power trim fluid needs to be changed, requiring dealer consultation.

Periodic Maintenance Procedures

Specific procedures for weekly maintenance tasks like checking water inlets, anodes, and oil.

After Initial 50 Hours of Operation

Maintenance tasks to perform after the first 50 hours of operation, including lubrication.

Every 50 Hours of Operation

List of maintenance tasks to be performed every 50 hours of operation.

Every 100 Hours of Operation

List of maintenance tasks to be performed every 100 hours of operation.

Every 150 Hours of Operation

List of maintenance tasks to be performed every 150 hours of operation.

Every 250 Hours of Operation

List of maintenance tasks to be performed every 250 hours of operation.

Drain the Oil

Procedure for draining the stern-drive gear oil.

Remove the Oil Reservoir from the Bracket

Step to remove the oil reservoir from its mounting bracket.

Fill the Oil Reservoir to the Operating Range

Procedure for filling the oil reservoir to the specified operating range.

Check the Oil Level in the Oil Reservoir After First Use

Procedure for checking the stern-drive oil level within one week of first use.

Lubricating the Drive Unit and Universal-Joint Shaft Splines and O-rings

Procedure for lubricating drive unit splines and O-rings when removing the unit.

Every 1000 Hours of Operation

List of maintenance tasks to be performed every 1000 hours of operation.

Every Year

List of annual maintenance tasks for the stern-drive.

Troubleshooting

Long-Term Storage

Yanmar ZT370 Specifications

General IconGeneral
BrandYanmar
ModelZT370
CategoryOutboard Motor
LanguageEnglish

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