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TOHATSU M9.8B - User Manual

TOHATSU M9.8B
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MANUAL
OWNER’S
OB No.003-11029-D
M
6B
8B
9.8B

Questions and Answers

  • M
    Melanie LewisAug 9, 2025
    How to fix a clogged fuel filter on a TOHATSU M9.8B Outboard Motor that won't start?
    • N
      Nicholas GonzalesAug 9, 2025
      If your TOHATSU Outboard Motor isn't starting and you suspect a clogged fuel filter, fuel pump, or carburetor, clean or replace these components. A clogged fuel system can prevent the engine from receiving the necessary fuel to run.
  • D
    Dr. Shelby SmithAug 18, 2025
    What to do if my TOHATSU Outboard Motor won't start because of bad gasoline?
    • C
      Chelsea BernardAug 18, 2025
      If your TOHATSU Outboard Motor isn't starting, ensure that you are using the recommended type of gasoline. The use of improper gasoline can prevent the engine from starting. Also, check and adjust oil mixture.
  • A
    Angela VasquezAug 27, 2025
    Why won't my TOHATSU Outboard Motor start after running out of gas?
    • K
      Kathryn LopezAug 27, 2025
      If your TOHATSU Outboard Motor won't start after running out of gas, make sure that the fuel tank isn't empty; if it is, fill it up. Check and correct fuel system connections. Inspect and repair the fuel line, replace any deformed or damaged fuel pipes. Open the air vent on the fuel tank.

Summary

General Safety Information

Emergency Stop Switch

Details on the emergency stop switch and its proper function.

Safe Operation of Boat

Guidelines for ensuring safe boat operation and awareness of surroundings.

Specifications

Installation

Mounting the Outboard Motor on Boat

Instructions for securely attaching the outboard motor to the boat's transom.

Pre-Operating Preparations

Engine Operation

Starting

Step-by-step instructions for safely starting the outboard motor.

Forward and Reverse

Guidance on safely engaging forward and reverse gears.

Stopping

Steps for safely shutting down the outboard motor.

Removing and Carrying the Outboard Motor

Trailering

Adjustment

Inspection and Maintenance

Daily Inspection

Essential pre- and post-use checks to ensure motor readiness and safety.

Periodic Inspection

Scheduled maintenance tasks and intervals for regular upkeep.

Motor Submerged in Water

Emergency measures to take if the outboard motor has been submerged.

Troubleshooting

TOHATSU M9.8B Specifications

General IconGeneral
Engine Type2-stroke
Power Output9.8 HP
Starting SystemManual
Gear Ratio2.08:1
Full Throttle Operating Range5000-6000 RPM
Number of Cylinders2
Ignition SystemCDI
Fuel SystemCarburetor
SteeringTiller
Weight26 kg
Fuel Tank Capacity12 L
Full Throttle RPM Range5000 - 6000 rpm
Dry Weight26 kg
Shaft Length15 in
Displacement169 cc (10.3 cu. in.)

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