Name: TOHATSU MFS 15
Brand: TOHATSU
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1.Outline Dimensions ..................................................................................... 2

1）Outboard Motor Dimensions .......................................................................................................................... 2

2）Transom Bracket Dimensions ........................................................................................................................ 3

2.Parts Layout ................................................................................................ 4

Bracket (PTT) ................................................................................................................................................. 4

Power Tilt ....................................................................................................................................................... 5

3.Operation of Power Tilt............................................................................... 6

4.Operations of Hydraulic Circuit .................................................................. 6

5.Removing PTT Unit .................................................................................... 11

6.Removing and Repairing Manual Release Valve....................................... 12

7.Power Tilt Motor ........................................................................................ 14

1）Removal, Inspection and Repair of Power Tilt Motor ................................................................................... 14

2）Continuity Test ............................................................................................................................................. 14

3）Inspection of Motor....................................................................................................................................... 15

4）Replacement of Motor .................................................................................................................................. 15

5）Assembling Power Tilt Motor........................................................................................................................ 15

8.Power Tilt Pump......................................................................................... 17

1）Disassembly of Power Tilt Pump.................................................................................................................. 17

2）Assembling Power Tilt Pump ....................................................................................................................... 19

3）Air-Purging PTT Unit (Separated from Outboard Motor).............................................................................. 21

4）Installation of Power Tilt Ass'y...................................................................................................................... 22

5）Inspection of PTT Relay ............................................................................................................................... 24

6）Inspection of PTT Switch.............................................................................................................................. 24

Wiring Diagram

EFT

EPT

Introduction

This manual has been prepared as a supplement for the "Power Trim & Tilt" section described in the

service manual of Tohatsu's 4 stroke gasoline outboard motors' 9.9/15/20C.

Please utilize this manual together with the service manual of our outboard motors 9.9/15/20C.

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