750R (Euro)

Parts Illustrations

PARTS ILLUSTRATIONS 

Transmission -- Inspection and Repair

L. Transmission

1. Inspect each shift fork for signs of galling on gear contact surfaces. Check for bending. Make sure each fork slides freely on its guide bar.

2.    Roll the guide bar across a surface place. If the bar is bent, replace.

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Middle Gear Adjustment

 

C. Middle Gear Servicing

1.    Disassembly

Refer to page 39 for disassembly.

2.    Inspection

Refer to page 52 for inspection.

3.    Gear lash check

NOTE:

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Electric Starting System

 

 

Starting circuit operation

 

The starting circuit on this model consists of the starter motor, starter relay, and the starting-circuit cut-off relay. If the engine stop switch and the main switch are both on, the starter motor can operate only if:

 

Ignition System

E. IGNITION SYSTEM

Above circuit diagram shows only ignition circuit in wiring diagram.

Description

Lower Crankcase Disassembly

L. Lower Crankcase

1.    Remove the dowel pin and "O-ring".

2.    Remove the shift fork guide bar and shift forks. The shift forks are identified by numbers cast on their sides.

3.    Remove the bolt securing the shift cam locating pin and remove the stopper plate and locating pin.

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Lubrication Diagrams

LUBRICATION DIAGRAMS

 

Electrical Maintenance

ELECTRICAL

A. Battery

1. The fluid level should be between the upper and lower level marks. Use only distilled water if refilling is necessary.

CAUTION:

Normal tap water contains minerals which are harmful to a battery; therefore, refill only with distilled water.

Specifications

SPECIFICATIONS

General Specifications

 

XJ750RH

Basic color

New Yamaha Black or Brilliant Red

Dimensions:

Cylinder Head and Valves -- Inspection & Repair

INSPECTION AND REPAIR

A.   Cylinder Head Cover

Place head cover on a surface plate. There should be no warpage. Correct by re-surfacing as follows:

Place #400 or #600 grit wet sandpaper on surface plate and re-surface head cover using a figure-eight sanding pattern. Rotate head cover several times to avoid removing too much material from one side.

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