- •LIST OF ABBREVIATIONS
- •New Ignition Interlock Sidestand System
- •Current Ignition Interlock Sidestand System
- •Materials of Semi-Conductor and Emitting Color
- •Units of Mass:
- •Units of Volume:
- •Units of Force:
- •Units of Length:
- •Units of Torque:
- •Units of Pressure:
- •Units of Speed:
- •Units of Power:
- •Periodic Inspection:
- •Periodic Replacement Parts:
- •Basic Torque for General Fasteners
- •Throttle Grip Free Play
- •Idle Speed
- •Engine Vacuum
- •Water and Coolant Mixture Ratio (when shipping)
- •Valve Clearance
- •Clutch Lever Free Play
- •Engine Oil
- •Tread Depth
- •Air Pressure (when cold)
- •Chain Slack
- •Drive Chain 20-link Length
- •Standard Chain
- •Pad Lining Thickness
- •Sample Diagnosis Sheet
- •Poor Running at Low Speed
- •Poor Running or No Power at High Speed:
- •Wiring Connection
- •Idle Speed
- •Wiring Connection
- •Main Throttle Sensor Resistance
- •Inlet Air Pressure Sensor Output Voltage
- •Inlet Air Temperature Sensor Output Voltage
- •Water Temperature Sensor Output Voltage
- •Atmospheric Pressure Sensor Input Voltage
- •Output Voltage at Sensor
- •Wiring Connection
- •Wiring Connection
- •Throttle Sensor Resistance
- •Stick Coil Input Voltage at ECU
- •Input Voltage at ECU
- •Subthrottle Valve Actuator Resistance
- •Subthrottle Valve Actuator Input Voltage
- •Input Voltage at Actuator
- •FI Indicator LED Light Check
- •ECU Grounding Inspection
- •ECU Power Source Inspection
- •Testing Relay
- •Fuel Pressure
- •Fuel Pressure (idling)
- •Amount of Fuel Flow
- •Testing Relay
- •Injector Power Source Voltage at ECU
- •Output Voltage at Injector Connector
- •Injector Wiring Inspection
- •Choke Lever Free Play
- •Radiator Cap Relief Pressure
- •Thermostat Valve Opening Temperature
- •Camshaft Journal, Camshaft Cap Clearance
- •Camshaft Journal Diameter
- •Camshaft Runout
- •Cylinder Compression
- •Cylinder Head Warp
- •Valve/Valve Guide Clearance (Wobble Method)
- •Valve Seating Surface Outside Diameter
- •Valve Seating Surface Width
- •Cylinder Inside Diameter
- •Piston Diameter
- •Piston Ring/Groove Clearance
- •Piston Ring Groove Width
- •Piston Ring Thickness
- •Piston Ring End Gap
- •Clutch Plate Assembly
- •Friction Plate Thickness
- •Friction and Steel Plate Warp
- •Clutch Spring Free Length
- •Oil Pressure
- •Connecting Rod Bend
- •Connecting Rod Twist
- •Connecting Rod Big End Side Clearance
- •Crankpin Diameter
- •Crankpin Diameter Marks
- •Connecting Rod Big End Inside Diameter Marks
- •Crankshaft Side Clearance
- •Crankshaft Runout
- •Crankshaft Main Journal Diameter
- •Crankshaft Main Journal Diameter Marks
- •Crankcase Main Bearing Inside Diameter Marks
- •Shift Fork Ear Thickness
- •Gear Groove Width
- •Shift Fork Guide Pin Diameter
- •Shift Drum Groove Width
- •Rim Runout
- •Axle Runout/100 mm (3.94 in.)
- •Balance Weight
- •Link Pin Outside Diameter
- •Link Plates Outside Width
- •Rear Sprocket Warp
- •Pedal Position
- •Front Disc Thickness
- •Rear Disc Thickness
- •Disc Runout
- •Oil Level (fully compressed, without spring)
- •Fork Spring Free Length
- •Rebound Damping Adjustment
- •Spring Preload Setting
- •Spring Preload Adjustment
- •Table 1 Alternator Output Voltage
- •Table 2 Stator Coil Resistance
- •Rectifier Circuit Inspection
- •Charging Voltage
- •Crankshaft Sensor Peak Voltage
- •Connections:
- •Camshaft Position Sensor Peak Voltage
- •Ignition Coil Winding Resistance
- •Primary Lead Connection
- •Connection:
- •Condition:
- •Starter Motor Brush Length
- •Commutator Diameter
- •Testing Relay
- •Testing Turn Signal Relay
- •Water Temperature Sensor
- •Fuel Level Sensor Resistance
- •Connections:
- •Fuse Circuit Inspection
- •Relay Circuit Inspection (with the battery disconnected)
- •Relay Circuit Inspection (with the battery connected)
- •Diode Circuit Inspection
- •Foreword
- •General Information
- •Battery Ground
- •Edges of Parts
- •Solvent
- •Cleaning vehicle before disassembly
- •Arrangement and Cleaning of Removed Parts
- •Storage of Removed Parts
- •Inspection
- •Replacement Parts
- •Assembly Order
- •Tightening Sequence
- •Tightening Torque
- •Force
- •Gasket, O-ring
- •Liquid Gasket, Locking Agent
- •Press
- •Ball Bearing and Needle Bearing
- •Oil Seal, Grease Seal
- •Circlips, Cotter Pins
- •Lubrication
- •Direction of Engine Rotation
- •Electrical Wires
- •ZR750–J1 Left Side View:
- •ZR750–J1 Right Side View:
- •Subthrottle Control System
- •Outline
- •Outline
- •Due Position of LED Installation
- •Honeycomb Type Catalytic Converter
- •Prefixes for Units:
- •Units of Temperature:
- •Periodic Maintenance
- •Steering Stem Nut Wrench:
- •Fuel System (DFI)
- •Fuel Hose and Connection Inspection
- •Throttle Control System Inspection
- •Engine Vacuum Synchronization Inspection
- •Air Cleaner Element Cleaning
- •Cooling System
- •Radiator Hose and Connection Inspection
- •Coolant Change
- •Engine Top End
- •Valve Clearance Inspection
- •Clutch
- •Engine Lubrication System
- •Engine Oil Change
- •Wheels/Tires
- •Tire Wear Inspection
- •Air Pressure Inspection
- •Final Drive
- •Drive Chain Slack Inspection
- •Brakes
- •Rear Brake Light Switch Connections:
- •Caliper Fluid Seal Damage
- •Brake Line Bleeding
- •Suspension
- •Steering
- •Steering Adjustment
- •Electrical System
- •General Lubrication
- •Lubrication
- •Nut, Bolt, and Fastener Tightness
- •Fuel System (DFI)
- •Terminal Names
- •Part Name
- •Oil Pressure Gauge:
- •DFI Servicing Precautions
- •Outline
- •Outline
- •DFI Diagnosis Flow Chart
- •Inquiries to Rider
- •Inquiries to Rider
- •DFI System Troubleshooting Guide
- •Self-diagnosis Outline
- •Self-diagnosis Outline
- •Self-diagnosis Procedures
- •Self-diagnosis Procedures
- •Service Code Clearing Procedures
- •How to Read Service Codes
- •How to Read Service Codes
- •How to Erase Service Codes
- •How to Erase Service Codes
- •Service Code Table
- •Service Code Table
- •Notes:
- •Backups
- •Backups
- •Main Throttle Sensor Removal/Adjustment
- •Input Voltage Inspection
- •Resistance Inspection
- •CAUTION
- •Removal
- •Installation
- •Input Voltage Inspection
- •Output Voltage Inspection
- •Removal/Installation
- •Output Voltage Inspection
- •Removal/Installation
- •Output Voltage Inspection
- •CAUTION
- •Removal
- •Input Voltage Inspection
- •Crankshaft Sensor Inspection
- •Camshaft Position Sensor Removal/Installation
- •Camshaft Position Sensor Inspection
- •Input Voltage Inspection
- •Removal
- •Installation
- •Inspection
- •Subthrottle Sensor Removal/Adjustment
- •Input Voltage Inspection
- •Removal/Installation
- •Input Voltage Inspection
- •Subthrottle Valve Actuator Removal
- •Audible Inspection
- •Input Voltage Inspection
- •Inspection Flow Chart
- •CAUTION
- •ECU Power Source Circuit
- •ECU Fuse Installation
- •ECU Main Relay Removal
- •Fuel Pressure Inspection
- •Fuel Flow Rate Inspection
- •Fuel Pump Removal
- •Operation Inspection
- •Operating Voltage Inspection
- •Pressure Regulator Removal
- •Pump Screen, Fuel Filter Cleaning
- •Fuel Pump Relay Removal
- •Removal/Installation
- •Choke Lever Operation
- •Throttle Body Assy Removal
- •Throttle Body Assy Disassembly
- •Throttle Body Assy Assembly
- •Air Cleaner Oil Draining
- •Fuel Tank Removal
- •Fuel Tank Cleaning
- •Cooling System
- •Bearing Driver:
- •Coolant Level Inspection
- •Cooling System Flushing
- •Water Pump Housing Disassembly
- •Water Pump Housing Assembly
- •Radiator and Radiator Fan Removal
- •CAUTION
- •Engine Top End
- •Exhaust System
- •Compression Gauge:
- •Camshaft Chain Tensioner Removal
- •Cylinder Compression Measurement
- •Cylinder Head Installation
- •Valve Guide Installation
- •Seat Cutter Operation Care:
- •Cylinder Installation
- •WARNING
- •Clutch
- •Clutch Holder:
- •Clutch Lever Adjustment
- •Release Shaft Removal
- •Engine Lubrication System
- •WARNING
- •Oil Pressure Measurement
- •Engine Removal/Installation
- •Crankshaft/Transmission
- •Bearing Puller:
- •Crankcase Splitting
- •Crankcase Assembly
- •Crankshaft Installation
- •Connecting Rod Installation
- •Wheels/Tires
- •Bearing Driver Set:
- •Front Wheel Installation
- •Axle Inspection
- •Tire Installation
- •Tire Repair
- •Hub Bearing Inspection
- •Final Drive
- •Bearing Driver Set:
- •Coupling Bearing Inspection
- •Brakes
- •Jack:
- •Brake Lever Position Adjustment
- •Brake Pedal Position Adjustment
- •Caliper Holder Shaft Wear
- •Rear Master Cylinder Disassembly
- •Brake Hose Removal/Installation
- •Suspension
- •Fork Cylinder Holder Handle:
- •Swingarm Installation
- •Swingarm Bearing, Sleeve Inspection
- •Steering
- •Steering Stem Nut Wrench:
- •Frame
- •Electrical System
- •Rotor Puller, M16/M18/M20/M22 × 1.5 :
- •Battery Removal
- •Initial Charge
- •Precautions
- •Alternator Inspection
- •Charging System Circuit
- •WARNING
- •Special Tool -
- •Crankshaft Sensor Peak Voltage Inspection
- •Stick Coil (Ignition Coil together with Spark Plug Cap) Removal
- •Stick Coil Primary Peak Voltage
- •IC Igniter Inspection
- •Ignition System Circuit
- •Starter Motor Removal
- •Starter Motor Installation
- •Electric Starter Circuit
- •Headlight/Tail Light Circuit (CA, AS)
- •Headlight/Tail Light Circuit (Other than CA, AS)
- •Turn Signal Light Circuit
- •Turn Signal Light Bulb Replacement
- •Radiator Fan Circuit
- •Electronic Combination Meter Unit Inspection
- •Meter Circuit
- •Rear Brake Light Switch Connections
- •Side Stand Switch Connections
- •Neutral Switch Connections
- •Oil Pressure Switch Connections*
- •Special Tool -
- •Junction Box Internal Circuit
- •30 A Main Fuse Removal
- •15 A ECU Fuse Removal
- •Appendix
- •NOTE
- •Starter motor not rotating:
- •No fuel flow:
- •Engine flooded:
- •No spark; spark weak:
- •Fuel/air mixture incorrect:
- •Compression Low:
- •Poor Running at Low Speed:
- •Spark weak:
- •Fuel/air mixture incorrect:
- •Compression low:
- •Other:
- •Poor Running or No Power at High Speed:
- •Firing incorrect:
- •Fuel/air mixture incorrect:
- •Compression low:
- •Knocking:
- •Miscellaneous:
- •Overheating:
- •Firing incorrect:
- •Muffler overheating:
- •Fuel/air mixture incorrect:
- •Compression high:
- •Engine load faulty:
- •Lubrication inadequate:
- •Gauge incorrect:
- •Coolant incorrect:
- •Cooling system component incorrect:
- •Over Cooling:
- •Gauge incorrect:
- •Cooling system component incorrect:
- •Clutch Operation Faulty:
- •Clutch slipping:
- •Clutch not disengaging properly:
- •Gear Shifting Faulty:
- •Jumps out of gear:
- •Overshifts:
- •Abnormal Engine Noise:
- •Knocking:
- •Piston slap:
- •Valve noise:
- •Other noise:
- •Abnormal Drive Train Noise:
- •Clutch noise:
- •Transmission noise:
- •Drive line noise:
- •Abnormal Frame Noise:
- •Front fork noise:
- •Rear shock absorber noise:
- •Disc brake noise:
- •Other noise:
- •Oil Pressure Warning Light Goes On:
- •Exhaust Smokes Excessively:
- •White smoke:
- •Black smoke:
- •Brown smoke:
- •Handlebar hard to turn:
- •Handlebar shakes or excessively vibrates:
- •Handlebar pulls to one side:
- •Shock absorption unsatisfactory:
- •Battery Trouble:
- •Battery discharged:
- •Battery overcharged:
FRAME 15-1
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Frame |
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Table of Contents |
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Exploded View........................................................................................................................ |
15-2 |
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Seats ...................................................................................................................................... |
15-7 |
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Rear Seat Removal........................................................................................................... |
15-7 |
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Rear Seat Installation........................................................................................................ |
15-7 |
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Front Seat Removal.......................................................................................................... |
15-7 |
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Front Seat Installation ....................................................................................................... |
15-7 |
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Side Covers............................................................................................................................ |
15-8 |
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Side Cover Removal ......................................................................................................... |
15-8 |
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Side Cover Installation ...................................................................................................... |
15-8 |
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Fairings................................................................................................................................... |
15-9 |
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Inner Cover Removal........................................................................................................ |
15-9 |
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Inner Cover Installation..................................................................................................... |
15-9 |
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Fairing Removal................................................................................................................ |
15-9 |
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Fairing Installation............................................................................................................. |
15-9 |
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Fairing Bracket Removal................................................................................................... |
15-9 |
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Seat Covers............................................................................................................................ |
15-10 |
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Seat Cover Removal......................................................................................................... |
15-10 |
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Seat Cover Installation...................................................................................................... |
15-10 |
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Mud Guard.............................................................................................................................. |
15-11 |
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Mud Guard Removal......................................................................................................... |
15-11 |
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Mud Guard Installation...................................................................................................... |
15-11 |
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Fenders .................................................................................................................................. |
15-12 |
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Front Fender Removal...................................................................................................... |
15-12 |
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Front Fender Installation ................................................................................................... |
15-12 |
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Rear Fender Rear Removal.............................................................................................. |
15-12 |
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Rear Fender Rear Installation........................................................................................... |
15-13 |
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15 |
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Frame Cover........................................................................................................................... |
15-14 |
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Frame Cover Removal...................................................................................................... |
15-14 |
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Battery Case........................................................................................................................... |
15-15 |
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Battery Case Removal...................................................................................................... |
15-15 |
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Battery Case Installation ................................................................................................... |
15-15 |
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Side Stand.............................................................................................................................. |
15-16 |
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Side Stand Removal ......................................................................................................... |
15-16 |
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Side Stand Installation ...................................................................................................... |
15-16 |
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Rear View Mirrors................................................................................................................... |
15-17 |
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Rear View Mirrors Removal .............................................................................................. |
15-17 |
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Rear View Mirrors Installation ........................................................................................... |
15-17 |
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Frame ..................................................................................................................................... |
15-18 |
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Frame Inspection .............................................................................................................. |
15-18 |
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15-2 FRAME
Exploded View
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FRAME 15-3 |
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Exploded View |
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No. |
Fastener |
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Torque |
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Remarks |
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N·m |
kgf·m |
ft·lb |
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1 |
Footpeg bracket bolts |
34 |
3.5 |
25 |
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L |
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2 |
Side stand bracket bolts |
49 |
5.0 |
36 |
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3 |
Side stand bolt |
44 |
4.5 |
33 |
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4 |
Side stand switch bolt |
8.8 |
0.90 |
78 in·lb |
G: Apply grease.
L: Apply a non-permanent locking agent.
15-4 FRAME
Exploded View
FRAME 15-5
Exploded View
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No. |
Fastener |
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Torque |
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Remarks |
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N·m |
kgf·m |
ft·lb |
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1 |
Front fender bracket bolts |
8.8 |
0.90 |
78 in·lb |
L |
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2 |
Front fender bolts |
3.9 |
0.40 |
35 in·lb |
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15-6 FRAME
Exploded View
FRAME 15-7
Seats
Rear• Seat Removal
Insert the ignition switch key into the seat lock [A], turning the key clockwise, pulling up on the rear of the seat [B], and pulling the seat backward.
Rear• Seat Installation
Slip the rear seat hooks [A] into the hollow-cubic bracket
•[B] on the frame.
•Insert the seat latch [C] into the latch hole [D].
Push down the rear part of the seat until the lock clicks.
Front• Seat Removal
Remove:
Rear Seat (see Rear Seat Removal)
Mounting Bolt [A]
• Seat Bracket [B]
Remove the front seat [C] by pulling the rear of it up and backward.
Front• Seat Installation
Slip the front seat hook [A] under the brace [B] on the fuel tank bracket.
15-8 FRAME
Side Covers
Side• Cover Removal
•Remove the bolt [A].
Pull the side cover [B] evenly outward to clear the stoppers.
Side• Cover Installation
•Insert the tabs [A] into the holes [B]. Install the bolt.
FRAME 15-9
Fairings
Inner• Cover Removal
Remove:
Inner Cover Screws [A] and Washers
Inner Cover [B]
Inner• Cover Installation
Fit the projection [A] on the inner cover [B] into the hole
•[C] in the fairing.
Install the washers and inner cover screws.
Fairing• Removal
Remove:
Fairing Mounting Bolts [A] (both side)
Headlight Connectors
Fairing• Installation
•Install the headlight connectors.
Fit the projections [A] on the fairing bracket into the holes
•[B] in the fairing.
Tighten the fairing mounting bolts.
Fairing• Bracket Removal
Remove:
Fairing (see Fairing Removal)
Meter Unit (see Electrical System chapter)
Turn Signal Light Nuts [A] and Lights
Rubber Cover [B]
Clamps [C]
Bolts [D]
Fairing Bracket [E]
15-10 FRAME
Seat Covers
Seat• Cover Removal
Remove:
Seats
Screws [A]
•Push the central pin, and then remove the quick rivets [A].
•Pull the front portions [A] of the seat cover outside [B], and then remove the seat cover backward.
Seat• Cover Installation
•Installation is reverse of removal.
Put the projections [A] into the grommets [B] on the frame.
FRAME 15-11
Mud Guard
Mud• Guard Removal
Remove:
Chain Cover (see Final Drive chapter)
Bolt [A]
Clamp [B]
•Lift up the mud guard [A], and then pull it out backward.
Mud• Guard Installation
Put the projections [A] into the grommets [B].
15-12 FRAME
Fenders
Front• Fender Removal
Remove:
Front Wheel (see Wheels/Tires chapter)
Brake Hose Clamps
Front Reflector Bolts [A]
• Bolts [B] (both side) Remove the front fender [C].
Front• Fender Installation
Apply a non-permanent locking agent to the threads of
•the bracket bolts. Tighten:
Torque - Front Fender Bracket Bolts: 8.8 N·m (0.90 kgf·m, 78 in·lb)
• Front Fender Bolts: 3.9 N·m (0.40 kgf·m, 35 in·lb)
•Install the brake hose clamps to the front fender holes. Install the front wheel (see Wheels/Tires chapter).
Rear• Fender Rear Removal
Remove:
Seats
Seat Cover
Diodes [A] (pull out)
Stop and Turn Signal Light Lead Connectors [B] Seat Lock Mounting Bolts [C]
Rear Fender Assy Bolts [D]
•Remove:Screws [A] and Washers
Tail-Lamp Assembly [B]
•Remove:
Bolts [A]
Storage Compartment [B]
FRAME 15-13
Fenders
•Remove:
Quick Rivets [A]
Rear Fender Rear [B]
Rear• Fender Rear Installation
Put the projection [A] into the hole [B].
•Put the projections [A] into the holes [B].
•Installation is reverse of removal.
15-14 FRAME
Frame Cover
Frame• Cover Removal
Remove:
Bolts [A]
Frame Cover [B] (both side)
FRAME 15-15
Battery Case
Battery• Case Removal
Remove:
Seats
Seat Cover
Rear Fender Assy
Side Covers
Battery
• Reserver Tank Screws
Pull out the battery case [A] backward.
Battery• Case Installation
Put the battery case attachments [A] at the projections [B] on the frame.
15-16 FRAME
Side Stand
Side• Stand Removal
•Raise the rear wheel off the ground with the stand. Remove:
Side Stand Switch Bolt [A]
Side Stand Switch [B]
Spring [C]
Side Stand Nut [D]
Side Stand Bolt [E]
Side Stand [F]
Side• Stand Installation
•Apply grease to the sliding area [B] of the side stand [A]. Tighten the bolt and lock them with the nut.
•Torque - Side Stand Bolt: 44 N·m (4.5 kgf·m, 33 ft·lb)
•Hook the spring
Install the side stand switch.
○Apply a non-permanent locking agent to the thread of the switch bolt.
Torque - Side Stand Switch Bolt: 8.8 N·m (0.90 kgf·m, 78 in·lb)
FRAME 15-17
Rear View Mirrors
Rear• View Mirrors Removal
Loosen the lower hexagonal area [A] for tightening to remove the rear view mirror from the holder.
CAUTION
Do not force to tighten and/or loosen the upper hexagonal area (Adapter) [B] with a pair of spanners. Disassembly of this area is Not Available. Non-permanent locking agent [D] is already applied to the threads of this inner area. Forcible loosening may damage the adapter and/or the turning mechanism of the stay [C].
Rear• View Mirrors Installation
Screw the mounting area of the right rear view mirror into the holder all the way, and tighten the lower hexagonal area for tightening securely.
Lower Hexagonal Area for Tightening [A]
Upper Hexagonal Area (Adapter) [B]
Rear View Mirror (Right) [C]
•Turn the stay [A] to assure the safe conditions of the rear
•with the operator sat on the motorcycle.
Adjust the rear view mirror slightly with its mirror [B]. ○Installation and adjustment of the left side are common
with those of the right side. Follow the procedure specified at the right side.
15-18 FRAME
Frame
Frame• Inspection
Visually inspect the frame for cracks, dents, bending, or warp.
○If there is any damage to the frame, replace it.
WARNING
A repaired frame may fail in use, possibly causing an accident. If the frame is bent, dented, cracked, or warped, replace it.