Description

This collection contains the following products:

HONDA GX-630, GX660, GX690 parts manual

HONDA GX-630, GX660, GX690 Technical manual.

HONDA GX-630R, GX660R, GX690R parts manual

Honda GX-630, GX660, GX690 workshop manual
1. SPECIFICATIONS
SERIAL NUMBER LOCATION ······················ 1-2
DIMENSIONS AND WEIGHTS
SPECIFICATIONS·········································· 1-2
ENGINE SPECIFICATIONS ··························· 1-3
PERFORMANCE CURVES···························· 1-4
DIMENSIONAL DRAWINGS···························1-7
PTO DIMENSIONAL DRAWINGS ··················1-9
ENGINE MOUNT DIMENSIONAL
DRAWING ·····················································1-11
2. SERVICE INFORMATION
MAINTENANCE STANDARDS······················ 2-2
TORQUE VALUES ········································· 2-4
LUBRICATION & SEAL POINT ····················· 2-5
TOOLS·····························································2-6
HARNESS ROUTING······································2-8
TUBE ROUTING············································2-13
3. MAINTENANCE
MAINTENANCE SCHEDULE························· 3-2
ENGINE OIL LEVEL CHECK························· 3-3
ENGINE OIL CHANGE··································· 3-4
OIL FILTER REPLACEMENT ························ 3-4
AIR CLEANER CHECK/CLEANING·············· 3-5
AIR CLEANER REPLACEMENT ··················· 3-6
SPARK PLUG CHECK/ADJUSTMENT ········· 3-6
SPARK PLUG REPLACEMENT·····················3-7
SPARK ARRESTER CLEANING····················3-7
IDLE SPEED CHECK/ADJUSTMENT ············3-8
VALVE CLEARANCE CHECK/
ADJUSTMENT ················································3-8
COMBUSTION CHAMBER CLEANING ·······3-10
FUEL FILTER REPLACEMENT····················3-10
FUEL TUBE CHECK·····································3-11
4. TROUBLESHOOTING
BEFORE TROUBLESHOOTING····················
TROUBLESHOOTING ····································4-2
5. COVER
FAN COVER REMOVAL/INSTALLATION····· 5-2
LOWER SHROUD REMOVAL/
INSTALLATION···············································5-5
6. FUEL SYSTEM
SYSTEM DIAGRAM ······································· 6-2
FUEL SYSTEM TROUBLESHOOTING ········· 6-2
AIR CLEANER REMOVAL/
INSTALLATION·············································· 6-3
FUEL PUMP REMOVAL/INSTALLATION····· 6-4
CARBURETOR REMOVAL/
INSTALLATION·············································· 6-5
CARBURETOR DISASSEMBLY/
ASSEMBLY·····················································6-6
PILOT SCREW REMOVAL/
INSTALLATION···············································6-7
CARBURETOR BODY CLEANING ················6-7
CARBURETOR INSPECTION ························6-8
7. GOVERNOR SYSTEM
GOVERNOR ARM/CONTROL REMOVAL/
INSTALLATION·············································· 7-2
MAXIMUM SPEED ADJUSTMENT················ 7-3
GOVERNOR ARM INSTALLATION
(Without auto throttle type) ························· 7-3
GOVERNOR SPRING INSTALLATION········· 7-4
AUTO THROTTLE SOLENOID REMOVAL··· 7-5
AUTO THROTTLE SOLENOID/GOVERNOR
ARM INSTALLATION ·····································7-6
CONTROL BOX REMOVAL/
INSTALLATION···············································7-8
THROTTLE CABLE INSTALLATION·············7-9
CHOKE CABLE INSTALLATION ···················7-9
CONTROL BOX DISASSEMBLY/
ASSEMBLY···················································7-10
8. CHARGING SYSTEM
SYSTEM DIAGRAM ······································· 8-2
CHARGING SYSTEM
TROUBLESHOOTING···································· 8-3
COOLING FAN/FLYWHEEL REMOVAL/
INSTALLATION·············································· 8-4
CHARGE COIL REMOVAL/
INSTALLATION···············································8-6
CHARGE COIL INSPECTION·························8-7
REGULATOR/RECTIFIER SYSTEM
INSPECTION···················································8-7
REGULATOR/RECTIFIER INSPECTION ·······8-8

9
9. IGNITION SYSTEM
SYSTEM DIAGRAM ······································· 9-2
IGNITION SYSTEM
TROUBLESHOOTING···································· 9-2
IGNITION COIL REMOVAL/
INSTALLATION···············································9-4
SPARK TEST ··················································9-5
10. STARTING SYSTEM
SYSTEM DIAGRAM ····································· 10-2
STARTING SYSTEM
TROUBLESHOOTING·································· 10-2
STARTER MOTOR REMOVAL/
INSTALLATION············································ 10-3
STARTER MOTOR DISASSEMBLY/
ASSEMBLY···················································10-4
STARTER MOTOR INSPECTION·················10-5
BRUSH REPLACEMENT······························10-8
11. OTHER ELECTRICAL
COMPONENT LOCATION··························· 11-2
OIL LEVEL SWITCH INSPECTION ············· 11-3
OIL PRESSURE SWITCH INSPECTION ····· 11-3
AUTO THROTTLE SOLENOID
INSPECTION·················································11-3
COMBINATION SWITCH INSPECTION·······11-4
HOUR METER INSPECTION························11-5
12. MUFFLER
HIGH MOUNT MUFFLER REMOVAL/
INSTALLATION············································ 12-2
SIDE MOUNT MUFFLER REMOVAL/
INSTALLATION············································ 12-3
EXHAUST PIPE STUD BOLT
REPLACEMENT············································12-5
HIGH MOUNT MUFFLER MOUNTING STUD
BOLT REPLACEMENT·································12-5
13. LUBRICATION SYSTEM
LUBRICATION SYSTEM DIAGRAM ··········· 13-2
OIL PRESSURE TEST ································· 13-3
OIL PUMP INSPECTION·······························13-4
14. CYLINDER
CYLINDER/PISTON REMOVAL ·················· 14-2
PISTON INSTALLATION ····························· 14-3
CYLINDER INSTALLATION ························ 14-3
CYLINDER DISASSEMBLY/ASSEMBLY···· 14-5
PISTON DISASSEMBLY/ASSEMBLY··········14-6
CYLINDER/PISTON INSPECTION ···············14-6
VALVE SEAT RECONDITIONING··············14-13
CYLINDER STUD BOLT
REPLACEMENT··········································14-14
15. CRANKCASE
CRANKCASE COVER REMOVAL/
INSTALLATION············································ 15-2
CRANKSHAFT/CONNECTING ROD/
CAMSHAFT/VALVE LIFTER REMOVAL/
INSTALLATION············································ 15-4
CAMSHAFT INSTALLATION······················· 15-5
BREATHER DISASSEMBLY/
ASSEMBLY ·················································· 15-5
BREATHER COVER INSTALLATION········· 15-6
GOVERNOR/OIL PUMP/OIL FILTER
DISASSEMBLY/ASSEMBLY ······················· 15-7
VALVE LIFTER DISASSEMBLY/
ASSEMBLY···················································15-8
CRANKCASE COVER/CRANKCASE/
CRANKSHAFT/CONNECTING ROD/
CAMSHAFT/VALVE LIFTER
INSPECTION·················································15-8
CRANKSHAFT OIL SEAL REPLACEMENT
(CRANKCASE COVER SIDE) ····················15-13
CRANKSHAFT/GOVERNOR ARM SHAFT OIL
SEAL REPLACEMENT
(CRANKCASE SIDE) ··································15-14
16. TECHNICAL FEATURES
HIGH-COMPRESSION ENGINE ·················· 16-2
17. WIRING DIAGRAMS
2.7A CHARGE COIL / REMOTE CONTROL
TYPE····························································· 17-2
2.7A CHARGE COIL / CONTROL BOX
TYPE····························································· 17-2
17A CHARGE COIL / REMOTE CONTROL
TYPE····························································· 17-3
17A CHARGE COIL / CONTROL BOX
TYPE······························································17-3
26A CHARGE COIL / REMOTE CONTROL
TYPE······························································17-4

HONDA-GX-630 660 690-OWNERS MANUAL

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