Honda GX630 Technical Manual

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Technical Manual

GX630

GX660

GX690

PTR54124-A

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Page 3: Table Of Contents
Wiring Diagrams ............14 2.7A Charging systems - Remote Control Type .. 14 Control Box Type ..........14 17A Charging Systems - Remote Control Type ... 15 Control Box Type ..........15 © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 4: Introduction
MISSION EGULATIONS The Honda GX630, GX660, and GX690 engines meet U.S. Environmental Protection Agency and the California Air Resources Board regulations when fitted with a certified fuel delivery system and either a Honda genuine muffler or a certified muffler.
Page 5: Recommended Power Range
(HP) (kW) (HP) NET POWER NET POWER RECOMMENDED OPERATING SPEED RANGE RECOMMENDED OPERATING SPEED RANGE (min [rpm ]) 2000 3000 3600 (min 2000 3000 3600 ENGINE SPEED ENGINE SPEED © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 6 GX630 • GX660 • GX690 Technical Manual GX690 (N·m) (lbf·ft) (kgf·m) NET TORQUE (kW) (HP) NET POWER RECOMMENDED OPERATING SPEED RANGE (min 2000 3000 3600 ENGINE SPEED © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 7: Output Confirmation Methods
These temperatures are based on a maximum ambient temperature of 40°C (104°F). Compensate for any deviation linearly; i.e., if the ambient temperature is 20°C (68°F), the maximum acceptable oil temperature is 120°C (248°F). © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 8: Engine Enclosures
When the engine is operated on grass cutting equipment, install a rotary screen grid on the cooling air intake port to prevent the accumulation of large clippings. Do not allow the grass clippings shredded by the rotary screen grid to accumulate around the intake port. © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 9: Fuel System
Removing the battery when the engine is running will cause the engine to stop. ONTROLS Engine Switch Use a three-position engine switch with continuity between its terminals as shown. Wire (Color) (Bl) (Bl/Y) (Bl/W) Switch Position START © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 10: Remote Control Throttle And Choke
THROTTLE CABLE THROTTLE CABLE CHOKE CABLE CHOKE CONTROL 4 x 6 mm LEVER THROTTLE CONTROL LEVER CHOKE CABLE CHOKE CONTROL GOVERNOR SPRING LEVER WIRE HOLDER THROTTLE CONTROL LEVER GOVERNOR SPRING © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 11: Exhaust System
Pressure should be as shown below with continuous load applied. Apply the higher of the two cylinders. 3600 rpm 3000 rpm Min. Min. 10.0 GX690 1020 GX660 14.0 12.0 GX630 1428 1224 © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 12: Engine Mounting
Install the muffler on the engine body, using a rigid stay to prevent resonance of the muffler when the engine speed · is within the specific operating speed range. © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 13 (vertical, lateral, and horizontal). Direction Allowable G value (Peak) (RMS) Vertical 5 (49 m/s 3.5 (34 m/s Horizontal 5 (49 m/s 3.5 (34 m/s lateral 5 (49 m/s 3.5 (34 m/s © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 14: Electrical System
When setting the harness, make sure that electromagnetic noise transmitted via the harness does not affect the engine. If the engine is likely to be adversely affected by noise, use shielded wire or change the harness routing. © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 15: Charging Coil Selection
Protect positive electrical connections with a cover or insulation. · Types with Oil Alert: Attach the negative battery cable from the battery directly to the outer mounting bolt of the · electric starter. © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 16: Wiring Diagrams
(Bu) (Bl/Y) (Bl/Y) SPARK PLUG No. 2 IGNITION COIL SPARK COMBINATION PLUG SWITCH HOUR METER CONTROL BOX No. 1 FUEL CUT BATTERY STARTER LEVEL IGNITION SOLENOID MOTOR SWITCH COIL © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 17: 17A Charging Systems - Remote Control Type
(Bu) (Bl/Y) (Bl/Y) SPARK PLUG No. 2 IGNITION COIL SPARK COMBINATION PLUG SWITCH HOUR METER CONTROL BOX BATTERY No. 1 FUEL CUT STARTER LEVEL IGNITION SOLENOID MOTOR SWITCH COIL © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 18: 26A Charging System
Before securing the engine and attachment to the engine bed, verify that the V-groove of the engine pulley and attachment pulley are aligned and that the engine PTO shaft and attachment driven shaft are parallel. © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 19 Distance from engine side cover DOWNWARD PULL to center line of drive pulley ENGINE PTO RANGE ENGINE BASE To reduce resonance, install a stay between the engine and attachment as shown below. © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 20: Front Pto Shaft Output
Select the proper oil viscosity for the attachment according to the attachment’s working temperature. Minimum engine cranking voltage 9.6 Vdc Minimum engine cranking rpm 250 rpm Maximum engine cranking amperage 200 A © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 21: Installation Considerations
CONTROL PANEL Right-rear Side OIL LEVEL DIPSTICK HIGH-MOUNT MUFFLER (B type) OIL FILLER CAP HIGH-MOUNT MUFFLER (A type) SPARK PLUG OIL DRAIN BOLT SIDE-MOUNT MUFFLER ELECTRIC STARTER OIL FILTER © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 22: Dimensional Drawings
M8x1.25 DEPTH 18 (EXHAUST PORT CENTER) PORT END) (2 PLACES) M8x1.25 DEPTH 18 (2 PLACES) 135 (5.3) 198.5 (7.81) 207 (8.1) 405 (15.9) 245(9.6) 205(8.1) 205(8.1) 81 (3.2) (EXHAUST PORT END) © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 23: Side Mount Muffler
GX630 • GX660 • GX690 Technical Manual Side Mount Muffler unit: mm (in) 166(6.5) 78(3.1) 238.5(9.39) 209(8.2) 280(11.0) 307(12.1) High Mount Muffler 275.8(10.86) 380(15.0) 309.5 68(2.7) 130.5 102.5 © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 24: Mounting And Pto Shaft Drawings
(4 PLACES) 7/16-14UNF-2B TAP (4 PLACES) 18 (0.2) 4 (0.2) 18(0.7) 92 (3.6) 50 (2.0) 43.5 (1.71) 5 (0.2) +0.05 +0.002 9.53 (0.375 2 (0.1) 4.5 (0.18) 111.2 (4.38) © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 25 28 (1.1) 5 (0.2) +0.05 +0.002 (0.3 4.5 (0.18) 3 (0.1) 50 (2.0) 70 (2.8) 49 (1.9) 43.5 (1.71) 5 (0.2) +0.002 +0.05 0.25 4.5 (0.18) 6 (0.2) 90 (3.5) © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 26: Dimensions And Weights
V, T types: 46.2 kg (101.9 lbs) B type: 46.6 kg (102.7 lbs) DEN type: 45.9 kg (101.2 lbs) Maximum angle of inclination Forward and backward: 20° Left and right: 20° © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 27: Specifications
The following Maintenance section is duplicated from the applicable owner’s manual and is accurate at the time of publication of this manual. It is provided for your reference in considering serviceability issues. © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 30 Always replace the paper filter element at the If necessary, add oil to bring the oil level to the upper limit mark scheduled interval (see page on the oil level dipstick. © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 32 The spark arrester must be free of breaks and holes. Replace the spark arrester if it is damaged. HIGH-MOUNT MUFFLER TYPE SIDE-MOUNT MUFFLER TYPE SPARK ARRESTER SCREEN Install the spark arrester and muffler protector in the reverse order of disassembly. © 2010 American Honda Motor Co., Inc — All Rights Reserved...
Page 33: Evaporative Emissions (Carb Tier 3)
Connect the purge tube to the joint on the dirty side of the air cleaner. Joint outer diameter: 11 mm Additional information regarding manufacturers of CARB certified fuel system components can be found at: http://www.arb.ca.gov/msprog/offroad/sore/sorecomponent/sorecomponent.htm#. © 2010 American Honda Motor Co., Inc — All Rights Reserved...

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