GX630 • GX660 • GX690 Technical Manual
Preface
This manual covers engine selection, engine installation design, and engine installation testing so the combination of a
Honda engine and your equipment will make the best possible product.
Please feel free to contact your Honda Engine Distributor at any time for additional technical information or to discuss
your engine application needs.
All information contained in this manual is based on the latest product information available at the time of printing. We
reserve the right to make changes at anytime without notice.
No part of this publication may be reproduced, or transmitted, in any form or by any means, electronic, mechanical
photocopying, recording or otherwise, without the prior written permission of the publisher. This includes text, figures
and tables.
Contents
Introduction ................................................................. 2
Design Features .......................................................... 2
Power Curves ........................................................ 3
Cooling ....................................................................... 5
Testing ................................................................... 5
Fuel System ................................................................ 7
Fuel Line ................................................................. 7
Fuel Valve .............................................................. 7
Fuel Pump ............................................................. 7
Controls ....................................................................... 7
Engine Switch ........................................................ 7
Exhaust System .......................................................... 9
Inclination ............................................................. 10
Battery ................................................................ 12
Fuse ..................................................................... 12
Battery Cables ..................................................... 12
Engine Switch ...................................................... 12
© 2010 American Honda Motor Co., Inc - All Rights Reserved
Specifications ............................................................25
Serviceability .............................................................25
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