Engines Honda Engines

Honda GX390 Engine Electric Start

NZ $2,403.50
NZ $2,090.00 excl GST

Honda’s GX series air cooled 4 stroke OHV horizontal shaft engines deliver solid reliable power and performance in a compact, lightweight design with an optimized layout of cylinder, air cleaner, muffler and fuel tank for easy installation into a wide range of equipment. Consistent easy starting thanks to Honda’s automatic mechanical decompressor and hot-sparking transistorized ignition.

Please contact us to check if we have stock of this item. Sorry, there are only 40 of this item currently in stock.
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Honda Engines



  • HONDA GX390, 13HP max
  • Max net torque 25.1Nm @2500rpm
  • 1” keyed shaft
  • Bore x stroke – 88 x 64
  • Displacement 389cm³
  • Compression ratio 8:1
  • Cast iron bore
  • Electric start incl. control box
  • Recoil start for backup
  • 6.5L fuel capacity
  • Fuel consumption; 3.7L/hour @3600rpm
  • Dimensions (LxWxH); 405x450x443mm
  • Weight 31kg
  • Base Mount Bolt Hole Measurements 195mm Across x 99-103mm Deep 
  • Bolt holes around the shaft measure 90mm square, centre to centre 
Efficient OHV combustion design delivers high torque and power while reducing fuel consumption.
Solid reliable power & performance from the world’s most innovative engine maker.
Also available with:
  • 2:1 reduction
  • 6:1 reduction
  • 25mm shaft
  • Electric start

Product code E1313F

FREE Service Pack

Valued at $79.00!!


  • 2 x 1L engine oil
  • 1 x replacement air filter
  • 1 x replacement NGK spark plug
  • 1 x spark plug spanner  


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User Reviews

There are: 1 reviews, with an average rating of 5.0 out of 5
I have bought 3 engines off Riequip over the last few years.
Every purchase has been completely hassle free with this one arriving from Auckland to Dunedin in 2 days.
I have no hesitation in recommending Riequip to any other purchasors
Posted by Garry Young on 2022-06-29 18:39:44

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