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2.5 NET HP Honda Engine, Plate Tamper Tapered Shaft (GX100KRG)

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Current Stock: 4


The GX Series has proven itself as one of the most rugged, easy-starting and reliable engines around. Trades people stake their livelihood on them day after day. With a wide range of selections, there's a GX Series engine for almost any application. Impressive fuel efficiency, serious durability and a solid performance you can rely on - from one day to the next, the GX100 is ready to work hard for you.

  • Precision camshaft design for precise valve timing and optimal valve overlap
  • Precision-engineered components result in lower vibration
  • Oil Alert
  • Automatic mechanical de-compression system
  • Common Applications:
    • Commercial lawn and garden equipment
    • Construction/industrial equipment
    • Agricultural equipment
    • Water pumps



Engine Type

Air-cooled 4-stroke OHC

Bore x Stroke

56 mm x 40 mm


98 cm cubed

Net Power Output*

2.8 HP (2.1 kW) @ 3,600 rpm

Net Torque

4.2 lb-ft (5.7 Nm) @ 3,600 rpm
PTO TypeTapered
PTO Diameter/Taper16.8 mm - 1/5

PTO Shaft Rotation

Counterclockwise (from PTO shaft side)
PTO Bolt SizeM8 x 1.25 mm

Compression Ratio


Fuel Tank Capacity

0.77 litres (.81 US qts)


Float type

Ignition System

Transistorized magneto

Starting System


Lubrication System


Governor System

Centrifugal mechanical

Air Cleaner

Dual element
MufflerSTD (Rammer -Slant)

Oil Capacity

0.40 litres (0.42 US qts)


Unleaded 86 octane or higher

Dry Weight

10.6 kg (23.4 lbs)

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