The oil capacity is 2.7 US fluid ounces.
Honda Engines, HONDA GX25NTS ENGINE, Engine Displacement 25 cc, Engine Type GX Series OHC, Model# GX25NTXS3

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

Click or Tap image to Zoom
Shipping:
Factory shippedStore Pickup:
Not available - online only
- Air-cooled, 4-stroke, horizontal engine
- Applications: String Trimmers, Earth Augers and other high-RPM applications
- Automatic decompression for easy starting
- Reliable and durable, with an overhead cam design that offers cooler, fuel-efficient operation
- Cast iron cylinder sleeve that provides longer service life
See full description
Description
Key Specs
Reviews
Q & A
Accessories
Warranty
Compare
Product Summary
What's Included
- (1) Engine
Downloads
Features + Benefits
- Air-cooled, 4-stroke, horizontal engine
- Applications: String Trimmers, Earth Augers and other high-RPM applications
- Automatic decompression for easy starting
- Reliable and durable, with an overhead cam design that offers cooler, fuel-efficient operation
- Cast iron cylinder sleeve that provides longer service life
- Reliable, starts easily and runs quietly
- Great for use with construction equipment
- Full 360° any-side-up operation
- Not for sale in CA
Key Specs
| Attribute | Specification |
|---|---|
item# | 44258 |
Brand | Honda Engines |
Manufacturer's Warranty | 2 year limited warranty |
Ship Weight | 15.0 LB |
Engine Displacement | 25 cc |
Engine Type | GX Series OHC |
Start Type | Recoil |
Net Torque | 0.74 ft-lbs. |
Crankshaft | Horizontal |
PTO Height | 3.5 in |
Cylinders (qty.) | 1 |
Cylinder Bore | Cast Iron |
Net Power Output | 1 HP |
Compression Ratio | 8:1 |
Fuel Tank | Yes |
Fuel Tank Capacity | 0.61 qt |
| Attribute | Specification |
|---|---|
Oil Capacity | 0.084 qt |
Shaft Rotation (From PTO Shaft Side) | Counter Clockwise |
Ignition System | Transistorized Magneto |
Carburetor | Diaphragm (overflow Return) |
Lubrication System | Pressure |
Bearing Type | Ball |
Auto Compression Release | Yes |
Cooling System | Air |
Bore | 1.37 in |
Stroke | 1 in |
Air Cleaner Type | Semi-dry |
Choke Control | Manual |
Throttle Control | Manual |
Fuel Filter | Yes |
Muffler Included | Yes |
Reviews
Questions & Answers
Questions
-
· a year ago
Oil capacity for this motor
1 answer-
ProductExpert13· a year ago
Helpful?
-
-
· 2 years ago
Shaft diameter/length? Is this engine suitable for vertical log splitters?
1 answer-
ProductExpert11· 2 years ago
There is not a standard PTO shaft on the engine. The engine will have a clutch attached. This is not recommended to be used for a log splitter application.
Helpful?
-
-
· 2 years ago
what type of fuel to be used? Ethanol free?
1 answer-
ProductExpert6· 2 years ago
The recommended gas for this engine would be unleaded 86 octane or higher.
Helpful?
-
-
· 2 years ago
What is the bolt pattern diameter
1 answer-
ProductExpert11· 2 years ago
The engine has a 4 bolt pattern. The bolt pattern is 2.3" (58MM) x 2.3" (58MM).
Helpful?
-
-
· 4 years ago
How fast does in MPH?
1 answer-
ProductExpert30· 4 years ago
This engine has a 1.2 horsepower rating.
Helpful?
-
-
· 4 years ago
How fast does it go?
1 answer-
ProductExpert6· 4 years ago
The maximum this engine will do is 7,000 RPM. It would put out 0.74 ft lbs of torque at 5,000 RPM.
Helpful?
-
Accessories We Recommend
This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.
Warranty
Manufacturer's Warranty
2 year limited warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Replacement Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
Compare with Most Popular in Horizontal Engines
See All Horizontal Engines
See All Honda Engines Horizontal Engines
Currently Viewing This Product
Item # 44258
$289.99Shipping:
Factory shippedStore Pickup:
Not available - online only
- $2299.99
Shipping:
Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
- $1999.99
Shipping:
Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
- $2379.99
Shipping:
Factory shippedHeavy/large item. Lift gate service available.
Store Pickup:
Not available - online only
Specifications
25 cc
688 cc
688 cc
688 cc
GX Series OHC
GX Series OHV V-twin
GX Series OHV V-twin Commercial-duty
GX Series OHV V-twin
Recoil
Electric
Electric
Electric
0.74 ft-lbs.
35.6 ft-lbs.
35.6 ft-lbs.
35.6 ft-lbs.
Horizontal
T-type
V-type
T-type
3.5 in
5.25 in
5.25 in
-
1
2
2
2
Cast Iron
Integrated
Integrated
Integrated
1 HP
22.1 HP
20.8 HP
22.1 HP
8:1
9.3:1
9.3:1
9.3:1
Yes
No
No
No
0.61 qt
-
-
-
0.084 qt
2.1 qt
2 qt
2 qt
Counter Clockwise
Counter Clockwise
Counter Clockwise
Counter Clockwise
Transistorized Magneto
Electrical, Digital CDI W/variable Ignition Timing
Electonic, Digital CDI W/variable Ignition Timing
Electrical, Digital CDI W/variable Ignition Timing
Diaphragm (overflow Return)
Horizontal, Two-barrel Butterfly Valve, Internal Vent
2-barrel, Fuel Cut Solenoid, Inner Vent
(2) Barrel, Fuel Cut Solenoid, Inner Vent
Pressure
Forced Lubrication
Full Pressure
Full Pressure
Ball
Ball
-
Ball
Yes
Yes
-
-
Air
Air
Air
Air
1.37 in
-
3.1 in
3.1 in
1 in
-
2.8 in
2.8 in
Semi-dry
-
Dual Element
Dual Element
Manual
-
Manual
Manual
Manual
-
Manual
Manual
Yes
-
-
-
Yes
-
No
No
-
1-1/8 in
Tapered
1-1/8 in
-
2.9 in
3 in
3.5 in
-
0.25 in
-
0.25 in
-
No
-
No
-
No
Yes
Yes
-
Mechanical
Mechanical
Mechanical
-
-
2.7
20
See All Horizontal Engines
See All Honda Engines Horizontal Engines
Recently Viewed Items
This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.






