Honda GX35 1.3HP 35cc Engine – Forced Air Cooled
For repower jobs, Honda GX35 puts out 1.3 horsepower. A 35cc block backs up the output, and torque peaks at 1.6 Nm. Recoil Start gets it running without a fuss.
- Rated for 1.3 horsepower output
- A 35cc block drives the output
- Maxes out around 1.6 Nm of torque
- Recoil start keeps setup simple
- Forced air cooling handles sustained loads
Description
Cast with a 360-degree multi-position lubrication system, the Honda GX35 mini 4-stroke engine withstands operation at any angle without oil starvation or fuel leaking. Commercial groundskeepers and concrete finishers lose productive hours mixing two-cycle oil and clearing carbon-clogged exhaust ports on handheld power equipment. This 35cc 1.3HP engine delivers true 4-stroke reliability, allowing operators to run tools upright, tilted, or completely inverted without stalling.
An overhead cam valvetrain driven by an internal timing belt delivers clean fuel combustion with low mechanical noise. Rotary sling lubrication pumps oil droplets through internal galleries during operation, protecting connecting rod bearings regardless of tool position. The semi-wet air cleaner prevents fine silica and plant dust from entering the intake tract, keeping the engine running clean during tough concrete screeding assignments.
Technical Specifications of Honda GX35
- 35cc 1.3HP Mini 4-Stroke OHC Engine: Delivers clean 4-stroke torque without two-cycle oil and gas fuel mixing.
- Any-Position 360-Degree Operation: Operates upright, sideways, or inverted without oil starvation or fuel leak issues.
- Internal Timing Belt Valvetrain: Operates inside the crankcase oil mist for quiet running and long service life.
- Low-Effort Recoil Pull Starter: Connects to an automatic mechanical decompressor for fast starts with low pull force.
- Semi-Dry Commercial Air Cleaner: Traps airborne debris to protect internal cylinder bore concentricity.
- Ultra-Lightweight Engine Design: Weighs under 7.7 pounds dry to reduce operator arm fatigue during handheld tool use.
- Integrated Diaphragm Carburetor: Maintains precise fuel metering across varying angles and steep operating inclines.
- Quiet Muffler Guard Assembly: Protects operator hands while keeping jobsite sound levels well within safety regulations.
Operational Reliability in Commercial Service
This engine delivers dependable commercial utility stamina while handling high-RPM loads on handheld and portable tool frames.
- True 4-stroke operation eliminates fuel-mix errors by crews, protecting engine cylinders from oil-free fuel burn.
- High combustion efficiency lowers fuel burn per jobsite shift, cutting daily operating expenses across commercial fleets.
- Concrete finishing crews and grounds maintenance operators gain dependable power for portable screeds and trimmers.
- Standard utility flange mounting allows fast drop-in repower swaps without custom adapter fabrication.
Machinery Compatibility & Chassis Mounting
Weighing 7.6 pounds dry with a multi-bolt utility mounting flange, this compact motor powers vibratory concrete screeds, mini power tillers, commercial string trimmers, and handheld chemical sprayers without modification.
Warranty Coverage & Preventive Maintenance
- Commercial fleet operators receive 3-Year limited factory warranty coverage against component defects.
- Residential and estate owners receive 3-Year complete consumer warranty protection.
Maintain peak performance by changing oil every 50 hours with standard 10W-30 engine oil, cleaning the air filter weekly on dusty sites, and checking the spark plug gap at 0.024 to 0.028 inches. Order the Honda GX35 mini 4-stroke engine from Mulmotor.com for guaranteed factory-fresh units, complete manufacturer warranty coverage, and dedicated commercial equipment support.
Honda GX35-S3 Horizontal Technical Specs
| Brand | Honda |
| Full Model Code | GX35-S3 |
| Country of Origin | Japan |
| Engine Orientation | Horizontal Shaft (360° Inclinable) |
| Engine Type | 4-Stroke, OHC, Single Cylinder |
| Displacement | 35.8 cc |
| Bore x Stroke | 39 x 30 mm |
| Maximum Output | 1.0 kW (1.3 HP) @ 7000 RPM |
| Maximum Torque | 1.6 Nm (1.2 lbs-ft) @ 5500 RPM |
| Fuel Induction System | Diaphragm Carburetor |
| Ignition System | Transistorized Magneto |
| Start System | Recoil Start |
| Shaft Specification | Straight Keyway / Threaded Shaft Option |
| Fuel Tank Capacity | 0.63 Liters |
| Oil Capacity & Type | 0.10 Liters / SAE 10W-30 |
| Cooling System | Forced Air Cooled |
| Dry Weight | 3.46 kg |
| Dimensions | 205 x 234 x 240 mm |
| Standard Warranty | 1 Year |
| Primary Application | Mini-Pumps, Specialized Hobby Equipment |












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