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CISON L4-175 17.5cc OHV Inline-4 Gasoline Engine is a compact 17.5cc OHV inline-four working engine offered in kit and pre-assembled red or blue configurations. This page is written for buyers comparing CISON L4-175 OHV engine model, 17.5cc OHV inline four gasoline engine, water cooled L4 model engine kit, CISON L4 assembled RC engine and related working mechanical models.
CISON L4-175 17.5cc OHV Inline-4 Gasoline Engine: Quick Answer
Choose this model when you want to study or operate four in-line cylinders, pushrod-operated overhead valves, independent lubrication, electronic starting and circulating water cooling. It is best suited to advanced inline-four collectors, RC builders and users comparing OHV and flathead miniature engines. The original white-background main image identifies the exact product architecture; the gallery shows additional angles, components and available configurations.
Verified Product Specifications
| Model | L4175-OHV |
|---|---|
| Layout | OHV inline four-cylinder |
| Displacement | 17.5cc |
| Cycle | Four-stroke |
| Bore x stroke | 16.7 x 14mm |
| Published range | 1500-8000 rpm |
| Cooling | Water-cooled |
| Lubrication | Independent lubrication system |
| Starting | Electronic start; 6-14V supply specified |
| Ignition | CISON L4 CDI igniter specified; confirm inclusion by version |
| Fuel | 92 octane gasoline or above as specified |
| Approximate dimensions | 13.5 x 10.24 x 10.5cm |
| Approximate weight | 1300g |
Why This Model Is Different
- Clear engineering focus: the layout makes four in-line cylinders, pushrod-operated overhead valves, independent lubrication, electronic starting and circulating water cooling easier to observe than a generic closed display model.
- Configuration transparency: selectable versions are named explicitly and their price changes appear beside the option before checkout.
- Visual buying evidence: multiple gallery views help verify exterior finish, major components and supplied assembly state.
- Specialist fit: the product expands the collection into a distinct engine architecture rather than duplicating an existing listing.
How to Choose the Correct Version
- Confirm the selected option, assembly state, color or bundle before adding the item to the cart.
- Use the specification table and gallery to verify the power source, cooling method and visible accessories.
- For fuel, heat or live-steam products, confirm that you have the required operating experience, ventilation and safety equipment.
- For RC installation, measure the available envelope and verify the drivetrain, mounting, cooling and starting-system requirements.
Safety and Operating Guidance
This is specialist model equipment, not an unsupervised children's toy. Keep moving parts guarded from loose clothing and hair. Operate fuel or steam models only in a ventilated area on a stable, heat-resistant surface. Use eye protection, follow the supplied manual and never exceed the specified fuel, electrical or pressure requirements.
Frequently Asked Questions
Is this a real working engine?
The specification table states whether the item is a fuel engine, live-steam mechanism or powered mechanical simulation. A moving educational model should not be interpreted as a full-size propulsion engine.
Does the selected version change the price?
Where options are present, each value uses the corresponding product configuration price. Review the updated price and option label before checkout.
Are the exact accessories shown included?
Only the components described by the selected configuration are included. Lifestyle scenes and engineering diagrams explain use or structure and should not be treated as a packing list.
Who should buy this model?
It is intended for advanced inline-four collectors, RC builders and users comparing OHV and flathead miniature engines. Beginners should start with an electric simulation; fuel and live-steam products require experienced adult operation.
Engineering Reference and Related Models
CISON L4-175 OHV inline-4 engine: buyer decision summary
Quick answer: The CISON L4-175 is a 17.5cc overhead-valve inline-four gasoline engine with operating requirements distinct from flathead display or assembly kits.
When this product is the right choice
Choose it when a miniature running OHV multi-cylinder engine fits the project and support-system complexity is acceptable.
What the listing does not imply
Do not confuse it with the FL4-175 flathead version or assume ignition, starter and cooling equipment are included.
Checks to make before ordering
- Confirm exact included accessories.
- Review fuel, oil and break-in requirements.
- Plan cooling, rigid mounting and ventilation.
For alternatives, compare this product with internal combustion engine models and the broader model engine kit collection. Match the operating method, assembly level and included equipment to the intended use rather than choosing by cylinder count or appearance alone.
