250cc Complete Engine ZS165FMM Zongshen

€869.90
Tax included
Restocking in progress, pre-order available

Replacement Zongshen ZS165FMM 250cc engine. Single‑cylinder 4‑stroke, air‑cooled, delivering reliable power for your bike. Electric and kick start. CDI ignition. Supplied bare, ready to install. 2‑year XtremRS warranty. For track or road‑legal builds (check local regulations).

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Product details

250cc Zongshen ZS165FMM complete engine: reliability and versatility

The 250cc ZS165FMM engine by Zongshen is designed to replace or repair your motorcycle. This air‑cooled single‑cylinder 4‑stroke unit offers an excellent balance of power, reliability and maintenance costs. It is particularly suited to roadsters, cruisers and dual‑sport bikes using a 250 cc engine. With electric and kick start, it ensures easy firing up in all conditions.

Technical specifications of the 250cc ZS165FMM engine

  • Displacement: 250 cc
  • Architecture: single‑cylinder 4‑stroke
  • Cooling: air
  • Start: electric + kick
  • Ignition: CDI
  • Weight: 31 kg
  • Color: silver
  • Warranty: 2 years (excl. wear parts)

This bare engine is supplied without peripheral accessories (carburettor, exhaust, wiring harness). It forms a solid base for a restoration or custom build. The crankcases and mounting points comply with Zongshen CB250 engine standards.

Installation and precautions

Installation of this 250cc Zongshen engine should be carried out by a professional. Check compatibility with your frame and transmission before purchasing. A careful run‑in (500 km at moderate revs) is recommended after fitting. Use 10W‑40 semi‑synthetic oil and follow the oil change intervals.

1. Is this engine road legal?
The engine alone is not homologated. Road legality of the complete vehicle depends on local regulations and the other components fitted. Check with your authorities.
2. What engine oil should I use?
We recommend 10W‑40 semi‑synthetic 4‑stroke oil. Change it every 1000‑2000 km depending on use.
3. Delivery costs and times?
Free shipping on orders over €500 (vehicles) or €150 (parts). Delivery within 5‑8 working days by appointment.
4. Warranty?
2‑year manufacturer warranty, excluding wear parts and safety equipment. Keep the invoice and service record.
5. Will this engine fit my bike?
The ZS165FMM is a standard CB250‑family engine. Check mounting point dimensions, output shaft type and rotation direction before ordering.
6. Does it come with a carburettor?
No, the engine is supplied bare. Carburettor, exhaust, wiring harness and accessories must be ordered separately.
7. How do I run in the engine?
Ride at moderate revs for the first 500 km, vary engine speed, avoid hard acceleration and constant high speed.
8. How much does the engine weigh?
The engine weighs approximately 31 kg.

Warning

This engine is a component intended for replacement or repair. It is not homologated as such. The equipped vehicle must comply with local regulations (homologation, insurance). Assembly must be performed by a professional. Purchase on XtremRS is reserved for adults. Always check the vehicle condition before and after each use.

General

  • Brand Zongshen
  • Reference AB-1600892455474
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