QJ250 XV250 Full set of Gasket
- Brand: Mortch Motor
- Product Code: MIXV250-5072
- Product Viewed: 199
- Availability: In Stock
- Weight: 0.16kg
US$3.23 17 SOLD
| Shipping To: |
QJ250 / XV250 Full Gasket Set
🔧 Engine Gaskets · Seal Kit · Top End Gasket Set
For Yamaha XV250 V-Twin 2V49FMM 4-Stroke Engine · High-quality replacement · Essential for engine overhaul
This is a full gasket set for the Yamaha XV250 V-Twin 2V49FMM 4-stroke engine. Gaskets are critical sealing components between engine parts, preventing leakage of oil, coolant, and combustion gases, and maintaining proper operating pressure and temperature.
This set includes all gaskets and seals needed for a complete engine overhaul. Manufactured from high-quality materials with excellent heat resistance, oil resistance, and compression properties, this set is the ideal replacement choice when performing engine rebuilds, cylinder head repairs, or addressing oil leaks.
✨ Core Functions: Leak prevention · Maintains compression pressure · Prevents oil leakage · Ensures proper engine operation
Engine Models:
- Yamaha XV250 V-Twin 2V49FMM (4-stroke · Air-cooled · V-Twin)
- QJ250 (QJiang / Keeway same engine)
- Other 250cc V-Twin engines based on this platform
Compatible vehicles include but are not limited to:
📌 Compatibility Note: This gasket set is specifically designed for the Yamaha XV250 V-Twin 2V49FMM engine and fits all vehicles using this engine. Please verify your engine model before purchase.
🔒 Leak Prevention
Prevents leakage of oil, fuel, coolant, and combustion gases from component mating surfaces.
⚡ Pressure Maintenance
Maintains cylinder compression pressure for proper power output.
🌡️ High Temperature Resistance
Maintains sealing performance under high temperature and pressure.
🔧 Tolerance Compensation
Fills微小 gaps and surface irregularities between components.
- Oil leaks: Visible oil seepage or leakage on engine exterior.
- Engine overhaul: All gaskets must be replaced when performing cylinder, piston, or valve work.
- Low compression: Cylinder pressure test shows low readings - may be caused by damaged head gasket.
- Coolant in oil: Milky white oil (water-cooled models).
- White smoke from exhaust: Coolant entering combustion chamber (water-cooled models).
- Gasket aging: Hardening or loss of elasticity after extended use.
If you experience these issues, replace the affected gaskets promptly to prevent more serious engine damage.
- High-quality materials: Made from oil-resistant, high-temperature resistant composite or multi-layer steel materials.
- Precise dimensions: Precision stamped to OEM specifications for perfect fit.
- Complete set: Includes all gaskets needed for engine overhaul - no need to purchase separately.
- Good compressibility: Proper compression ratio ensures effective sealing without over-compression damage.
- Cost-effective: Comparable quality to OEM at a more affordable price.
🔧 Installation Tips
1. Thoroughly clean both mating surfaces before installation, removing all old gasket material.
2. Check mating surfaces for flatness, scratches, or damage.
3. Tighten bolts to specified torque and sequence per service manual.
4. Some gaskets (like head gasket) may require light sealant application - refer to service manual.
5. After installation, start engine and check for leaks.
- Please verify that this part fits your specific vehicle model and year. Many vehicles share similar names but use different components depending on year or market region.
- We strongly recommend cross-checking with your vehicle's owner's manual or contacting us for confirmation before placing your order.
- Product images, measurements, and descriptions are for reference only. Slight variations in color or appearance may occur due to manufacturing batches or photography lighting—functional specifications remain identical to the ordered part.
- Professional installation is mandatory. Mortch Motor assumes no liability for damages, injuries, or losses resulting from improper installation, misuse, unauthorized modification, or abnormal operation.
- All listed prices EXCLUDE shipping costs, import duties, taxes, and customs clearance fees. These charges (if applicable) are determined and collected by your local customs authority and are solely the buyer's responsibility.
- In case of return due to unpaid duties/taxes or refusal to clear customs, the buyer shall bear the original shipping cost, return shipping fees, and any associated administrative charges deducted from the refund.


Thank You




