Full Synthetic 4-Stroke Motorcycle Engine Oil 5W-40 for High-Performance Bikes
Full Synthetic 4-Stroke Motorcycle Engine Oil 5W-40 for High-Performance Bikes
Full Synthetic 4-Stroke Motorcycle Engine Oil 5W-40 for High-Performance Bikes
Full synthetic 5W-40 4-stroke motorcycle engine oil for high-performance air-cooled engines, offering excellent protection, cleanliness, low smoke and smooth gear and wet clutch operation under demanding riding conditions.
Key Highlights
Full Synthetic 4-Stroke Engine Oil · 5W-40 Viscosity Grade · Designed for High-Output Air-Cooled Motorcycle Engines · Excellent Engine Protection & Cleanliness · Low Smoke Performance · Suitable for Oil-Injection & Premix Systems · Protects Gears and Wet Clutches · Compatible with SF/SG/SH/SL Transmission Requirements
Packaging & Branding Support
YEFE offers affordable and adaptable customization solutions based on the package solutions and branding presentation that distributors and brand owners can introduce lubricant products easily and in a professional manner.
We plan to offer our customization services as a way of minimizing time-to-market with no compromise in the quality of the products and supply reliability.
Packaging Size Options
To facilitate its presence in the market through various sales channels, YEFE has several sizes of its packaging. The customers have the freedom to use appropriate bottle, drum or bulk oil forms depending on the retail strategy, the scale of distribution as well as the logistics needs.
The packaging is in the form of small retail jars, medium sized containers, large drums and bulk oil supply in workshops or industrial customer use. The combination of the packaging sizes will be manipulated based on the volume of orders and positioning in the market.
Packaging Size Options
To facilitate its presence in the market through various sales channels, YEFE has several sizes of its packaging. The customers have the freedom to use appropriate bottle, drum or bulk oil forms depending on the retail strategy, the scale of distribution as well as the logistics needs.
The packaging is in the form of small retail jars, medium sized containers, large drums and bulk oil supply in workshops or industrial customer use. The combination of the packaging sizes will be manipulated based on the volume of orders and positioning in the market.
YEFE Motrax 4T FS 5W-40 provides:
- Full synthetic formulation tailored for high-output, air-cooled 4-stroke gasoline motorcycle engines requiring stable lubrication under severe operating conditions.
- Excellent protection against piston seizure, engine deposits and ring sticking, helping maintain compression and engine efficiency over time.
- Low ash formulation that reduces the risk of pre-ignition and spark plug fouling, supporting reliable combustion and consistent engine response.
- Very good cleanliness and detergent performance to keep pistons, combustion chambers and exhaust ports cleaner, contributing to longer engine life.
- Easy miscibility with gasoline to ensure a stable, homogeneous oil-fuel mixture even at low ambient temperatures in premix systems.
- Reliable protection for motorcycle transmissions where SF, SG, SH or SL engine oil is prescribed, providing smooth gear engagement and wet clutch performance.
- Stable 5W-40 viscosity profile that supports fast circulation during cold starts while maintaining a strong lubricating film at high operating temperatures.
Typical specifications and performance levels:
- SAE viscosity grade: 5W-40.
- API: SN (backwards compatible with SF/SG/SH/SL applications where appropriate).
- JASO: MA/MA2, suitable for wet clutch applications in motorcycles.
| Application Category | Recommended Use |
| Engine Type | High-output, air-cooled 4-stroke gasoline motorcycle engines requiring full synthetic 5W-40 engine oil with API SN and JASO MA/MA2 performance. |
| Primary Segment | Motorcycle engine oils for street bikes, sport bikes and other high-performance 4-stroke motorcycles operating in varied traffic and climatic conditions. |
| Usage Type | Daily commuting, city riding, weekend tours and spirited road use where riders demand strong engine protection, cleanliness and smooth power delivery. |
| Operating Conditions | All-season operation including cold starts, stop-and-go traffic, high engine speeds and elevated temperatures in air-cooled motorcycle engines. |
| Key Function | Protect against piston seizure and ring sticking, minimise deposits, reduce smoke and support smooth gear changes and stable wet clutch performance. |
| Specification Requirement | Motorcycles and transmissions specifying engine oils meeting API SN and JASO MA/MA2, and systems where SF, SG, SH or SL oils are prescribed. |
| Target Users | Motorcycle owners, workshops and fleets looking for full synthetic 5W-40 engine oil for high-performance 4-stroke bikes with shared engine/gearbox oil. |
| Available Packaging | 1L, 205L and larger bulk packaging options to support retail shelves, service workshops and bulk distribution needs (packaging can be adjusted per market). |
About YEFE | Manufacturer Behind the Product
YEFE (Shenzhen) Lubricating Oil Co., Ltd. is a professional lubricant manufacturer and global supplier based in Guangdong, China. We specialize in the formulation, blending, filling, and private label production of automotive and industrial lubricants.
With automated production lines, standardized operating procedures, and full-process quality traceability, YEFE delivers stable and consistent lubricant products to distributors, importers, and brand owners across South America, Southeast Asia, the Middle East, and Africa.
Every product is supported by laboratory testing and controlled manufacturing processes to ensure viscosity accuracy, oxidation stability, and long-term performance reliability.
Automated blending & filling production lines
Full SAE grades & API standards coverage
In-house quality testing & batch traceability
OEM / ODM support from formula to packaging
Export experience across emerging markets
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