Silkolene Pro 4 Stroke | Engine Oil

Product Overview

Experience premium engine protection and performance with Fuchs Silkolene Pro 4 Fully Synthetic 4-Stroke Motorcycle Engine Oil. Developed using advanced synthetic lubricant technology and proven through collaboration with motorcycle manufacturers and professional racing teams, the Pro 4 range is engineered to deliver exceptional reliability, efficient engine operation and consistent performance under demanding riding conditions.

Featuring Silkolene's advanced XP technology, the Pro 4 range is formulated to reduce friction, improve engine efficiency and protect critical internal components. Performance benefits reported for the technology include up to 11% fuel savings, 18% lower oil consumption and 3% improved power output, helping riders benefit from efficient lubrication and reduced mechanical losses. Actual results depend on the engine, operating conditions and comparison oil.

Designed for modern air-cooled and liquid-cooled four-stroke motorcycle engines, Silkolene Pro 4 provides dependable lubrication for everyday road riding and demanding performance applications. Selected grades feature advanced synthetic ester technology, supporting excellent oil film strength, wear protection and thermal stability.

Available in five viscosity grades: 5W-40, 10W-30, 10W-40, 10W-50 and 15W-50, with 1 litre, 4 litre and selected 20 litre options. All listed grades meet API SN and JASO MA2 specifications, making them suitable for compatible motorcycles requiring these lubricant standards.

Key Features & Specifications

· Manufacturer: Fuchs Silkolene
· Product Range: Pro 4
· Product Type: 4-Stroke Motorcycle Engine Oil
· Oil Technology: Fully Synthetic
· Available Viscosities: 5W-40, 10W-30, 10W-40, 10W-50 and 15W-50
· Available Container Sizes: 1 Litre, 4 Litres and Selected 20 Litre Options
· API Specification: API SN
· JASO Specification: JASO MA2 Approved
· Engine Compatibility: Suitable Air-Cooled and Liquid-Cooled 4-Stroke Engines
· Application: Road and Performance Motorcycle Use
· Lubrication Technology: Advanced Synthetic Formulation, Including Ester Technology in Selected Grades

Available Viscosity Grades & Bottle Sizes

Silkolene Pro 4 5W-40 Fully Synthetic

Formulated using 100% synthetic ester technology to provide excellent engine protection, improved lubrication efficiency and reliable performance. Developed in partnership with motorcycle manufacturers and racing teams for demanding engine applications.

· Viscosity: SAE 5W-40
· Available Sizes: 1 Litre, 4 Litres and 20 Litres

Silkolene Pro 4 10W-30 Fully Synthetic

Developed to meet the lubrication requirements of compatible air-cooled and liquid-cooled four-stroke engines. Its fully synthetic formulation provides dependable engine protection and efficient lubrication for motorcycles specifying SAE 10W-30 oil.

· Viscosity: SAE 10W-30
· Available Sizes: 1 Litre and 4 Litres

Silkolene Pro 4 10W-40 Fully Synthetic

A versatile fully synthetic motorcycle engine oil developed for a wide range of four-stroke engines. Designed to provide reliable lubrication, wear protection and consistent performance across varying riding conditions.

· Viscosity: SAE 10W-40
· Available Sizes: 1 Litre and 4 Litres

Silkolene Pro 4 10W-50 Fully Synthetic

Featuring 100% synthetic ester technology, this performance-focused formulation provides strong engine protection and dependable lubrication for motorcycles requiring SAE 10W-50. Developed to maintain reliable performance under demanding operating conditions.

· Viscosity: SAE 10W-50
· Available Size: 1 Litre

Silkolene Pro 4 15W-50 Fully Synthetic

Designed for compatible larger-capacity four-stroke engines, particularly those operating in warmer conditions. Its fully synthetic formulation provides dependable lubrication and protection where SAE 15W-50 viscosity is specified.

· Viscosity: SAE 15W-50
· Available Sizes: 1 Litre, 4 Litres and 20 Litres

Why Choose Silkolene Pro 4 Engine Oil?

· Fully Synthetic Protection: Advanced lubricant formulations help protect critical engine components against friction and wear.
· Improved Engine Efficiency: XP technology is developed to reduce mechanical losses and support efficient engine operation.
· Enhanced Power Delivery: Reduced internal friction can contribute to improved engine responsiveness and performance.
· Thermal Stability: Formulated to maintain effective lubrication across changing engine operating temperatures.
· Wear Protection: Helps protect internal engine components during everyday riding and demanding performance applications.
· Wet Clutch Compatibility: JASO MA2 specification supports use in compatible motorcycles with oil-lubricated clutch systems.
· Race-Developed Expertise: Benefits from Silkolene's experience working alongside motorcycle manufacturers and racing teams.
· Flexible Grade Selection: Multiple viscosities and container sizes accommodate different motorcycle servicing requirements.

What's Included?

· Fuchs Silkolene Pro 4 Fully Synthetic Motorcycle Engine Oil in Your Selected Viscosity Grade and Container Size

Application Instructions and Warnings

· Always consult the motorcycle manufacturer's workshop manual before selecting an engine oil viscosity and specification.
· Ensure the selected grade meets the motorcycle manufacturer's requirements for SAE viscosity, API classification and JASO performance standards.
· Follow the recommended oil change intervals and specified engine oil capacity.
· Check the engine oil level using the manufacturer's recommended procedure and avoid overfilling.
· Do not mix incompatible lubricant types or specifications without confirming manufacturer approval.
· Store containers securely with caps tightly closed and protect from contamination.
· Dispose of used engine oil and empty containers responsibly through an appropriate recycling or waste collection facility.
· Important: Product images are for illustration purposes. The viscosity grade and container size supplied will correspond to the options selected when ordering.

UK Stock Items: Orders for items held in UK stock are normally dispatched within 24 hours.

For UK Mainland: Royal Mail: £5.50 and Courier £8.92

Supplier Items: Items sourced from suppliers are usually dispatched within 5–10 working days once they arrive with us.

Order Cut-Off: Orders placed before 2PM (Monday to Friday) are typically dispatched the same working day, subject to stock availability.

International Delivery: We ship worldwide. Most international orders arrive within 7 working days from dispatch, though delivery times can vary depending on destination and customs processing.

Courier Responsibility: Once an order has been dispatched, delivery timescales are determined by the courier. Tracking information will be provided where available.

Customer Responsibility: Customers must ensure safe receipt of their order. Additional charges may apply if repeated delivery attempts fail due to no one being available, or if incorrect delivery information has been supplied.