Stop Smoke 325ml

Product code: WYN50865

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£8.49

£7.08 ex. VAT

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Wynns Stop Smoke 325ml

Part Number: WYN50865

Wynns Stop Smoke is a specialized oil treatment formulated to reduce excessive exhaust smoke and oil consumption in gasoline and diesel engines. This effective 325ml solution uses advanced polymers and viscosity stabilizers to seal worn valve guides, piston rings, and cylinder walls, reducing oil burning and the resulting blue-gray exhaust smoke. It also helps maintain oil pressure in worn engines while providing enhanced lubrication to critical components, extending engine life and improving performance.

Product Characteristics

• Reduces blue-gray exhaust smoke effectively.
• Lowers oil consumption through worn engine components.
• Stabilizes oil viscosity across all operating temperatures.
• Helps restore compression in worn cylinders.
• Improves sealing of worn valve guides and piston rings.
• Maintains proper oil pressure in high-mileage engines.
• Reduces engine noise caused by wear and poor lubrication.
• Provides enhanced protection to critical engine parts.
• Compatible with all mineral, semi-synthetic, and synthetic oils.
• Cost-effective way to extend engine life without major repairs.

Storage & Shelf Life: Store in a cool, dry place in tightly closed original packaging. Protect from frost and direct sunlight. Shelf life 5 years from production date.

How to Use

• Add the entire 325ml bottle to the engine oil at normal operating temperature.
• One bottle treats 4–6 liters of engine oil.
• Drive normally to allow the treatment to circulate through the oil system.
• Results may begin to appear within 100–200 miles, with full effect in 300–500 miles.
• For high-mileage engines: apply at every oil change.
• For severe smoke issues: a second treatment may be applied at the next oil change.

 

Stop Smoke is especially useful for older, high-mileage engines suffering from blue-gray exhaust smoke due to worn valve seals, guides, or piston rings. It offers a cost-effective alternative to major repairs and helps extend engine service life. Not effective for white smoke (coolant-related) or black smoke (fuel-related) issues. For best results in high-mileage vehicles, use Wynns Engine Flush before the next oil change to complement Stop Smoke treatment.