Description
Product Overview
Red Line Fuel System Cleaner 2‑Pack is engineered for high‑revving four‑stroke motorcycles, ATVs, sportbikes and V‑Twin engines. Each 8.8‑ounce bottle contains a proprietary blend that dissolves carbon buildup on intake valves, combustion chambers and upper cylinder surfaces without harming catalytic converters or oxygen sensors. The formula reduces the thinning effect of high temperatures on gear oil, helping maintain optimal lubrication. Packaged in a compact 4.88 × 3.86 × 1.73 in. box, the product weighs just 8.8 oz, making storage and handling effortless.
Usage
Designed for both street and off‑road riders, this cleaner is ideal for routine maintenance or quick clean‑up after a hard riding session. Simply pour one bottle into the fuel tank of a motorcycle, dirt bike, ATV or personal watercraft, then run the engine for a few minutes to circulate the solution. It works with standard pump gasoline as well as pre‑mixed or injected two‑stroke race fuels, providing flexibility for a wide range of fuel types. 
Why Choose Us
Red Line has been a trusted name in performance additives since 1979, delivering products that protect and enhance engine function without compromise. Our fuel system cleaner is tested on the latest catalytic converters and sensor technologies, ensuring compliance with modern emissions standards. The dual‑bottle pack offers cost‑effective coverage for multiple vehicles, and the high‑quality formulation guarantees consistent results, reducing octane demand and improving overall fuel efficiency.
Key Features
- Removes carbon deposits from intake valves and combustion chambers for restored power
- Compatible with pump gasoline, race fuel, pre‑mixed and injected two‑stroke fuels
- Reduces octane demand, improving fuel economy and lowering operating costs
- Safe for modern catalytic converters and oxygen sensors
- Formulated for high‑revving four‑stroke motocross, ATV and V‑Twin engines
FAQ
How often should I use the fuel system cleaner?
For optimal performance, apply the cleaner every 300–500 miles or at least twice a year, depending on riding conditions and fuel quality.
Can I use this product with ethanol‑blended fuels?
Yes, the formula is fully compatible with ethanol‑containing pump fuels and race blends.
Will the cleaner affect my vehicle’s warranty?
No. Red Line products are formulated to meet OEM specifications and will not void your warranty when used as directed.
Is the cleaner safe for my catalytic converter?
Absolutely. The additive is designed to clean without harming catalytic converters or oxygen sensors.
Do I need to change the oil after using the cleaner?
No oil change is required. The cleaner works within the fuel system and does not affect engine oil.







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