Red Line Complete Fuel System Cleaner for Motorcycles



Red Line Complete Fuel System Cleaner for Motorcycles


  • Concentrated, high-temp detergents clean your carburetors, fuel injectors, fuel lines, tank, intake valves, combustion chambers and fouled plugs
  • Improves fuel economy, throttle response, hesitation and stalling
  • Compatible with both pump gas and race fuel, pre-mixed or injected two-strokes
  • Cleans deposits on intake valves and combustion chambers, lubricates upper cylinder
  • Reduces octane demand and regains lost power and improves fuel economy
  • Cleans emission control systems (safe for the latest catalytic converters and sensors)
  • Pour one bottle into a street bike, dirt bike, ATV, or PWC for quick clean-up
4.4 / 5.0
17 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Works Like a Dream!
Simply add the bottle to a 5 gal gas can, and fill your bike! Keeps fuel system clean and clog-free. My wife's CRF100F had chronic needle valve issues due to gasoline-wax build-up, resulting in a no-idle condition. Since adding SI-2 we have not experienced a clogged valve, even after allowing the bike to sit/non-op for extend periods of time. Now I run it my CRF250X as well, and have had the same plug in for "X" years! Recommended to us by a Factory Yamaha racer, it has been a blesssing!
October 16, 2012
Miracle juice
Bought my bike this year. 2006 with 3000 miles on it. So it has been sitting. It was sluggish with a lot of hesitation. I used this instead of taking the carbs off and cleaning them. One use and 100 miles later it runs like a dream.

PROS: Works fast, No Mess

September 6, 2013
fuel cleaner
Great for engine cleaning.
April 19, 2014

PROS: Stops Hard Starts, Cleans Your Fuel Lines, Stops Rough Idling


April 19, 2014
Simple and Effective!
After using this for a year, I decided to take a look into the fuel system (carbs, lines, filter, etc). To my amazement, everything was still clean! No residue, no carbon, nothing! I was even able to store the back for 16 months with NO OTHER additives, and after replacing the battery, it started right up!

PROS: Maintenance, Easty to use, cheap, Hassle Free

CONS: none

BEST USES: Cleaning, Storage, Maintaining Fuel System
April 28, 2014
FatBoy 2007
why use anything else
May 29, 2015
I would buy this product again and again
Good product for a motor that's been sitting for 2 years. Did that trick on my bike.
May 29, 2015
A really great product! highly recommended.
This is a great product. I use it every oil change to clean my system and it helps improve my fuel mileage on Long Road Trips.
July 10, 2015
works great!
I pour some of this into my tanks if the bikes sit for more than a month. It works great on all my bikes: KTM 450, KLX 110, PW 50, even our generator. Never have had carb problems since using.
January 13, 2016
Good stuff!
Product has really helped with smoothing out my 2004 Kawasaki 1500 Vulcan Classic after long winter layoffs. Keeps idle smooth and fuel lines and carb clean.

PROS: Keeps Carb Clean

November 4, 2015
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Product Style Item # Manufacturer Product # Availability
4OZ 952536 60102 In Stock: Ships within 24 hours