NHTSA Campaign Number: 16V661 NSS300 & NSS300A Grom 125
Manufacturer Honda
(American Honda Motor Co.)
Components FUEL SYSTEM, GASOLINE
Potential Number of Units Affected 17,643
Fuel Pump may Seize and cause Engine Stall
If the fuel pump seizes, the motorcycle will stall, increasing the risk of a crash.
Summary
Honda (American Honda Motor Co.) is recalling certain model year 2014-2015 Grom 125 motorcycles manufactured June 12, 2013, to September 8, 2015, and 2014-2015 NSS300 & NSS300A motorcycles manufactured June 18, 2013 to March 19, 2015.
The resin bracket inside the fuel pump of the affected motorcycles may swell and cause the pump impeller to seize.
Remedy
Honda will notify owners, and dealers will replace the fuel pump assembly with one that uses a metal bracket internally, free of charge.
The manufacturer has not yet provided a notification schedule.
Owners may contact Honda customer service at 1-888-234-2138.
Honda’s numbers for this recall are KC3 and KC4.
Note: This recall supersedes recall 14V-672.
Some, but not all, motorcycles that were remedied under that campaign are affected by this recall as well and need to have the fuel pump replaced again.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Check if your Honda Motorcycle or Scooter has a Recall
- QUALITY ASSURED
- Reduces: rough idle, engine surge, hesitation, and spark plus fouling
- 20 oz. bottle.
- Improves: cold start performance, and fuel stability for up to one year
Last update on 2026-06-17 / Affiliate links / Images from Amazon Product Advertising API
- DEEP FUEL SYSTEM CLEANING Helps restore lost power, smooth out rough idle, recover lost MPG, and overcome other common engine problems by cleaning the entire fuel system. Cleans fuel injectors, carburetor restrictions, and chamber areas. Add Sea Foam to your fuel tank every 3,000 miles.
- FUEL ADDITIVE FOR GAS & DIESEL: Cleans fuel residue and varnish for smoother idling and cleaner combustion in gasoline and diesel engines. Use with diesel, diesel blends, gasoline, gas-ethanol blends, and conventional in & synthetic oil.
- OIL TREATMENT FOR ENGINE CLEANING: Cleans sludge and deposits in motor oil crankcases to support lubrication and longer engine life. Helps reduce engine wear, cleans away oil restrictions, clean critical engine areas, and clean oil buildup.
- FUEL STABILIZER: It helps fuel resist evaporation, preserves ignition vapors, adds protective lubricity, and prevents the formation of gum and varnish in fuel systems. Keeps gas or diesel fresh for up to 2 years. Works great as a fuel stabilizer and gas stabilizer for stored cars, motorcycles, and generators.
- FOR ALL ENGINES & FUELS: Compatible with all gasoline and diesel fuels and blends, including E10 and E85. Add to fuel and oil in in cars, trucks, RVs, lawnmowers, snowblowers, ATVs, motorcycles, boats, and jet skis.
Last update on 2026-06-17 / Affiliate links / Images from Amazon Product Advertising API
- The world’s #1 fuel additive for both gasoline and diesel engines
- A great tune-up in a bottle – treats gasoline, diesel fuel and increases MPG
- Cleans and lubricates the fuel system, including fuel injectors, carburetor and combustion chamber
- Improves fuel economy by burning excess exhaust emissions
- Increases power and acceleration by improving fuel flow and reducing deposit buildup
Last update on 2026-06-17 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.