Fuel Injector 16450-HN8-A61 for Honda TRX680FA SXS700 MUV700 TRX700XX 2006-2018
This fuel injector is engineered as a direct replacement for the Honda TRX680FA SXS700 MUV700 TRX700XX 2006-2018. Manufactured to meet or exceed OEM specifications, it delivers reliable performance in demanding conditions. Each unit is tested for fuel flow, pressure rating, and durability before leaving the factory to ensure consistent quality across every order.
Vehicle Compatibility
| Application | Details |
|---|---|
| Honda Pioneer 700 SXS700M2 2017 | See product specifications |
| Honda Pioneer 700 SXS700M2D Deluxe 2014 | 2017 |
| Honda Pioneer 700 | 4 SXS700M4 2017 |
| Honda Pioneer 700 | 4 SXS700M4D Deluxe 2008-2018 |
| Honda Rincon 680 TRX680FA 2017 | See product specifications |
| Honda Rincon 680 TRX680FA Camo 2010 | 2015 |
| Honda Rincon 680 TRX680FA 4×4 2009 | See product specifications |
| Honda Rincon 680 TRX680FGA 4×4 GPScape 2008 | See product specifications |
| Honda Rincon 680 TRX680FGA 4×4 GPScape 2007 | See product specifications |
| Honda Rincon 680 TRX680FGA 4×4 GPScape 2006 | See product specifications |
| Honda Rincon 680 TRX680FGA 4×4 GPScape 2008 | 2009 |
| Honda TRX700XX 2×4 2009 | 2013 |
Replaces OEM Part Numbers
16450-HN8-A61 • 16450HN8A61 • 2006-2018
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the injectors & nozzle may be the cause:
- Rough idle or misfire — Uneven fuel delivery from a worn injector causes the engine to shake at idle. On engines, this is often accompanied by a knocking sound under load.
- Black or white exhaust smoke — Black smoke means excess fuel; white smoke indicates incomplete combustion. Both point to injector spray pattern degradation.
- Loss of engine power — A single failing injector reduces cylinder output. Multi-cylinder engines lose noticeable power when one injector flows less than the rest.
- Increased fuel consumption — Poor atomization means the engine burns more fuel to produce the same power. Monitor your fuel burn rate as an early warning sign.
- Hard starting or no start — If the injector doesn’t deliver fuel on cranking, the cylinder won’t fire. This is especially common in cold weather with worn nozzles.
- Fuel in engine oil (dilution) — Fuel leaking past the injector seat seal contaminates the crankcase oil. If the oil level rises or smells of diesel, inspect the injectors immediately.
Replace as a Set
Replace all injectors as a set whenever possible. On engines, mixing old and new injectors creates uneven fuel delivery — the new injectors compensate for the worn ones, shortening their life. When installing, use new copper sealing washers and torque to the specification in the service manual. After installation, run the engine at idle for 5 minutes to bleed air from the fuel system, then check for leaks at each injector connection before putting the machine under load.
Frequently Asked Questions
Will this fit my Honda TRX680FA?
Yes. This part is designed to fit the Honda TRX680FA, SXS700, MUV700, TRX700XX among other models listed in the compatibility table above. Verify your specific model and engine code before ordering to ensure the correct fit.
Can I cross-reference 16450-HN8-A61 with 16450HN8A61?
Yes. Both 16450-HN8-A61 and 16450HN8A61 are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
How do I check if my engine code (SXS700, MUV700) matches?
The engine code is stamped on a metal tag attached to the engine block, usually near the timing belt cover or on the cylinder head. Compare the code you find with the list above. Engine codes are 3 to 6 characters long.
My vehicle is a 2006 model – is it covered?
The compatibility range for this part includes 2006-2018. The 2006 model year falls within this range, but verify the engine code and body type match. Mid-year production changes sometimes mean two vehicles from the same model year use different parts.
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