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Part Number: 28160355 16400-004C-0000 16400-004-0000
Fitment:
The fuel injector fits for Hisun UTV ATV 450 500 550cc engine
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How to determine the fuel nozzle should be changed
Engine degradation
1. Lack of power: If you feel that the vehicle accelerates slowly and climbs arduously, the power output is not as good as before when driving at high speed.
2. The total speed is unstable: the total speed of the engine jitter, speed fluctuation, and even frequent flameout.
Abnormal fuel consumption
1. Increased fuel consumption: there is no significant change in driving habits and driving conditions, which may be caused by excessive fuel injection due to fuel nozzle leakage.
2. Abnormal exhaust emissions: pungent exhaust or unqualified exhaust detection, producing too much harmful gas.
Starting difficulty
1. Cold start problem: in cold weather, the cold start of the vehicle is difficult to start several times, which may be partially blocked by the fuel nozzle.
2. Hot start problem: After the vehicle stops for a period of time, it is difficult to start again, which may also be related to the fault of the fuel injector.
Nozzle appearance inspection
1. Carbon deposit and blockage: Remove the nozzle. If there is a lot of carbon deposit around the nozzle or the nozzle is blocked, it indicates that the nozzle needs to be cleaned or replaced.
2. Leakage: Check whether there is any trace of fuel leakage outside the fuel injector. If there is, the sealing part is damaged and needs to be replaced.
Bob B.
Reviewed in the United States on May 29, 2025
This is exactly what I needed to repair my Hisun Strike 550. It was a perfect fit and fixed my running issue. Price was very reasonable...especially considering what the OEM prices are. Can'y speak for durability/longevity since I just installed, but as of now it works great!
DANNY LEDFORD
Reviewed in the United States on April 16, 2025
order one no good out of the box
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