Symptoms of A Bad Fuel Injector Rough idling/irritating idle noise, engine misfiring, fuel leaks(increase fuel consumption), warp, misfire. Note fuel injectors may affect the air/fuel ratio for the engine, thus new fuel injectors require a new or updated tune. OE Number: 28160355 16400-004C-0000Fitment: For Hisun UTV ATV 450 500 550 engine, for Massimo TSC YS. For HiSUN EFI 500 & 550 UTV'S and ATV's including for massimo, for coleman, tractor supply utvs (and many more) Function Direct replacement old or broken fuel injector. With fuel sprays and high impedance coil enable fast start up in cold environments, low fuel consumption and provide better performance. Precise and strictly controlled fuel injection modes to get more efficient fuel evaporation. Fuel injectors may affect the air/fuel ratio for the engine, thus new fuel injectors require a new or updated tune. Specification: Orifice Type: 2 Holes Disc Material: Metal, Plastic Color: Black Pin Number: 2 Length: 5.5cm / 2.17"(L) Include 1x Fuel injector, 1x Mounting Bracket Features 2 Pin plugs & 2 Holes Disc, well sealed rubber O-ring with sturdy fixing bracket. To get high temperature resistance, seal fuel vapors in and keep them from leaking. high accuracy to reduce the flow deviation and ensure properly functional fuel injector. Note This is a non-OEM product, accessory only! Please kindly check again your engine volume. Recommend to check professional install video and check other component of the engine before installation.
