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Honda Engines All Years GX GX670U TXF5 Parts
GX670U-TXF5

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Engine Specifications for
GX670U-TXF5

ModelModelGX670U
TypeTXF5
EngineEngineNULL
Engine Serial Number PrefixGCASK
Engine Starting Serial Number1000001
Engine Ending Serial NumberN/A
Valve ClearanceIN: 0.15 ± 0.02 mm EX: 0.20 ± 0.02 mm
Compression586 ~ 786 kPa (85 ~ 114 psi) @ 500 rpm
Engine OilSAE 10W-30 API service category SJ or later
Engine Oil CapacityWithout filter change: 1.69 qt. With filter change: 2.01 qt.
Oil FilterNULL
Engine SpeedIdle: 1,400 ± 150 rpm Maximum: 3,850 ± 150 rpm
TransmissionTransmission Oil Capacity?
FuelFloat Level15.0 mm (0.59 in.)
Fuel FilterNULL
Fuel StabilizerNULL
IgnitionSpark PlugNGK ZGR5A
Spark Plug Gap0.7 ~ 0.8 mm (0.028 ~ 0.031 in.)
MiscGear OilNULL
Gear Oil CapacityNULL
Power Trim FluidNULL
GreaseNULL

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