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We offer flat $9.95 shipping on ALL parts orders. (Complete Engines, Lower Units, Sterndrives, and Oversize items excluded). In addition, orders over $89 have reduced cost express shipping available at checkout.

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Honda Power Carrier All Years HP HP400 BA Parts
HP400-BA

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Engine Specifications for
HP400-BA

ModelModelHP400
TypeBA
EngineEngineGXV120
Engine Serial Number PrefixNAA
Engine Starting Serial Number2000001
Engine Ending Serial Number2299999
Valve ClearanceIN: 0.15 ± 0.02 mm EX: 0.20 ± 0.02 mm
CompressionDecompressor disengaged: 114 ~ 170 psi
Engine OilSAE 10W-40 API service category SE or SF
Engine Oil Capacity0.6 qt.
Oil FilterNULL
Engine SpeedLO: 2,000 ± 100 rpm HI: 3,600 ± 100 rpm
TransmissionTransmission Oil Capacity2.1 qt.
FuelFloat Level12.2 ~ 15.2 mm (0.48 ~ 0.60 in.)
Fuel FilterNULL
Fuel StabilizerNULL
IgnitionSpark PlugNGK BP4ES NGK BPR4ES
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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