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Honda Marine Engine 2007 And Later BF BF90DK4 LRTA Parts
BF90DK4-LRTA

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Engine Specifications for
BF90DK4-LRTA

ModelModelBF90DK4
TypeLRTA
EngineEngineBF90DK4
Engine Serial Number PrefixBBCJ
Engine Starting Serial Number1300001
Engine Ending Serial Number1399999
Valve ClearanceIN: 0.15 – 0.19 (0.006 – 0.007) EX: 0.26 – 0.30 (0.010 – 0.012)
Compression1.45 – 1.65 MPa (14.8 – 16.8 kgf/cm2, 211 – 239 psi) at 300 min-1 (rpm)
Engine Oil10W-30 FC-W
Engine Oil Capacity4.7 liter (5.0 US qt, 4.1 Imp qt) [Without oil filter replacement: 4.2 liter (4.4 US qt, 3.7 Imp qt)] [With oil filter replacement: 4.4 liter (4.6 US qt, 3.9 Imp qt)]
Oil FilterPN 15400-PLM-A01PE
Engine SpeedIdle: 750 ± 50 min-1 (rpm)
TransmissionTransmission Oil CapacityN/A
FuelFloat Level26 ~ 31 mm (1.0 – 1.2 in)
Fuel FilterPN 16911-ZY3-010
Fuel StabilizerPN 08732-0001
IgnitionSpark PlugZFR6K–9E (NGK) IZFR6K–11E (NGK)
Spark Plug Gap0.80 – 0.90 (0.031 – 0.035) 1.00 – 1.10 (0.039 – 0.043)
MiscGear OilSAE 90 HYPOID GL4
Gear Oil Capacity0.95 liters (1.00 US qt, 0.84 Imp qt)
Power Trim FluidPN 08207-TNT32
GreasePN 08734-0003

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