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Honda GCV-530 Engine
General Technical Data
Honda GCV530 Engine Specifications
Engine Model ................ Honda GCV530
Engine Type ................ 4-cycle overhead camshaft V-twin gasoline engine
Number of Cylinders ................ 2
Displacement, cu.in (cc) ................ 32.3 (530)
Engine Bore, in (mm) ................ 3.03 (77.0)
Engine Stroke, in (mm) ................ 2.26 (57.0)
Rated Engine Power, hp (kW) ................ 16.0 (11.9)
Rated Engine Speed, rpm ................ 3600
Maximum Torque, Nm (ft-lbs) ................ 36.5 (26.9)
Torque Speed, rpm ................ 2500
Compression Ratio ................ 8.0:1
Valve Arrangement ................ OHC
PTO Shaft Rotation ................ Counterclockwise (from PTO side)
Lubrication System ................ Forced
Air Cleaner ................ Dual element
Cooling System ................ Forced air
Ignition System ................ Transistorized magneto
Stopping System ................ Primary circuit ground
Starting System ................ Recoil or electric starter
Fuel System
Fuel System Type ................ Carburetor
Carburetor Type ................ Horizontal, two barrels butterfly valve
Governor Type ................ Centrifugal
Fuel Consumption, lb/Hph (g/kWh) ................ 0.51 (313)
Fuel Type ................ Gasoline (86 or higher)
Dimensions and Weight
Length, in (mm) ................ 18.1 (459)
Width, in (mm) ................ 16.8 (427)
Height, in (mm) ................ 13.0 (331)
Net Weight, lbs (kg) ................ 67.2 (30.5)
Operating Weight, lbs (kg) ................ 69.4 (31.5)
Honda GCV530 Maintenance Data
Cylinder Block and Valves
Cylinder Bore Inside Diameter (Maximum), in (mm) ................ 3.038 (77.170)
Cylinder Compression, psi (kPa) ................ 85-114 (600-800)
Cylinder Head (Max. Out of Flatness), in (mm) ................ 0.004 (0.10)
Intake Valve Clearance, in (mm) ................ 0.004 (0.10)
Exhaust Valve Clearance, in (mm) ................ 0.006 (0.15)
Engine Oil and Filters
Engine Oil Type (Summer) ................ SAE 10W-30, 15W-30
Engine Oil Type (Winter) ................ SAE 5W-30
API Service Classifications ................ SE or higher
Oil Capacity (with Filter), qts (L) ................ 1.37 (1.30)
Oil Filter Part Number ................ 15400-PFB-004
Air Filter Part Number ................ 17211-Z0A-013
Fuel Filter Part Number ................ 16910-ZV4-015
Carburetor Adjustment
Main Jet (No.1/2) ................ #87.5 / #90
Pilot Jet (No.1/2) ................ #37.5 / #37.5
Idle Fuel (No.1/2) ................ 1-5/8 turns out / 1-11/16 turns out
Float Height, in (mm) ................ 0.73 (18.5)
Low Idle Speed, rpm ................ 1400±150
High Idle Speed, rpm ................ 3300±150
Ignition System
Spark Plug Type ................ NGK BPR5ES or Denso W16EPR-U
Spark Plug Gap, in (mm) ................ 0.028-0.032 (0.70-0.80)
Module Air Gap, in (mm) ................ 0.008-0.024 (0.20-0.60)
Ignition Timing, deg ................ 20 BTDC
Spark Plug Torque, Nm (ft-lbs) ................ 20 (14)
Service Intervals
Service Air Filter Element ................ Every 50 hours
Change Engine Oil ................ Every 100 hours
Replace Engine Oil Filter ................ Every 100 hours
Check and Adjust Spark Plug ................ Every 100 hours
Replace Air Filter Element ................ Every 200 hours
Replace Fuel Filter Element ................ Every 200 hours
Check Carburetor Adjustment ................ Every 200 hours
Check and Adjust Valve Clearance ................ Every 200 hours
Replace Spark Plug ................ Every 200 hours
Honda GCV530 Service Data
Cylinder Block
Cylinder Bore Inside Diameter (Std), in (mm) ................ 3.0314-3.0320 (77.000-77.015)
Cylinder Bore Inside Diameter (Wear Limit), in (mm) ................ 3.038 (77.170)
Connecting Rod Small End Inside Diameter (Std), in (mm) ................ 0.7089 (18.005)
Connecting Rod Small End Inside Diameter (Wear Limit), in (mm) ................ 0.711 (18.07)
Connecting Rod Big End Inside Diameter (Std), in (mm) ................ 1.3789 (35.025)
Connecting Rod Big End Inside Diameter (Wear Limit), in (mm) ................ 1.381 (35.07)
Connecting Rod Big End Oil Clearance, in (mm) ................ 0.0016-0.0026 (0.040-0.066)
Crankshaft Main Journal Outside Diameter (PTO Side), in (mm) ................ 1.1021 (34.993)
Crankshaft Main Journal Outside Diameter (Flywheel Side), in (mm) ................ 0.9997 (34.393)
Crank Pin Outside Diameter (Std), in (mm) ................ 1.3774 (32.985)
Crank Pin Outside Diameter (Wear Limit), in (mm) ................ 1.3750 (32.92)
Cylinder Head and Valves
Cylinder Head (Max. Out of Flatness), in (mm) ................ 0.004 (0.10)
Intake Valve Clearance, in (mm) ................ 0.004±0.002 (0.10±0.04)
Exhaust Valve Clearance, in (mm) ................ 0.006±0.002 (0.15±0.04)
Intake Valve Stem Outside Diameter (Std), in (mm) ................ 0.216 (5.48)
Intake Valve Stem Outside Diameter (Wear Limit), in (mm) ................ 0.2094 (5.318)
Exhaust Valve Stem Outside Diameter (Std), in (mm) ................ 0.214 (5.44)
Exhaust Valve Stem Outside Diameter (Wear Limit), in (mm) ................ 0.2077 (5.275)
Valve Guide Inside Diameter (Intake/Exhaust), in (mm) ................ 0.217 (5.50)
Intake Valve Guide To Stem Clearance, in (mm) ................ 0.0006-0.0017 (0.015-0.047)
Exhaust Valve Guide To Stem Clearance, in (mm) ................ 0.0024-0.0034 (0.060-0.087)
Valve Seat Width (Intake/Exhaust), in (mm) ................ 0.028 (0.70)
Valve Spring Free Length, in (mm) ................ 1.34 (34.00)
Cam Height (Std), in (mm) ................ 1.5847 (40.521)
Cam Height (Wear Limit), in (mm) ................ 1.57 (39.80)
Piston and Piston Rings
Piston Pin Bore Inside Diameter (Std), in (mm) ................ 0.7087-0.7090 (18.002-18.008)
Piston Pin Bore Inside Diameter (Wear Limit), in (mm) ................ 0.7103 (18.042)
Piston Skirt Outside Diameter, in (mm) ................ 3.0309 (76.985)
Piston to Cylinder Bore Clearance, in (mm) ................ 0.0006-0.0020 (0.015-0.050)
Piston Pin Outside Diameter (Std), in (mm) ................ 0.7084-0.7087 (17.994-18.000)
Piston Pin Outside Diameter (Wear Limit), in (mm) ................ 0.7068 (17.954)
Top Compression Ring Width, in (mm) ................ 0.0783 (1.99)
Second Compression Ring Width, in (mm) ................ 0.0783 (1.99)
Top Compression Ring to Groove Side Clearance, in (mm) ................ 0.0020-0.0031 (0.050-0.080)
Second Compression Ring to Groove Side Clearance, in (mm) ................ 0.0012-0.0024 (0.030-0.060)
Top Compression Ring End Gap, in (mm) ................ 0.008-0.016 (0.20-0.40)
Second Compression Ring End Gap, in (mm) ................ 0.008-0.016 (0.20-0.40)
Ring End Gap (Wear Limit), in (mm) ................ 0.04 (1.00)
Honda GCV530 Torque Specifications
Oil Pan Bolt (M8x1.25), Nm (ft-lb) ................ 24 (17)
Cylinder Nut (M8x1.25), Nm (ft-lb) ................ 32 (24)
Starter Solenoid Nut (M8x1.25), Nm (ft-lb) ................ 12 (9)
Oil Drain Plug Bolt (M20x1.5), Nm (ft-lb) ................ 44 (33)
Connecting Rod Bolt (M6x1.0), Nm (ft-lb) ................ 12 (9)
Flywheel Bolt (M16x1.5), Nm (ft-lb) ................ 157 (116)
Oil Filter Holder (M20x1.5), Nm (ft-lb) ................ 18 (13)
Fuel Pump Screw (M5x0.8), Nm (ft-lb) ................ 3.1 (2.2)
Ignition Coil Stud Bolt (M6x1.0), Nm (ft-lb) ................ 12 (9)
Spark Plug (M14x1.25), Nm (ft-lb) ................ 20 (14)
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