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Continental Z134 Engine
General Technical Data
Continental Z134 Engine Specifications
Engine Model ............... Continental Z134
Engine Type ............... 4-cycle overhead valve liquid-cooled gasoline engine
Number of Cylinder ............... 4
Displacement, cu.in (L) ............... 133.6 (2.19)
Cylinder Bore, in (mm) ............... 3.31 (84.0)
Piston Stroke, in (mm) ............... 3.88 (98.0)
Rated Engine Power, Hp (kW) ............... 39.0 (29.0)
Engine Speed, rpm ............... 2200
Maximum Torque, Nm (ft-lb) ............... 167 (123)
Torque Speed, rpm ............... 1200
Compression Ratio ............... 6.6:1
Firing Order ............... 1-3-4-2
Cooling System ............... Water cooling radiator
Ignition System ............... Spark ignition
Spark Plug Type ............... AC 85 or Champion D16
Electrical System Rating, Volts ............... 12
Charging System ............... Generator
Generator Rating, Amps ............... 10
Fuel System
Fuel System ............... Carburetor
Carburetor Model ............... Marvel Schebler
Carburetor Type ............... Float
Fuel Type ............... Unleaded gasoline
Lubrication System
Lubrication Type ............... Full pressure lubrication
Crankcase Capacity, qts (L) ............... 6.0 (5.7)
Oil Pressure at Idle (400 rpm), psi (kpa) ............... 15 (103.5)
Oil Pressure at Full Throttle (2200 rpm), psi (kpa) ............... 20-30 (138-207)
Oil Pump Gear Backlash, in (mm) ............... 0.007 (0.178)
Oil Pump Gear Side Clearance, in (mm) ............... 0.003-0.004 (0.076-0.102)
Drive Gear Backlash, in (mm) ............... 0.005-0.010 (0.127-0.254)
Ignition System
Spark Plug Type ............... AC 85 or Champion D16
Ignition Timing, deg ............... 30-34 B
Electrode Gap, in (mm) ............... 0.025 (0.63)
Breaker Gap, in (mm) ............... 0.022 (0.56)
Continental Z134 Maintenance Data
Engine Oil
Engine Oil Type ............... SAE 10W, 20W, SAE 10W-30
Oil Capacity (with Filter), qts (L) ............... 6.0 (5.7)
Oil Capacity (without Filter), qts (L) ............... 5.0 (4.7)
Carburetor Adjustments
Carburetor Model ............... Marvel Schebler
Float Setting, in (mm) ............... 0.28 (7.1)
Fuel Level, in (mm) ............... 0.47 (11.9)
Idle Mixture Screw ............... 7/8 turn
Power Jet Needle ............... 1-3/8 turns
Low Idle Speed, rpm ............... 400-500
High Idle Speed, rpm ............... 2000-2200
Service Intervals
Check Engine Oil Level ............... Every 10 hours
Check Fan Belt Tension ............... Every 50 hours
Clean and Adjust Spark Plug ............... Every 100 hours
Change Engine Oil ............... Every 100 hours
Replace Engine Oil Filter ............... Every 200 hours
Check Carburetor Adjustment ............... Every 200 hours
Check and Adjust Idle Speed ............... Every 200 hours
Replace Spark Plug ............... Every 500 hours
Clean Fuel Hose ............... Every 500 hours
Check and Adjust Valve Clearance ............... Every 500 hours
Continental Z134 Service Specifications
Cylinder Block
Cylinder Sleeves ............... Wet
Cylinder Bore Inside Diameter (Std), in (mm) ............... 3.3125 (84.138)
Cylinder Bore Inside Diameter (Max), in (mm) ............... 3.3130 (84.150)
Cylinder Bore (Max Out of Flatness), in (mm) ............... 0.002 (0.050)
Cylinder Bore (Max Taper), in (mm) ............... 0.008 (0.20)
Bearing Bore Diameter in Block, in (mm) ............... 2.4365-2.4372 (61.887-61.905)
Crankshaft Journal Diameter (Std), in (mm) ............... 2.250-2.249 (57.15-57.12)
Crankshaft Journal Diameter (Wear Limit), in (mm) ............... 2.248 (57.10)
Crankshaft End Play, in (mm) ............... 0.004-0.006 (0.102-0.152)
Crankshaft Bearing Oil Clearance, in (mm) ............... 0.0015-0.0025 (0.038-0.064)
Connecting Rod Journal Diameter (Std), in (mm) ............... 1.9375-1.9365 (49.213-49.187)
Connecting Rod Journal Diameter (Wear Limit), in (mm) ............... 1.9355 (49.162)
Connecting Rod Bushing Bore Diameter, in (mm) ............... 0.913-0.914 (23.190-23.216)
Connecting Rod Bearing Bore Diameter, in (mm) ............... 2.0615-2.0620 (52.362-52.375)
Connecting Rod Bearing Oil Clearance, in (mm) ............... 0.0003-0.0023 (0.0076-0.0584)
Connecting Rod Side Play, in (mm) ............... 0.005-0.011 (0.127-0.279)
Cylinder Head and Valves
Cylinder Head (Max Out of Flatness), in (mm) ............... 0.003 (0.08)
Valve Tappet Diameter, in (mm) ............... 0.5615-0.5620 (14.262-14.275)
Valve Tappet Bore in Block, in (mm) ............... 0.5625-0.5633 (14.288-14.308)
Valve Guide Inside Diameter (Intake), in (mm) ............... 0.3157-0.3172 (8.019-8.057)
Valve Guide Inside Diameter (Intake), in (mm) ............... 0.3157-0.3172 (8.019-8.057)
Valve Face Angle (Intake), degrees .............. 30
Valve Face Angle (Exhaust), degrees .............. 44
Valve Seat Angle (Intake), degrees .............. 30
Valve Seat Angle (Exhaust), degrees .............. 45
Valve Clearance (Intake), in (mm) ............... 0.015 (0.381)
Valve Clearance (Exhaust), in (mm) ............... 0.015 (0.381)
Valve Margin (Intake), in (mm) ............... 0.031 (0.787)
Valve Margin (Intake), in (mm) ............... 0.031 (0.787)
Valve Stem Diameter (Intake), in (mm) .............. 0.3141-0.3149 (7.978-7.998)
Valve Stem Diameter (Exhaust), in (mm) .............. 0.3124-0.3132 (7.935-7.955)
Valve Stem Clearance (Intake), in (mm) .............. 0.0008-0.0031 (0.0203-0.0787)
Valve Stem Clearance (Exhaust), in (mm) .............. 0.0025-0.0048 (0.0635-0.1220)
Valve Seat Width (Intake), in (mm) ............... 0.078 (1.98)
Valve Seat Width (Exhaust), in (mm) ............... 0.078 (1.98)
Valve Spring Free Length, in (mm) ............... 2.0625 (52.388)
Rocker Arm Shaft Diameter, in (mm) .............. 0.622-0.623 (15.799-15.824)
Rocker Arm Bushing Diameter, in (mm) .............. 0.624-0.625 (15.849-15.875)
Camshaft Bearing Journal Diameter (Front), in (mm) ............... 1.8090-1.8095 (45.949-45.961)
Camshaft Bearing Journal Diameter (Center), in (mm) ............... 1.7460-1.7465 (44.348-44.361)
Camshaft Bearing Journal Diameter (Rear), in (mm) ............... 1.6835-1.6840 (42.761-42.774)
Camshaft End Play, in (mm) ............... 0.003-0.007 (0.076-0.178)
Cam Lift (Intake), in (mm) ............... 0.212 (5.385)
Cam Lift (Exhaust), in (mm) ............... 0.212 (5.385)
Piston and Piston Rings
Piston Pin Bore Diameter, in (mm) ............... 0.8592-0.8594 (21.824-21.829)
Piston Pin Outside Diameter, in (mm) ............... 0.8591-0.8593 (21.821-21.826)
Piston Pin Bore Clearance, in (mm) ............... 0.0001-0.0003 (0.0025-0.0076)
Piston Pin to Rod Bushing Clearance, in (mm) ............... 0.0002-0.0006 (0.0050-0.0152)
Compression Ring Groove Clearance, in (mm) ............... 0.0035-0.0050 (0.089-0.127)
Oil Ring Groove Clearance, in (mm) ............... 0.0020-0.0035 (0.0051-0.089)
Compression Ring End Gap (Top), in (mm) ............... 0.010-0.020 (0.254-0.508)
Compression Ring End Gap (Second), in (mm) ............... 0.010-0.017 (0.254-0.432)
Compression Ring End Gap (Third), in (mm) ............... 0.010-0.017 (0.254-0.432)
Oil Ring End Gap, in (mm) ............... 0.010-0.018 (0.254-0.457)
Tightening Torque Specs
Cylinder Head Nuts, Nm (ft-lb) ............... 95-101 (70-75)
Connecting Rod Studs, Nm (ft-lb) ............... 47-54 (35-40)
Main Bearing Cap Screws, Nm (ft-lb) ............... 135-149 (100-110)
Camshaft Nut, Nm (ft-lb) ............... 95-108 (70-80)
Flywheel Nut, Nm (ft-lb) ............... 95-101 (70-75)
Manifold Nut, Nm (ft-lb) ............... 34-47 (25-30)
Rocker Arm Supports, Nm (ft-lb) ............... 41-47 (30-35)
Rear Oil Seal, Nm (ft-lb) ............... 11-14 (8-10)
Oil Pan, Nm (ft-lb) ............... 16-22 (12-16)
Spark Plug, Nm (ft-lb) ............... 43-51 (32-38)
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