Service Manual

Specifications
General
Item Specification
Make/Designation Mitsubishi 3G83–051TV
,
In–line slant (60
), over head camshaft
Number of Cylinders 3
Cylinder Bore 65 mm (2.559 in.)
Piston Stroke 66 mm (2.598 in.)
Total Displacement 657 cc (40.09 cu. in.)
Compression Ratio 9.8:1
Firing Order 1 – 3
– 2
Fuel Unleaded gasoline
Minimum Octane rating 87
Valve Timing
Intake Valve Opens (BTDC) 15
Closes (ABDC) 45
Exhaust Valve Opens (BBTC) 45
Closes (ATDC) 15
Coolant 50/50 Ethylene Glycol / Water
Cooling System Capacity 3.3 liter (3.5 qt.)
Engine Oil API SG or SG/CD
10 C to 40
 C (14 F to 104 F) SAE 10W–30
Crankcase Oil Capacity 2.8 liter (3 qt.) with filter
Starter Solenoid shift type
1.6 kW (12 volt)
Alternator AC type 12 volt 40A
Spark Plug Champion RN 16Y or NGK BPR 4ES
1.0 mm (.040 in.) air gap
High Idle (no load) 3600 RPM + 50 rpm
Idle Speed (no load) 1200 RPM + 100 rpm
Liquid Cooled
Gas Engine
Workman 3000/4000 Series Page 3 – 3 Liquid Cooled Gas Engine