Section 10 TECHNICAL DATA
Subsection 02 (ENGINE)
MMR2000_136_10_02A.FM 10-02-1
VEHICLE MODEL MINI Z
ENGINE TYPE
4 Stroke
Overhead Valves
Number of Cylinders 1
Bore mm (in) 60.00 (2.362)
Stroke mm (in) 42.00 (1.654)
Displacement cm
3
(in
3
) 118.00 (7.20)
Compression Ratio (corrected) 8.5: 1
Maximum Power Engine Speed ± 100 RPM 4000
Ring End Gap
Top/Second
Oil
(wear limit)
mm (in)
0.2 - 0.4 (.008 - .016)
0.15 - 0.35 (.006 - .014)
1.0 (.04)
Ring/Piston Groove Clearance
(standard)
(wear limit)
mm (in)
mm (in)
.015 - .045 (.0006 - .0018)
.15 (.006)
Piston/Cylinder Wall Clearance
(standard)
(wear limit)
mm (in)
mm (in)
.015 - .05 (.0006 - .002)
.12 (.005)
Connecting Rod Big End Side Clearance
(standard)
(wear limit)
mm (in)
mm (in)
0.1 - 0.7 (.004 - .028)
1.1 (.043)
Ignition Type Transistorized
Spark Plug Make and Type NGK BPR6 ES
Spark Plug Gap mm (in) 0.7 - 0.8 (.028 - .031)
Ignition Timing BTDC mm (in) 25° (fixed)
Lamp Coil
0.18 - 0.23
Ignition Coil
Primary Ω 0.8 - 1.0
Secondary Ω 5.9 - 7.1
Carburetor Type
Horizontal
Butterfly Valve
Main Jet 60
Float Height Adjustment
± 1 mm
(± .040 in)
13.7 (.54)
Pilot Screw Opening ± 1/16 turn 2 Turns Out
Idle Speed RPM ± 200 RPM 1400
Gas Type/Pump Octane Number Unleaded/86
Oil SAE 5W/30
Type Radial Fan
ENGINE COLD
N•m (lb•ft)
Drive Sprocket Retaining Screw 25 (19)
Exhaust Nuts 24 (18)
Crankcase Screws M6 12 (9)
Cylinder Head Screws 24 (18)
Axial Fan/Flywheel Nut 75 (55)