Ski-Doo Mach Z User Manual

Section 10 TECHNICAL DATA
Sun-Section 02 (ENGINES)
10-02-1
VEHICLE MODEL SKANDIC
WT
MX Z
440
MX Z
583
MX Z
670
SUMMIT
583
ENGINE TYPE 503 454 583 670 583 HAC
Number of Cylinders 22222
Bore mm
(in)
72.00
(2.835)
67.50
(2.657)
76.00
(2.992)
78.00
(3.071)
76.00
(2.992)
Stroke mm
(in)
61.00
(2.402)
61.00
(2.402)
64.00
(2.520)
70.00
(2.760)
64.00
(2.520)
Displacement
cm
3
(in
3
)
496.70
(30.31)
436.57
(26.6)
580.70
(35.44)
668.97
(40.82)
580.70
(35.44)
Compression Ratio (corrected) 6.20 6.60 6.10 6.0 6.10
Maximum Power Engine Speed ➀ RPM 6400 – 6600 7900 – 8100 7800 – 8000 7600 – 7800 7700 – 7900
Piston Ring Type
1
st
/ 2
nd
ST / R ST / R ST / N.A. ST / R ST / N.A.
Ring End Gap
(new)
(wear limit)
mm
(in)
mm
(in)
0.200
(.0079)
1.000
(.0394)
0.250
(.010)
1.000
(.0394)
0.250
(.0100)
1.000
(.0400)
0.250
(.0100)
1.000
(.0400)
0.250
(.001)
1.000
(.0394)
Ring / Piston Groove Clearance
(new)
(wear limit)
mm
(in)
mm
(in)
0.040
(.0016)
0.200
(.0079)
0.040
(.0016)
0.200
(.0079)
0.040
(.0016)
0.200
(.0080)
0.030
(.0012)
0.200
(.0080)
0.040
(.0016)
0.200
(.0079)
Piston / Cylinder Wall Clearance
(new)
(wear limit)
mm
(in)
mm
(in)
0.080
(.0031)
0.200
(.0079)
0.110
(.0043)
0.200
(.0079)
0.050
(.0020)
0.150
(.0060)
0.070
(.0028)
0.150
(.0060)
0.050
(.0020)
0.150
(.0059)
Connecting Rod Big End Axial Play
(new)
(wear limit)
mm
(in)
mm
(in)
0.200
(.0079)
1.000
(.0394)
0.390
(.0154)
1.200
(.0472)
0.390
(.0156)
1.200
(.0480)
0.390
(.0156)
1.200
(.0480)
0.390
(.0154)
1.200
(.0472)
Maximum Crankshaft End-play mm
(in)
0.300
(.0118)
0.300
(.0118)
0.300
(.0120)
0.300
(.0120)
0.300
(.0118)
Maximum Crankshaft Deflection mm
(in)
0.080
(.0031)
0.080
(.0031)
0.080
(.0032)
0.080
(.0032)
0.080
(.0031)
Rotary Valve Timing ➁ and P / N 420 924 XXX Opening
Closing
N.A.
146° – 65°
509
140° – 71°
502
145° – 76°
501
135° – 64°
504
Magneto Generator Output W 240 220 220 220 220
Ignition Type CDI CDI CDI CDI CDI
Spark Plug Make and Type NGK BR8ES NGK BR9ES NGK BR9ES NGK BR9ES NGK BR9ES
Spark Plug Gap mm
(in)
0.45
(.018)
0.45
(.018)
0.45
(.018)
0.45
(.018)
0.45
(.018)
Ignition Timing BTDC ➂ mm
(in)
1.66
(.065)
1.48
(.058)
1.75
(.069)
1.93
(.076)
1.75
(.069)
Generating Coil ➄ Low Speed : Ω N.A. 10-17 10 – 17 10 – 17 10 – 17
High Speed : Ω 230 – 330 N.A. N.A. N.A. N.A.
Lighting Coil ➄ Ω 0.23 – 0.28 0.20 – 0.35 0.20 – 0.35 0.20 – 0.35 0.20 – 0.35
High Tension Coil ➄ Primary Ω N.A. 0.3 – 0.7 0.3 – 0.7 0.3 – 0.7 0.3 – 0.7
Secondary kΩ 5.1 – 6.3 8 – 16 8 – 16 8 – 16 8 – 16
Carburetor Type PTO / MAG VM 32 VM 34 469 / 470 VM 40 76 / 77 VM 40 84 / 85 VM 38 319 / 320
Main Jet PTO / MAG 220 230 / 210 270 / 260 300 / 270 330 / 320
Needle Jet 159 O-0 159 P-8 224-AA2 224 AA-2 480 Q-6
Pilot Jet 25 40 45 60 75
Needle Identification
– Clip Position
6DH8-4 6FJ43-2 7ECY1-3 7EDY1-3 6BGY15-2
Slide Cut-away 3 2.5 2.5 2.5 2.5
Float Adjustment ± 1 mm
(± 0.40 in)
23.9
(.94)
23.9
(.94)
18.1
(.71)
18.1
(.71)
19.6
(.77)
Air Screw Adjustment ± 1/16 Turn 1.5 0.5 1-7/8 2.25 1.5
Idle Speed RPM RPM 1500 – 1800 1600 – 1800 1800 – 2000 1800 – 2000 1800 – 2000
Gas Type / Pump Octane number Unleaded /
87
Unleaded /
87
Unleaded /
87
Unleaded /
87
Unleaded /
87
Gas / Oil Ratio Injection Injection Injection Injection Injection
Type Axial Fan Liquid Liquid Liquid Liquid
Axial Fan Belt Adjustment Deflection mm
in
9 – 10
(.35 – .39)
N.A. N.A. N.A. N.A.
Force kg (lbf) 5 (11) N.A. N.A. N.A. N.A.
Thermostat Opening Temperature °C (°F) N.A. 42 (108) 42 (108) 42 (108) 42 (108)
Radiator Cap Opening Pressure kPa
(PSI)
N.A. 90.0 (13.0) 90.0 (13.0) 90.0 (13.0) 90.0 (13.0)
ENGINE COLD
N•m (lb•ft)
Drive Pulley Retaining Screw ÐÐÐÐÐ
Exhaust Manifold Nuts or Bolts 22 (16) 23 (17) 23 (17) 23 (17) 10 (7)
Magneto Ring Nut 105 (77) 125 (92) 125 (92) 125 (92) 125 (92)
Crankcase Nuts or Screws M6
M8
—
22 (16)
10 (7)
29 (21)
9 (6.5)
29 (21)
9 (6.5)
29 (21)
10 (7)
24 (18)
Crankcase / Engine Support Nuts or Screws 38 (28) 38 (28) 40 (29) 40 (29) 38 (28)
Cylinder Head Nuts 22 (16) 30 (22) 29 (21) 29 (21) 30 (22)
Crankcase / Cylinder Nuts or Screws N.A. 30 (22) 29 (21) 29 (21) 30 (22)
Axial Fan Shaft Nut 55 (41) N.A. N.A. N.A. N.A.

Ski-Doo Mach Z Specifications

General

Engine Displacement	899 cc
Horsepower	180 hp
Track Length	137 inches
Track Width	15 inches
Cylinders	2
Engine Stroke	2-Stroke
Cooling	Liquid
Fuel System	Electronic Fuel Injection (EFI)
Seating Capacity	1
Fuel Capacity	10.6 gallons
Brake System	Hydraulic