BRP ski-doo MACH Z 1000 SDI, Handbook

Page: 408 / 493

10-2
MMC2005-001_10A.FM
SECTION 10 - 2004 MX Z X 440
2004 OPTION PACKAGE COLOR 2004 MX Z X 440 RACING BLACK - YELLOW
MODEL NUMBER CDN / U.S. : 2882
ENGINE
Engine manufacturer
Engine type no.
Lubrication type
Number of cylinders Rotax
453
Premix
2
Bore
Stroke
Displacement
Cylinder Ø: (Piston to mm)
Compression ratio mm
mm
cc
mm
in
in
cu.in
.in 65.00
65.80
436.70
64.88
15.5 ± 0.5
2.559
2.591
26.649
2.554
1 st piston ring shape type
Semi-trapez
Reed valve
Reed valve part number (YES/NO) YES
420 924 810
RAVE system (YES/NO) YES
Opening engine speed
Spring part number
Spring color
Spring wire diameter
Spring free length RPM
mm
mm in
in
6500 - 7250
420 239 948
Gray
1.00
38.00
0.039
1.496
COOLING
Cooling system type
Thermostat opening temp.
Cap opening pressure
°C
kPa
°F
PSI
Liquid
42
90 107.60
13.05
ENGINE
Piston ring end gap
New, min.
New, max.
Wear limit
mm
mm
mm in
in
in 0.400
0.550
1.000 0.0157
0.0217
0.0394
Ring/piston groove clearance
New, min.
New, max.
Wear limit
mm
mm
mm in
in
in 0.040
0.080
0.200 0.0016
0.0031
0.0079
Piston/cylinder clearance
New, min.
Wear limit
mm
mm in
in 0.100
0.200 ± 0.016 0.0039
0.0079
Cylinder taper (max.)
New, max.
Wear limit
mm
mm in
in 0.050
0.100 0.0020
0.0039
Cylinder out of round (max.)
New, max.
Wear limit
mm
mm in
in 0.010
0.080 0.0004
0.0031