Ski-Doo TOURING E LT 1997 - Page 278

Section 09 TECHNICAL DATA
Sub-Section 02 (ENGINES)
09-02-1
VEHICLE MODEL
TUNDRA II LT TOURING E,
TOURING E LT,
SKANDIC 380,
FORMULA S
TOURING LE TOURING SLE,
SKANDIC 500,
FORMULA SL
ENGINE TYPE 277 377 443 503
Number of Cylinders
122
2
Bore mm
(in)
72.00
(2.835)
62.00
(2.441)
67.5
(2.66)
72.00
(2.835)
Stroke mm
(in)
66.00
(2.598)
61.00
(2.402)
61.00
(2.402)
61.00
(2.402)
Displacement cm
3
(in
3
)
268.70
(16.40)
368.30
(22.48)
436.6
(26.64)
496.70
(30.31)
Compression Ratio (corrected) 6.70 6.80 6.4 6.20
Maximum Power Engine Speed ➀ ± 100 RPM 6900 6900 7000 7100
Piston Ring Type 1
st
/ 2
nd
ST / R ST / R ST / R ST / R
Ring End Gap (new)
(wear limit)
mm
(in)
mm
(in)
0.2
(.008)
1.0
(.039)
0.2
(.008)
1.0
(.039)
0.2
(.008)
1.0
(.039)
0.2
(.008)
1.0
(.039)
Ring / Piston Groove Clearance (new)
(wear limit)
mm
(in)
mm
(in)
0.04
(.0016)
0.2
(.008)
0.04
(.0016)
0.2
(.008)
0.04
(.0016)
0.2
(.008)
0.04
(.0016)
0.2
(.008)
Piston / Cylinder Wall Clearance (new)
(wear limit)
mm
(in)
mm
(in)
0.070
(.0028)
0.2
(.008)
0.060
(.0024)
0.2
(.008)
0.060
(.0024)
0.2
(.008)
0.090
(.0035)
0.2
(.008)
Connecting Rod Big End Axial Play (new)
(wear limit)
mm
(in)
mm
(in)
0.20
(.0079)
1.0
(.0394)
0.20
(.0079)
1.0
(.0394)
0.20
(.0079)
1.0
(.0394)
0.2
(.0079)
1.0
(.0394)
Maximum Crankshaft End-play ➄ mm
(in)
0.3
(.0118)
0.3
(.0118)
0.3
(.0118)
0.3
(.0118)
Maximum Crankshaft Deflection mm
(in)
0.08
(.0031)
0.08
(.0031)
0.08
(.0031)
0.08
(.0031)
Rotary Valve Timing ➁ Opening
Closing
N.A. N.A. N.A. N.A.
Magneto Generator Output W 160 240 240 240
Ignition Type CDI CDI CDI CDI
Spark Plug Make and Type 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)
Ignition Timing BTDC ➂ mm
(in)
2.52
(.099)
1.68
(.066)
1.68
(.066)
1.66
(.065)
Generating Coil ➆ Low Speed : Ω 40 – 76 N.A. N.A. N.A.
High Speed : Ω N.A. 230 – 330 230 – 330 230 – 330
Lighting Coil ➆ Ω 0.05 – 0.6 0.23 – 0.28 0.23 – 0.28 0.23 – 0.28
High Tension Coil ➆ Primary Ω 0.11 – 0.21 N.A. N.A. N.A.
Secondary kΩ 4.9 – 7.5 5.1 – 6.3 5.1 – 6.3 5.1 – 6.3
Carburetor Type PTO / MAG VM 34-443 2 x VM 30-190 2 x VM 34-467 VM 34-481 / 482
Main Jet PTO / MAG 190 140 / 140 180 / 180 180 / 170
Needle Jet 159 O-8 159 P-0 159 P-1 159 P-0
Pilot Jet 40 40 40 40
Needle Identification
– Clip Position
6DH4-2 6DP9-3 6DH2-3 6DH2-3
Slide Cut-away 2.5 2.5 2.5 2.5
Float Adjustment ± 1 mm
(± 0.40 in)
23.9
(.94)
23.9
(.94)
23.9
(.94)
23.9
(.94)
Air Screw Adjustment ± 1/16 turn 1 1-1/4 1-1/4 1-7/8
Idle Speed RPM ± 200 RPM 1200 1650 1650 1650
Gas Type / Pump Octane number Unleaded /
87
Unleaded /
87
Unleaded /
87
Unleaded /
87
Gas / Oil Ratio Injection Injection Injection Injection
Type Radial Fan Axial Fan Axial Fan Axial Fan
Axial Fan Belt Adjustment Deflection mm
in
N.A.
8 – 9
(.31 – .35)
8 – 9
(.31 – .35)
9 – 10
(.35 – .39)
Force ➃ kg (lbf) N.A. 5 (11) 5 (11) 5 (11)
Thermostat Opening Temperature °C (°F) N.A. N.A. N.A. N.A.
Radiator Cap Opening Pressure kPa
(PSI)
N.A. N.A. N.A. N.A.
ENGINE COLD
N•m (lb•ft)
Drive Pulley Retaining Screw ➅ 95 (70) 95 (70) 95 (70) 95 (70)
Exhaust Manifold Nuts or Bolts 25 (18) 22 (16) 22 (16) 22 (16)
Magneto Ring Nut 90 (66) 105 (77) 105 (77) 105 (77)
Crankcase Nuts or Screws M6
M8
—
22 (16)
10 (7)
22 (16)
10 (7)
22 (16)
—
22 (16)
Crankcase / Engine Support Nuts or Screws 21 (15) 38 (28) 38 (28) 38 (28)
Cylinder Head Nuts 26 (19) 22 (16) 22 (16) 22 (16)
Crankcase / Cylinder Nuts or Screws N.A. N.A. N.A. N.A.
Axial Fan Shaft Nut N.A. 50 (37) 50 (37) 50 (37)