BOMBARDIER ski-doo Tundra Scandic 2004 Series, Shop Manual

Page: 409 / 427

Section 10 TECHNICAL DATA
Subsection 02 (ENGINES)
10-02-2
MMR2004_144_10_02A.FM
VEHICLE MODEL SKANDIC WT/SWT/SUV 550 SKANDIC WT LC/SUV 600
ENGINE TYPE 552 593
Number of Cylinders 2
Bore mm (in) 76.00 (2.992)
Stroke mm (in) 61.0 (2.402) 65.8 (2.591)
Displacement
cm
3
(in
3
)
553.4 (33.78) 597.0 (36.43)
Maximum Power Engine Speed
➀
± 100 RPM 6950 7000
Piston Ring Type 1 st /2 nd ST/R ST
Ring End Gap
(new)
(wear limit) mm (in)
mm (in) 0.4 (.0157)
1.0 (.0394)
Ring/Piston Groove Clearance
(new)
(wear limit) mm (in)
mm (in) 0.037 (.0015)
0.2 (.0079)
0.04 (.0016)
0.2 (.0079)
Piston/Cylinder Wall Clearance
(new)
(wear limit) ± 0.016 mm (± .0006 in)
mm (in)
0.037 (.0015)
0.2 (.0079)
0.12 (.0047)
0.2 (.0079)
Connecting Rod Big End Axial Play
(new)
(wear limit) mm (in)
mm (in) 0.2 (.0079)
1.2 (.0472) 0.39 (.0154)
1.2 (.0472)
Max. Crankshaft End-Play
➁
mm (in) 0.3 (.012)
Max. Crankshaft Deflection Measured at PTO mm (in) 0.06 (.0024) 0.06 (.0024)
Magneto Generator Output W 340 290
Ignition Type CDI
Spark Plug Make and Type NGK BR9ES NGK BR9ECS
➉
Spark Plug Gap ± 0.05 mm (± .002 in) 0.45 (.018)
Ignition Timing BTDC
➂ ➆
mm (in) 2.77 (.109) 3.00 (.118)
Trigger Coil Air Gap mm (in) 0.40 – 0.60 (.016 – .024) N.A.
Trigger Coil
➃
Ω
160 – 180 190 – 300
Generating Coil
➃
Low Speed N.A. 17.5 - 42.5
High Speed
Ω
6.3 (7.7) 2.4 – 5.8
Lighting Coil
➃
Ω
0.145-0.175 0.10 – 0.40
High Tension Coil
➃
Primary
Ω
N.A. 0.3 – 0.7
Secondary k
Ω
5.1 – 6.3 8 – 16
Carburetor Type PTO/MAG 2 x VM 34-19171 2 x VM 38-19169
Main Jet PTO/MAG 190 330
Needle Jet 159 P-0 480 P-9
Pilot Jet 40
Needle Identification — Clip Position 6DH4-2 6DFHL24-3
Slide Cut-Away 2.5
Float Adjustment ± 1 mm (± .040 in) 23.9 (.941) 18.1 (.710)
Air Screw Adjustment ± 1/16 Turn 0.5 1-1/2
Idle Speed RPM ± 200 RPM 1650 1900
Gas Type/Pump Octane Number Unleaded/87
Gas/Oil Ratio Injection
Type Axial fan Liquid
Axial Fan Belt Adjustment
Deflection mm (in) 9 – 10 (.35 – .39) N.A.
Force
➄
kg (lbf) 5 (11) N.A.
Thermostat Opening Temperature °C (°F) N.A. 42 (108)
Radiator Cap Opening Pressure kPa (PSI) N.A. 100 (14.5)
EN
GI
NE
C
O
LD
N•
m (
lb
f•
ft
)
Drive Pulley Retaining Screw
➅
Exhaust Manifold Nuts or Bolts 22 (16) 23 (17)
Magneto Ring Nut 105 (77) 125 (92)
Crankcase Nuts or Screws
M6
M8 —
22 (16)
9 (6.5)
23 (17)
Crankcase/Engine Support Nuts or Screws 40 (30) 35 (26)
Cylinder Head Nuts 22 (16) 29 (21)
Crankcase/Cylinder Nuts or Screws N.A. 29 (21)
Axial Fan Shaft Nut 48 (35) N.A.