Summit 670 - BOMBARDIER 1996 Ski-doo MX Z440 Handbook

Section 02 WHATS NEW FOR 1996
A dot (0) on right indicates changes from 1995 model.
MODEL
Ermine Tv~e
Maximum HP RPM 0
Rotary Valve
0
0
Carburetor Type
Main Jet
Needle Jet
Pilot Jet
Needle Identification
– cliD r30sition
Slide Cut-away
Float Adjustment
Air Screw Adjustment
Idle %eed
Gas Grade / Pump Octane Number
Gas / Oil Ratio
Ignition Timing BTDC @
Trigger Coil Air-Gap
Gear Ratio
Engagement Speed
Drive Pulley Calibration Screw Position
Pulley Distance
Offset
Drive Belt Adjustment
Driven Pulley Preload
Drive Chain Tension
Track Adjustment
02-4
RPM I
P / N
Opening (BTDC) /
Closing (ATDC)
mm (in)
RPM
(R + M)/ 2
mm (in)
mm
(in)
teeth I
RPM
z
x
I
mm
Deflection
(in)
kg (Ibf)
Deflection mm
(in)

SUMMIT 670

I
7600-7800
420924500
144° J 72°
224 AA -2
I
19.6 (.77)
1800-2000
Unleaded /87
Oil Iniection
1.93 (.076)
0.55-1.45
(.022 - .057)
23/44
3800-4000
See label on belt guard
(21/32)
(1 -3/8)
Dimension Y must exceed X from
1 mm (1/32 in) to 2 mm (5/64 in)
I
6.8 (15)
5.4 to 6.8 (12 to 15)
Fully tighten adjusting screw by hand then back OFF
only far enough for hair pin installation
45 to 50 (1-3/4 -2)
with a 7.3 kg (16 lb) downward pull
BTDC: Before Top Dead Center
ATDC: After Top Dead Center
670
75
2.5
2.25
16.5
35.0