Specifications

SPECIFICATIONS
ALPINE 640 ER
ENGINE
No. of cylinders
Bore
Stroke
Displacement
Compression ratio (corrected)
Carburetor type
Carburetor adjustment
- air screw
main jet
idle speed
Engine head nuts (torque)
Fan
belt free-play
2
76 mm (2.992 in.)
70 mm in.)
635.1 (38.76 in.
3
)
6:1
VM
34-215
1 1/2 turn + 1/8
280 -
1500-1800 R.P.M.
20 N.m (15 ft-Ibsl
6 mm
11/4 in.)
2 x 38.1 cm (15 in.) x 353 cm
A deflection of 57 mm (2 in. _ 1/8 in.) should exist bet-
ween the inside of the track and the
the second set from the rear of the
distance edges of tracks and
link plates.
454 mL 116 oz.l
6 mm (1/4 in.l
30 mm (1 in.I
288.3 cm 13.5 in.l
90.1 cm 1/2 in.)
123.5 cm (48
1/2 in.)
Ski perpendicular to handlebar
POWER TRAIN
Track dimensions
Track tension
Track alignment
Std. gearbox ratio
Gearbox oil capacity
Gearbox chain tension
Drive belt
(minimum width)
CHASSIS
Overall length
Overall
width
Overall height
Ski alignment
Handlebar / steering
column
bolt torque
Weight
Bearing area
Ground pressure
ELECTRICAL
Lighting system (output)
Headlamp bulb
Tail/stop light
Spark plug
Spark plug gap
Advanced ignition
timing
12 140 watts
45/45
5/21 W
Bosch M 240 T1 (M4A2J
0.5 mm L020 in.I
indirect
3.62 mm (0.143 in.)
FUEL
Tank
capacity
Gasoline
Gas/oil ratio
- S.I.*
Imp.
- U.S.
22.7 liters
5 gallons
6 gallons
Regular
50/1
BRAKE
Brake type
Brake adjustment
(control lever)
Brake linings
(minimum thickness)
Disc, ;')t;;1 I-QUJLI;') UI I~
13 mm (112 in.) rni In irnurn distance from handlebar grip when
fully
5 mm in.)
*International Standard
Bombardier Limited reserves the right to make changes in design and specifications and/or to make ad-
ditions to, or improvements in its product withoutimposing any obligation upon itselfto install them on
its product previously manufactured.
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