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GENERAL -
Specifications,
Service Data
CHAPTER 1.
GENERAL
1
-1
.
Specifications
Model
GPX338F
GPX433F
Dimensions & Weight:
Overall
length
(including the
ski)
98.8 ins.
(2,510
mm.)
98.8
ins.
(2,510
mm.)
Overall width
39 .8 ins. (1,010 mm.)
39.8 ins. (1 ,010 mm.)
Overall
height (including
the
windshield)
38.0 ins.
(965
mm.)
38.0 ins. (965 mm.)
Engine:
Type
Two-stroke five-port induction
Two-stroke five-port induction
aluminum cylinder
aluminum cylinder
No.
of
cylinders & arrangement
Parallel twin
Parallel twin
Displacement
20.62 cu.in. (338 c.c.)
26.42 cu.in. (433 c.c.)
Bore & stroke
2.362 x 2.346 ins. (60 x 59.6 mm.)
2.677 x 2.346 ins. (68 x 59 .6 mm.)
Cooling system
Natural air cooled
Natural air cooled
Lubrication system
"Autolube"
oil injection
"Autolube"
oil injection
Oil
tank capacity
2.4 qts. (2.25 lits.)
2.4 qts. (2.25 lits.)
Starting System:
Recoiled hand starter
Recoiled hand starter
Fuel System:
Fuel
Gasoline (high-octane)
Gasoline (high-octane)
Fuel tank capacity
6.0 US.gal.
(23.0
lits.)
6 .0 US.gal. (23.0 lits.)
Carburetor
Diaphragm type
Diaphragm type
MIKUNI BN38-34SH
x
2
KEIHIN CDX42-38 x 2
Ignition
and Electrical Systems:
Ignition
system
Flywheel magneto (CD I)
Flywheel magneto (CDI)
Headlight
12V.
60/
60W.
(High/
Low beams)
12V. 60/60W. (High/Low beams)
Taillight
12V.
8W.
12V.8W.
Stoplight
12V.23W.
12V.23W.
Meter
lamp
12V.
3W.
12V.
3W.
Frame
:
Fabricated aluminum and steel
Fabricated aluminum and steel
Drive
track:
Molded rubber, steel reinforced
Molded rubber, steel reinforced
with cleats
with cleats
Transmission:
V-belt automatic transmission
V-belt automatic transmission
Brake
:
Disc brake
Disc brake
1-2.
Service Data
Model
GPX338F
GPX433F
Engine:
Cylinder
head tightening
torque
Nuts:
16.6
-
19 .5 ft-Ibs.
Nuts:
16.6
-
19.5
ft-Ibs.
(2.3
-
2.7 m-kgs.)
(2
.3
-
2.7 m-kgs.)
Bolts
:
14.5
-
16.6 ft-Ibs.
Bolts:
14.5
-
16.6 ft-Ibs.
(2.0 -
2.3 m-kgs.)
(2.0
-
2.3
m-kgs.)
Piston
clearance
0.0018 - 0.0020
in.
0.0018 - 0.0020 in.
(0045 -
0.050 mm.)
(0.045
-
0.050 mm.)
Lubrication oil
Yamalube or Johnson
outboard
oil
Yamalube or Johnson outboard oil
Ignition timing
B.T.D.C. 1.6±0.1
mm.
BTD.C
.
1.6±0.1 mm.
- 1 -
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