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Model
1V8
1V9
1FO (551), 1F1
1F2 (543)
Transmission:
Type
Constant mesh, 3-speed
+ - -
---
Constant mesh, 4-speed
Gear ratio 1st (Teeth}(Ratio)
39/12 (3.250)
----
69/18 (3.833)
39/12 (3.250)
2nd
29/16 (1.813)
---
59/28 (2.107)
34/17 (2.000)
3rd
24/20 (1.200)
~
---
30/21 (1.428)
4th
---
---
---
27/24 (1.125)
Sub transmission
~
~
1st
---
--
-
39/12 (3.250)
---
2nd
- - -
---
35/16 (2.188)
---
Transmisson gear oil quantity
and type
700 cm (Total)
--
--
«-----
650 cm (Change)
--
---
--
SAE 10W/30 "SE" motor oil
+ - -
----
~
Secondary reduction ratio and
method
34/13 (2.615), Chain
--
33/14 (2.357)
28/14 (2.000), Chain
32/14 (2.286)
*
France
Kickstarter
Oil seal type
SD0-15-26-6
~
~
--
Intake:
Air cleaner - Type/quantity
Oiled foam rubber/ 1 pcs.
--
--
+ - -
Reed valve
Bending limit
0.3mm
~
-
~
Valve lift
7 ± 0.3 mm
-<----
+---
4----
Carburetor:
Type and manufacturer
VM10SC, MIKUNI
---
VM14SC, MIKUNI
<E--
l.D. mark
IV800
<E--
55100
43902
Main jet (M.J.)
#10
---
#90
#100
Air jet (A.J.)
2.5
---
---
+--
Jet rieedle-clip position (J.N.)
3G9-4
<E--
303-2
3G9-3
Needle jet (N.J.)
E-4
<E--
E-2
+----
Cutaway IC.A.)
3.0
..,..____
2.0
1.5
Pilot jet (P.J.)
#15
---
--
#
12.5
Air screw (turns out)(A.S.)
1-1/2
+--
+--
---
Starter jet (G.S.)
#25
<E--
----
~
Float level
22.0± 1 mm
~
22.5 ± 1 mm
---
Idling engine speed
1,350 ± 100 rpm
- --
+--
-
Lubrication:
Autolube pump -Color code
Gray
-
---
--
- Minimum stroke
0.15
~
0.20 mm
--
<E--
..,..____
-Maximum stroke
0.70
~
0.85 mm
-
-
0.87
~
1.02 mm
Throttle position (Adjusting mark)
At
idle(~)
----
<E--
--
Oil tank capacity
1.3 lit.
----
-
--
Oil grade
SAE 10W/30 "SE" 2-stroke
--
---
+--
engine oil
-
"l'---
..:,.---
-91 -
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