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SPEC
MAINTENANCE SPECIFICATIONS
ENGINE
ELECTRICAL
Item
Standard
Limit
Oil pump:
Oil filter type
Foam
----
Oil pump type
Trochoid
----
Tip clearance “A” or “B”
0.03 ~ 0.10 mm
(0.0012 ~ 0.0039 in)
0.15 mm
(0.006 in)
Side clearance
0.03 ~ 0.10 mm
(0.0012 ~ 0.0039 in)
0.17 mm
(0.007 in)
Bypass valve setting pressure
441 ~ 637 kPa (4.41 ~
6.37 kg/cm
2
, 62.7 ~ 90.6 psi)
----
Oil pressure (hot)
65 kPa (0.65 kg/cm
2
, 9.2 psi) at
1,500 r/min
----
Pressure check location
Cylinder head
----
Item
Standard
Limit
C.D.I.:
Magneto model/manufacturer
F4T46972/MITSUBISHI
----
Pickup coil resistance/color
459 ~ 561
Ω
at 20 °C (68 °F)/
White/Red – White/Green
----
Rotor rotation direction sensing coil resis-
tance/color
0.063 ~ 0.077
Ω
at 20 °C (68 °F)/
Red – White/Blue
----
C.D.I. unit model/manufacturer
F8T38671/MITSUBISHI
----
Charging system:
Type
A.C. magneto generator
----
Model/manufacturer
F4T469/MITSUBISHI
----
Nominal output
14 V 21 A at 5,000 r/min
----
Charging coil resistance/color
0.32 ~ 0.43
Ω
at 20 °C (68 °F)/
White – White
----
MAINTENANCE SPECIFICATIONS
Summary of Contents for YFM660FR
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