Yamaha YFM660FR Service Manual download pdf (Page 11)

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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

, 62.7 ~ 90.6 psi)

----

Oil pressure (hot) 65 kPa (0.65 kg/cm

, 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

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Yamaha YFM660FR Service Manual Page 11

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