length YAMAHA YFM660R 2001 Manuale de Empleo (in Spanish)

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A. Spring length
A. Longueur du ressort
A. Longitud del muelle
3. The length of the spring (installed) chang-
es 1 mm per turn of the adjusting ring.
4. Tighten the locknut to the specified
torque.
CAUTION:
Always tighten the locknut against the spring
adjusting ring, then torque it to specification. Measurement “A”:
Installed length:
Minimum (hard): 245 mm
Standard: 253 mm
Maximum (soft): 260 mm
Tightening torque:
42 Nm (4.2 m·kg)

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Parking brake adjustment
Parking brake adjustment may be required if
the parking brake does not hold properly.
1. Fully loosen the parking brake cable ad-
justing bolt locknut and the adjusting bolt
on the left brake lever.
2. Loosen the adjusting bolt locknut and the
adjusting bolt on the rear brake caliper.
3. Turn the adjusting bolt on the brake lever
so that cable length “A” is 64 ~ 68 mm.
NOTE:
If the cable cannot be adjusted to specification,
consult a Yamaha dealer.
4. Tighten the adjusting bolt locknut on the
brake lever.
CAUTION:
When tightening the locknut, hold the adjust-
ing bolt with a wrench so that the adjusting
bolt does not turn together with the locknut.
1. Locknut 2. Adjusting bolt
1. Contre-écrou 2. Boulon de réglage
1. Contratuerca 2. Perno de ajuste
1. Locknut 2. Adjusting bolt
A. Cable length
1. Contre-écrou 2. Boulon de réglage
A. Longeur de câble
1. Contratuerca 2. Perno de ajuste
A. Longitud del cable

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SPECIFICATIONS
MODEL YFM660R
Dimension:
Overall length
Overall width
Overall height
Seat height
Wheel base
Ground clearance
Minimum turning radius1,830 mm
1,100 mm
1,150 mm
860 mm
1,245 mm
265 mm
3,300 mm
Basic weight:
With oil and full fuel tank 193 kg
Engine:
Type
Cylinder arrangement
Displacement
Bore× Stroke
Compression ratio
Starting system
Lubrication systemLiquid-cooled, 4-stroke, SOHC
Single cylinder, forward inclined
660 cm
3
100
× 84 mm
9.2 : 1
Electric starter
Dry sump