PERIODIC MAINTENANCE AND ADJUSTMENT
7-21
7
EAU22762
Drive chain slackThe drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU22775
To check the drive chain slack
1. Place the motorcycle on the side- stand.TIPWhen checking and adjusting the drive
chain slack, there should be no weight
on the motorcycle.2. Shift the transmission into theneutral position.
3. Measure the drive chain slack as shown. 4. If the drive chain slack is incorrect,
adjust it as follows.
EAU40115
To a djust the drive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack. 1. Loosen the brake pedal free play adjusting nut, axle nut, and lock-
nut at each end of the swingarm.
2. To tighten the drive chain, turn thedrive chain slack adjusting nut at
each end of the swingarm in direc-
Drive chain slack:40.0–56.0 mm (1.57–2.20 in)
1. Drive chain slack
1
1. Brake pedal free play adjusting nut
2. Locknut
3. Drive chain slack adjusting nut
1. Axle nut
2. Locknut
3. Drive chain slack adjusting nut
32
1
UB5180E0.book Page 21 Monday, June 9, 2014 1:20 PM
SPECIFICATIONS
9-2
9
Spark plug(s):Manufacturer/model:
NGK/CR6HSA
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)Clutch:Clutch type:Wet, multiple-disc and centrifugal
automaticTransmission:Primary reduction ratio:
3.722 (67/18)
Final drive: Chain
Secondary reduction ratio: 2.500 (35/14)
Transmission type:
Constant mesh 4-speed
Operation: Left foot operation
Gear ratio: 1st:3.166 (38/12)
2nd: 1.941 (33/17)
3rd:
1.380 (29/21)
4th: 1.095 (23/21)Chassis:Frame type:
Backbone
Caster angle: 26.00 ° Trail:
60 mm (2.4 in)
Front tire:Type:
With tube
Size: 2.50-14 4PR
Manufacturer/model: CHEN SHIN/C-803-2
Speed rating:
120 km/h (75 mph)Rear tire:Type:With tube
Size:
3.00-12 4PR
Manufacturer/model: CHEN SHIN/C-803-2
Speed rating: 120 km/h (75 mph)Loa din g:Maximum rider weight:
60.0 kg (132 lb)Tire air pressure (measure d on col d
tires):
Front:
100 kPa (1.00 kgf/cm², 15 psi)
Rear: 100 kPa (1.00 kgf/cm², 15 psi)
Front wheel:Wheel type:Spoke wheel
Rim size: 14x1.40
Rear wheel:Wheel type:Spoke wheel
Rim size:
12x1.60Front brake:Type:
Drum brake
Operation:
Right hand operationRear brake:Type:
Drum brake
Operation:
Right foot operationFront suspension:Type:Telescopic fork
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel: 115 mm (4.5 in)Rear suspension:Type:
Swingarm
Spring/shock absorber type: Coil spring/gas-oil damper
Wheel travel: 110 mm (4.3 in)Electrical system:Ignition system:DC CDI
Charging system: AC magneto
UB5180E0.book Page 2 Monday, June 9, 2014 1:20 PM
