2005 YAMAHA VX110 maintenance

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Page 2 of 347

YAMAHA VX110 2005  Service Manual E
NOTICE
This manual has been prepared by Yamaha primarily for use by Yamaha dealers and their trained
mechanics when performing maintenance procedures and repairs to Yamaha equipment. It has
been wri

Page 21 of 347

YAMAHA VX110 2005  Service Manual ESPEC
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CHAPTER  2
SPECIFICATIONS
GENERAL SPECIFICATIONS  ....................................................................... 2-1
MAINTENANCE SPECIFICATIONS .......................

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YAMAHA VX110 2005  Service Manual 2-3
ESPECMAINTENANCE SPECIFICATIONS
MAINTENANCE SPECIFICATIONS
ENGINE 
Item UnitModel
VX110 Sport VX110 Deluxe
Cylinder head
Warpage limit mm (in) 0.1 (0.004)
Compression pressure
*1 kPa 
(kgf/cm2, ps

Page 25 of 347

YAMAHA VX110 2005  Service Manual 2-4
ESPECMAINTENANCE SPECIFICATIONS
Valve face width B
Intake mm (in) 1.91–2.64 (0.0752–0.1039)
Exhaust mm (in) 1.91–2.64 (0.0752–0.1039)
Valve seat width C
Intake mm (in) 0.90–1.10 (0.0354

Page 26 of 347

YAMAHA VX110 2005  Service Manual 2-5
ESPECMAINTENANCE SPECIFICATIONS
Piston pins
Outside diameter mm (in) 16.991–17.000 (0.6689–0.6693)
Wear limit mm (in) 16.986 (0.6687)
Piston ring
Top ring
Type Barrel
Dimension (B ×
 T) mm (i

Page 27 of 347

YAMAHA VX110 2005  Service Manual 2-6
ESPECMAINTENANCE SPECIFICATIONS
JET PUMP UNIT 
HULL AND HOOD 
Fuel pump
Pump type Electrical
Fuel pressure kPa 
(kgf/cm
2, psi)320–327 (3.2–3.3, 46–47)
Oil filter
Oil filter type Cartridge t

Page 28 of 347

YAMAHA VX110 2005  Service Manual 2-7
ESPECMAINTENANCE SPECIFICATIONS
ELECTRICAL
Item UnitModel
VX110 Sport VX110 Deluxe
Battery
Type Fluid
Capacity V/Ah 12/19
Specific gravity 1.28
ECM unit
(B/R – R/Y, B/W – R/Y, 
B/Y – R/Y, B/

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YAMAHA VX110 2005  Service Manual 2-8
ESPECMAINTENANCE SPECIFICATIONS
Starter motor
Type Constant mesh
Output kW 0.8
Rating Seconds 30
Brush length mm (in) 12.5 (0.49)
Wear limit mm (in) 6.5 (0.26)
Commutator undercut mm (in) 0.7 (0.0
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