CHAPTER 3B ENGINE 50cc/80cc
ATV SERVICE MANUAL07.0
CHAPTER 3B ENGINE PAGE 3B - 12 -
Measure length of inner and outer springs
Used limit:
Inner spring below 26.1mm change
Outer spring below 30.5mm change
Valve and valve guide
Check if valve is curved, burnt or broken.
Check if valve and valve guide is blocked.
Measure every valve stem outer diameter.
Used limit: below 4.9mm change
Remove carbon deposit from valve guide
using a reamer.
Special tools
Rotate reamer is proper direction and do not
Stop rotation to push in or pull out.
Measure inner diameter of every valve guide.
Used limit: IN: above 5.3mm change
EX: above 5.3mm change
Valve guide replacement
Operate cylinder at the temperature of about
100
℃~
115
℃
( 212
℉~
239
℉
).
Heat cylinder head quickly and evenly to
prevent warpage.
Summary of Contents for 2005 ATV 260
Page 15: ...CHAPTER 1 GENERALINFORMATION ATV SERVICE MANUAL 07 0 CHAPTER 1 GENERAL PAGE 1 11 NOTES...
Page 37: ...CHAPTER 2 MAINTENANCE ATV SERVICE MANUA 07 0 CHAPTER 2 MAINTENANCE PAGE 2 22 NOTES...
Page 106: ...CHAPTER 3A ENGINE 260 300 cc ATV SERVICE MANUAL07 0 CHAPTER 3 ENGINE PAGE 3A 69 NOTES...
Page 157: ...CHAPTER 3B ENGINE 50cc 80cc ATV SERVICE MANUAL07 0 CHAPTER 3B ENGINE PAGE 3B 51 3 8 Carburetor...
Page 177: ...CHAPTER 3B ENGINE 50cc 80cc ATV SERVICE MANUAL07 0 CHAPTER 3B ENGINE PAGE 3B 71 NOTES...
Page 213: ...CHAPTER 3C ENGINE 100 125 150 200 SERVICE MANUAL07 0 CHAPTER 3C ENGINE PAGE 3C 36 NOTES...
Page 232: ...CHAPTER 4B CHASSIS ATV SERVICE MANUAL07 0 CHAPTER 4 CHASSIS PAGE 4B 11 NOTES...
Page 261: ...CHAPTER 5 FINAL DRIVE ATV SERVICE MANUAL 07 0 CHAPTER 5 FINAL DRIVE 5 29 NOTES...
Page 276: ...CHAPTER 6 TRANSMISSION ATV SERVICE MANUAL 07 0 CHAPTER 6 TRANSMISSION PAGE 6 15 NOTES...
Page 289: ...CHAPTER 7 BRAKES ATV SERVICE MANUAL 07 0 CHAPTER 7 BRAKES PAGE 7 13 NOTES...
Page 297: ...CHAPTER 8 ELECTRICAL ATV SERVICE MANUAL 07 0 CHAPTER 8 ELECTRICAL PAGE 8 8 CIRCUIT DIAGRAM...
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Page 340: ...ATV SERVICE MANUAL 07 0 NOTES...
Page 341: ...9B 9 939397 93...