Yamaha ttr230 Service Manual page 138

INSPECTION AND REPAIR
4. Check:
• Guide bars
Roll the bar on a flat surface
Warping => Replace.
V
WARNING
Do not try to straighten out the bars.
5. Measure:
• Warping (Driving and driven shaft)
Out of specification => Replace.
V
WARNING
Do not try to straighten out the shaft.
6. Check:
• Gear teeth
Blue color/Wear => Replace.
• Sockets
Round/broken edges => Replace.
4-44
ENGINE
Warping:
Less than 0,08 mm