TGB Blade 250 ATV Quad Service Repair Manual, Page 81Get this manual
Precautions in Operation General Information
y Both cylinder and piston service cannot be carried out when engine mounted on frame
Specification Unitmm
Item Cylinder ID Bend Clearance between piston rings Piston1 Piston ring Ring-end gap OD of piston (2nd) Clearance between piston and cylinder
Standard
70.995-71 ,015
71.100 0.050 0.090 0.090 0.500 0.650
TOPring
2ndring
0.015-0.050 0.015-0.050 0.150-0.300 0.300-0.450 0.200-0.700
Top ring
2ndring
Oil ring side rail
70.430-70.480 0.010-0.040 17.002-17.008 16.994-1 7.000 0.002-0.01 4
70.380 0.1 00 17.020 16.960 0.020
ID of piston pin boss1