Yamaha XT225-C - Piston Pin Bore (in the Piston)

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SPEC
Piston pin bore (in the piston)
Diameter 16.002 ~ 16.013 mm (0.6300 ~ 0.6304 in) 16.043 mm
(0.6316 in)
Offset 0.5 mm (0.0197 in) ----
Offset direction Intake side ----
Piston pin
Outside diameter 15.991 ~ 16.000 mm (0.6296 ~ 0.6299 in) 15.971 mm
(0.6288 in)
Piston-pin-to-piston-pin-bore clear-
ance
0.002 ~ 0.022 mm
(0.000079 ~ 0.000866 in)
0.072 mm
(0.0028 in)
Piston rings
Top ring
Ring type Barrel ----
Dimensions (B
×
T) 1.2
×
2.8 mm (0.05
×
0.11 in) ----
End gap (installed) 0.15 ~ 0.30 mm (0.006 ~ 0.011 in) 0.55 mm
(0.02 in)
Ring side clearance 0.03 ~ 0.07 mm (0.0012 ~ 0.0028 in) 0.12 mm
(0.0047 in)
2nd ring
Ring type Taper ----
Dimensions (B
×
T) 1.2
×
2.8 mm (0.05
×
0.11 in) ----
End gap (installed) 0.15 ~ 0.30 mm (0.006 ~ 0.011 in) 0.65 mm
(0.025 in)
Ring side clearance 0.02 ~ 0.06 mm (0.0008 ~ 0.0024 in) 0.12 mm
(0.0047 in)
Oil ring
Dimensions (B
×
T) 2.5
×
2.8 mm (0.10
×
0.11 in) ----
End gap (installed) 0.3 ~ 0.9 mm (0.01 ~ 0.04 in) ----
Clutch
Clutch type Wet, multiple disc ----
Clutch release method Inner push, cam push ----
Operation Left-hand operation ----
Friction plates
Thickness 2.9 ~ 3.1 mm (0.11 ~ 0.12 in) 2.8 mm
(0.110 in)
Plate quantity 6 ----
Item Standard Limit
T
B
B
T
B
T
ENGINE SPECIFICATIONS