Yamaha MBK X-MAX 300 2017 Service Manual page 27

Valve-stem-to-valve-guide clearance
(exhaust)
Limit
Valve stem runout
Valve spring
Free length (intake)
Limit
Free length (exhaust)
Limit
Cylinder
Bore
Wear limit
Piston
Diameter
Measuring point (from piston skirt bottom)
Piston-to-cylinder clearance
Piston pin bore inside diameter
Limit
Piston pin outside diameter
Limit
Piston-pin-to-piston-pin-bore clearance
Piston ring
Top ring
Ring type
End gap limit
Ring side clearance
Side clearance limit
2nd ring
Ring type
End gap limit
Ring side clearance
Side clearance limit
Connecting rod
Oil clearance
Code 1
Code 2
Code 3
Code 4
Crankshaft
Runout limit
Crankshaft journal diameter
Crankshaft journal bearing inside diameter
Journal oil clearance
Code 0
Code 1
Code 2
Code 3
ENGINE SPECIFICATIONS
0.025–0.052 mm (0.0010–0.0020 in)
0.100 mm (0.0039 in)
0.010 mm (0.0004 in)
35.87 mm (1.41 in)
34.07 mm (1.34 in)
35.87 mm (1.41 in)
34.07 mm (1.34 in)
70.000–70.025 mm (2.7559–2.7569 in)
70.075 mm (2.7589 in)
69.962–69.985 mm (2.7544–2.7553 in)
8.0 mm (0.31 in)
0.031–0.047 mm (0.0012–0.0019 in)
16.002–16.013 mm (0.6300–0.6304 in)
16.043 mm (0.6316 in)
15.995–16.000 mm (0.6297–0.6299 in)
15.975 mm (0.6289 in)
0.002–0.018 mm (0.0001–0.0007 in)
Barrel
0.50 mm (0.0197 in)
0.030–0.065 mm (0.0012–0.0026 in)
0.115 mm (0.0045 in)
Taper
1.15 mm (0.0453 in)
0.020–0.055 mm (0.0008–0.0022 in)
0.115 mm (0.0045 in)
0.033–0.057 mm (0.0013–0.0022 in)
Blue
Black
Brown
Green
0.030 mm (0.0012 in)
39.976–40.000 mm (1.5739–1.5748 in)
40.015–40.056 mm (1.5754–1.5770 in)
0.031–0.064 mm (0.0012–0.0025 in)
White
Blue
Black
Brown
2-4