slide hole
2.500mm is 0.098"
2.778mm is 0.109" (7/64") is the maximum this can be drilled out
exhaust valve tolerance - .25-.30mm
intake valve - .15-.20mm
Engine Covers and Sprocket Cover (all to 9NM):
M6 x 75 quantity = 5
M6 x 50 quantity = 15
M6 x 45 quantity = 2
M6 x 40 quantity = 8
M6 x 30 quantity = 7
M6 Washer quantity = 37
Carbs:
M4 x 14 quantity = 8
M4 x 8 quantity = 8
M4 Washer quantity = 16