Triumph Rocket 3 GT 2021 - Page 76

48
Cylinder Head and Valves
Cylinder head
Flatness tolerance
0.030 mm
Valve Head Diameter
Inlet
37.9 mm
Exhaust
32.3 mm
Valve Lift
Inlet
9.15 mm
Exhaust
9.64 mm
Valve Stem Diameter
Inlet
5.475 –
5.490 mm
(standard)
5.465 mm
(service
limit)
Exhaust
5.47-
5.48 mm
(standard)
5.46 mm
(service
limit)
Valve Guide Bore Diameter
Inlet
5.500-
5.512 mm
(standard)
5.540 mm
(service
limit)
Exhaust
5.500-
5.512 mm
(standard)
5.540 mm
(service
limit)