Suzuki Workshop Service and Repair Manuals

Valve: Specifications

SERVICE SPECIFICATIONS 

Valve Stem Diameter:

Intake:

Standard ....................................................................................................................................................  6.965-6.980 mm (0.2742-0.2748 inch)

Exhaust 

Standard ....................................................................................................................................................  6.950-6.965 mm (0.2737-0.2742 inch)

Stem To Guide Clearance:

Intake:

Standard ......................................................................................................................................................  0.20-0.050 mm (0.0008-0.0019 inch)
Limit ..................................................................................................................................................................................  0.07 mm (0.0027 inch)

Exhaust:

Standard ....................................................................................................................................................  0.035-0.065 mm (0.0014-0.0025 inch)
Limit ..................................................................................................................................................................................  0.09 mm (0.0035 inch)

Valve Stem End Deflection Limit:

Intake .........................................................................................................................................................................................  0.14 mm (0.005 inch)
Exhaust ......................................................................................................................................................................................  0.18 mm (0.007 inch)

Valve Head Thickness:

Standard .......................................................................................................................................................................................  1.0 mm (0.039 inch)
Limit:

Intake .....................................................................................................................................................................................  0.6 mm (0.023 inch)
Exhaust ..................................................................................................................................................................................  0.7 mm (0.027 inch)

Standard Seating Width Revealed By Contact Pattern On Valve Face:

Intake .......................................................................................................................................................................  1.3-1.5 mm (0.0512-0.0590 inch)
Exhaust ....................................................................................................................................................................  1.3-1.5 mm (0.0512-0.0590 inch)