MYY & MZZ Transmission-25 Block Ring & Clutch Hub Required Tool: Feeler Gauge Service Standard: MYY 4.30 - 4.70mm (1st, 2nd, 3rd & Reverse) MZZ 3.30 - 3.70mm (1st, 2nd, 3rd & Reverse) 4.30 - 4.70mm (4th, 5th & 6th) 6th Clutch Hub Snap Ring Selection Select the thickest one of the three thickness. Thickness (Identification Color) 1.7mm (MYY: White / MZZ: Light Blue) 1.8mm (MYY: Colorless / MZZ: Orange) 1.9mm (MYY: Blue / MZZ: Purple) Counter-Shaft Bearing Snap Ring Selection Select the thickest one of the three thickness. Thickness (Identification Color) 1.9mm (MYY: Blue / MZZ: Colorless) 2.1mm (MYY: Yellow / MZZ: Yellow) 2.3mm (MYY: Pink / MZZ:
Pink) Counter-Shaft Shim Selection Measure the depth between the rearmost surface of the transmission housing and the outer wheel surface of the counter-shaft bearing. Take three measurements at 120 degree intervals, and calculate the average.
MYY Measured Value (Applicable Shim) MZZ Measured Value (Applicable Shim) 3.34 - 3.40mm (3.19mm) 2.13 - 2.19mm (1.98mm) 3.28 - 3.34mm (3.13mm) 2.07 - 2.13mm (1.92mm) 3.22 - 3.28mm (3.07mm) 2.01 - 2.07mm (1.86mm) 3.16 - 3.22mm (3.01mm) 1.95 - 2.01mm (1.80mm) 3.10 - 3.16mm (2.95mm) 1.89 - 1.95mm (1.74mm) 3.04 - 3.10mm (2.89mm) 1.83 - 1.89mm (1.68mm) 2.98 - 3.04mm (2.83mm) 1.77 - 1.83mm (1.62mm) 2.92 - 2,98mm (2.77mm) 1.71 - 1.77mm (1.56mm) 2.86 - 2.92mm (2.71mm) 1.65 - 1.71mm (1.50mm) 2.80 - 2.86mm (2.65mm) 1.59 - 1.65mm (1.44mm) 2.74 - 2.80mm (2.59mm) 1.53 - 1.59mm (1.38mm) 2.68 - 2.74mm (2.53mm) 1.47 - 1.53mm (1.32mm) 2.62 - 2.68mm (2.47mm) 1.41 - 1.47mm (1.26mm) 2.56 - 2.62mm (2.41mm) 1.35 - 1.41mm (1.20mm) 2.50 - 2.56mm (2.35mm) 2.44 - 2.50mm (2.29mm) 2.38 - 2.44mm (2.23mm) 2.32 - 2.38mm (2.17mm) 2.26 - 2.32mm (2.11mm)