Procedure In Replacement Of Primary And Secondary Pulley, Or In Replacement Of Primary Pulley, Secondary Pulley And VARIATOR Chain

WARNING: This page is about a different variant/trim than selected.

Calculate the following formula.

Calculation formula:

T (mm) = B - A + Lp - Ls - 31.079

[T (in) = B - A + Lp - Ls - 1.224]

T: Pulley alignment

A: Specified primary pulley dimension

B: Specified secondary pulley dimension

Lp: Depth from the ST upper face to the primary pulley bearing catch surface

Ls: Depth from the ST upper face to the secondary pulley bearing catch surface 31.079 mm (1.224 in): Constant

Pulley alignment T mm (in)	Thickness of primary pulley shim mm (in)
-0.034 - 0.049 (-0.001 - 0.002)	No shims
0.050 - 0.149 (0.002 - 0.006)	0.1 (0.004)
0.150 - 0.249 (0.006 - 0.010)	0.2 (0.008)
0.250 - 0.349 (0.010 - 0.014)	0.3 (0.012)
0.350 - 0.449 (0.014 - 0.018)	0.4 (0.016)
0.450 - 0.549 (0.018 - 0.022)	0.5 (0.020)
0.550 - 0.649 (0.022 - 0.026)	0.6 (0.024)
0.650 - 0.749 (0.026 - 0.029)	0.7 (0.028)
0.750 - 0.849 (0.029 - 0.033)	0.8 (0.031)
0.850 - 0.949 (0.033 - 0.037)	0.9 (0.035)
0.950 - 1.049 (0.037 - 0.041)	1.0 (0.039)
1.050 - 1.149 (0.041 - 0.045)	1.1 (0.043)
1.150 - 1.191 (0.045 - 0.047)	1.2 (0.047)

Select one to two primary pulley shims so that the total thickness meets the value obtained from step 3.