Kawasaki STX-15F - Manual (Page 41)

PERIODIC MAINTENANCE 2-17
Periodic Maintenance Procedures
INLET VALVE CLEARANCE ADJUSTMENT CHART
1. Measure the clearance (when engine is cold).
2. Check present shim size.
3. Match clearance in vertical column with present shim
size in horizontal column.
4. Install the shim specified where the lines intersect.
This shim will give the proper clearance.
Example
Present shim is 2.60 mm.
Measured clearance is 0.35 mm.
Replace 2.60 mm shim with 2.75 mm shim.
5. Remeasure the valve clearance and readjust if nec-
essary.