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Measuring piston protrusion
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Measuring piston protrusion
Fig. 1
Remove cylinder heads.
Move piston to be measured to TDC.
Apply dial gauge in holder to crankcase sealing
face.
Set dial gauge to “0”.
Fig. 2
Carefully slew dial gauge holder round, lifting the
dial gauge tip as you do so.
Lower dial gauge tip on to piston crown and read
off piston protrusion.