1978 Polaris RXL Service Manual, Page 32Get this manual
CY LI NDE HEAD VO UMES
Cyl ind er head volumes are given in cubic cen ti me ters, with cy linde head remo ved To measure the vo lume of he cylinde headrepl ace the ir in the co mbu stio zone with OW oil, then measure th volum of oil used There are severa ways to do hisOur shop uses bu rette to fi ll the co mbus io zone hrou gh ho le drilled in plasti sheet (3 8" th ick) The procedu re for do ing thi is as follows:
Plug spark plug holeA ld spark plug can be