2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 57Get this manual

2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 57

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ENGINE 4 Measure free length of tensioner springReplace spring if excessively worn4 Remove cylinder block plug using 14 mm hex head wrench

6 Measure I.Dof each rocker arm and compare to s