2003 Polaris ATV Trail Boss 330 Factory Service Manual, Page 210Get this manual
Engine Top End Disassembly, 3.11, 3.12, 3.13, 3.14, 3.15, 3.16, 3.17 ETC Switch Adjustment, 2.11 ETC Switch Testing, 10.7 Exhaust System, Maintenance, 2.22
Headlight Lamp Replacement, 10.17 Honing to Oversize, 3.6, 3.7
Idle Speed Adjustment, 2.11 Ignition System Testing, 10.10 Ignition Timing, 2.14
Exhaust Valve Adjustment, 2.19
Fan Control Circuit, 10.6 Fan Motor Current Draw Test, 10.6
Indicator Lamp Replacement, 10.18 Intake Valve Adjustment, 2.19