1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 30Get this manual

1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 30

MAINTENANCEfTUNE UP Engine Spark Plugs 4Measure gap with wire gaugeRecommended spark plug gap is .024.028" (.6.7 mm) Adjust
Conversion Chart Refer to Electrical Section for ignition timing adjustment procedure and timing chartModel Ignition Timing
Degrees BTDC InchMM Tolerance 3000 RPM Inches (millimeters) 1999 SLH 1999 SLTH 1999 SLTX 1999 SLX 1999 Pro 785 18 3000 rpm
13 6250 rpm 18 3000 rpm 13 6250 rpm 18+0,-2 3000 rpm 11 +0,-2 6250 rpm 18+0,-2 3000 rpm 11 +0,-2 6250 rpm 36 3000 rpm 12
7500 rpm .081 .043 .081 .043 .081 .031 .081 .031 .318 .037 2.06 1.09 2.06 1.09 2.06 .787 2.06 .787 8.08 0.94 .065-.100" (1.65-2