1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 319Get this manual
ELECTRICAL Ignition Timing Chart Fuji Engine
785 Engine125mm Rod, 68mm Stroke Degrees to Piston Position Conversion Chart BTDC
Degree BTDC
12 13 14 15 16 17 18 19 20 21 22 23 24 (mmlinch) 0.94mm 0.037"
Degree BTDC
25 26 27 28 29 30 31 32 33 34 35 36 37
(mmllnch)
4.01mm0.158"
4.33mm 0.171" 4.66mm 0.184" 5.00mm 0.197" 5.35mm 10.2115.72mm 0.225" 6.09mm .240" 6.47mm 0.255" 6.86mm .270" 7.27mm 0.286" 7.68mm 0.302" 8.10mm .319" 8.51 mm .336
1.11mm0 .044"
1.28mm 0.050" 1.47mm 0.058" 1.67mm 0.066" 1.88mm 0.074" 2.11 mm 0.083" 2.34mm 0.092" 2.59mm 0.102"
2.85mmO .112" 3.13mm0.123"
3.41 mm 0.134"