Ignition Timing Chart - Polaris IQ 2007 Service Manual

Battery and Electrical Systems

Ignition Timing Chart

Convert the ignition timing specification from degrees BTDC to
either inches or millimeters, then use a dial indicator to verify
timing marks.
ROD/STROKE (mm)
Degrees BTDC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
11.6
600 CFI / C
ARBURETED
128mm ROD
64mm STROKE
MM Inches
0.0061 0.0002
0.0244 0.0010
0.0548 0.0022
0.0974 0.0038
0.1522 0.0060
0.2190 0.0086
0.2979 0.0117
0.3889 0.0153
0.4919 0.0194
0.6068 0.0239
0.7336 0.0289
0.8723 0.0343
1.0227 0.0403
1.1849 0.0466
1.3586 0.0535
1.5439 0.0608
1.7406 0.0685
1.9487 0.0767
2.1681 0.0854
2.3986 0.0944
2.6402 0.1039
2.8927 0.1139
3.1560 0.1243
3.4300 0.1350
3.7146 0.1462
4.0096 0.1579
4.3149 0.1699
4.6303 0.1823
4.9558 0.1951
5.2911 0.2083
5.6361 0.2219
5.9907 0.2359
6.3546 0.2502
6.7278 0.2649
7.1099 0.2799
7.5010 0.2953
7.9007 0.3111
8.3089 0.3271
8.7254 0.3435
9.1501 0.3602
NOTE: Always disconnect the TPS on carbureted
engines prior to checking ignition timing.
700 CFI
128mm ROD
68mm STROKE
MM Inches
0.0066 0.0003
0.0262 0.0010
0.0590 0.0023
0.1048 0.0041
0.1637 0.0064
0.2356 0.0093
0.3205 0.0126
0.4184 0.0165
0.5291 0.0208
0.6528 0.0257
0.7892 0.0311
0.9383 0.0369
1.1001 0.0433
1.2745 0.0502
1.4614 0.0575
1.6606 0.0654
1.8722 0.0737
2.0960 0.0825
2.3319 0.0918
2.5798 0.1016
2.8395 0.1118
3.1110 0.1225
3.3941 0.1336
3.6887 0.1452
3.9946 0.1573
4.3117 0.1698
4.6399 0.1827
4.9789 0.1960
5.3287 0.2098
5.6891 0.2240
6.0598 0.2386
6.4408 0.2536
6.8318 0.2690
7.2326 0.2847
7.6431 0.3009
8.0632 0.3174
8.4925 0.3343
8.9308 0.3516
9.7381 0.3692
9.8340 0.3872
800 CFI
132mm ROD
70mm STROKE
MM Inches
0.0067 0.0003
0.0270 0.0011
0.0607 0.0024
0.1078 0.0042
0.1684 0.0066
0.2424 0.0095
0.3298 0.0130
0.4305 0.0169
0.5445 0.0214
0.6717 0.0264
0.8121 0.0320
0.9656 0.0380
1.1321 0.0446
1.3115 0.0516
1.5038 0.0592
1.7089 0.0673
1.9266 0.0758
2.1569 0.0849
2.3996 0.0945
2.6547 0.1045
2.9220 0.1150
3.2013 0.1260
3.4927 0.1375
3.7958 0.1494
4.1106 0.1618
4.4369 0.1747
4.7746 0.1880
5.1235 0.2017
5.4835 0.2159
5.8543 0.2305
6.2358 0.2455
6.6278 0.2609
7.0302 0.2768
7.4427 0.2930
7.8652 0.3097
8.2974 0.3267
8.7392 0.3441
9.1903 0.3618
9.6506 0.3799
10.1198 0.3984