Brake Noise cure for XC700 and XC800
Changing XC700 to 24/39 w/74 pitch chain OR XC600 to 22/37 w/72 pitch chain to get rid of the squeal, also gearing chart.
Boivin ETS front end lowering kit
brackets on trailing arms give a 1" lower mount of lower control arm to trailing arm, lower front of sled 1", lower center of gravity, to improve handling and reduce ski lift.
SNOWMOBILE SPROCKET / CHAIN COMBINATIONS (RED=no good, N/R=Not Recommended, BLUE=can be used safely)
6.625 CD
Chaincase
XCF
Notes - - - - - - - - - - - - - - - - - - - - - -
UPPER
LOWER
Chain
Difference
SPRKT
SPRKT
CHAIN
Center
CHAIN CD -
RATIO
# Teeth
# Teeth
Pitch
Distance
CASE CD
2.56
16
41
66
6.869
0.244
2.50
16
40
66
6.978
0.353
N/R
2.44
16
39
64
6.703
0.078
2.41
17
41
66
6.786
0.161
2.35
17
40
66
6.895
0.270
N/R
2.31
16
37
64
6.918
0.293
N/R
2.29
17
39
64
6.620
-0.005
N/R
2.28
18
41
66
6.703
0.078
2.22
18
40
66
6.811
0.186
2.19
16
35
62
6.749
0.124
2.18
17
37
64
6.833
0.208
2.17
18
39
66
6.918
0.293
N/R
2.16
19
41
66
6.620
-0.005
N/R
2.11
19
40
66
6.727
0.102
2.06
17
35
62
6.663
0.038
2.06
18
37
64
6.749
0.124
2.05
19
39
66
6.833
0.208
2.05
20
41
68
6.918
0.293
N/R
2.00
20
40
66
6.643
0.018
1.95
21
41
68
6.833
0.208
1.95
20
39
66
6.749
0.124
1.95
19
37
64
6.663
0.038
1.94
18
35
64
6.957
0.332
N/R
1.90
21
40
68
6.939
0.314
N/R
1.86
22
41
68
6.749
0.124
1.86
21
39
66
6.663
0.038
1.85
20
37
66
6.957
0.332
N/R
1.84
19
35
64
6.871
0.246
N/R
1.82
22
40
68
6.853
0.228
1.78
23
41
68
6.663
0.038
1.77
22
39
68
6.957
0.332
N/R
1.76
21
37
66
6.871
0.246
N/R
1.75
20
35
64
6.785
0.160
1.74
23
40
68
6.768
0.143
1.71
24
41
70
6.957
0.332
N/R
1.70
23
39
68
6.871
0.246
N/R
1.68
22
37
66
6.785
0.160
1.67
21
35
64
6.698
0.073
1.67
24
40
68
6.682
0.057
1.64
25
41
70
6.871
0.246
N/R
1.63
24
39
68
6.785
0.160
1.61
23
37
66
6.698
0.073
1.60
25
40
70
6.974
0.349
N/R
1.59
22
35
66
6.988
0.363
N/R
1.56
25
39
68
6.698
0.073
1.52
23
35
66
6.900
0.275
N/R
SNOWMOBILE SPROCKET / CHAIN COMBINATIONS (RED=no good, N/R=Not Recommended, BLUE=can be used safely)
7.050 CD
Chaincase
97 and
later Gen II
RMK, XC
Notes - - - - - - - - - - - - - - - - - - - - - -
UPPER
LOWER
Chain
Difference
SPRKT
SPRKT
CHAIN
Center
CHAIN CD -
RATIO
# Teeth
# Teeth
PITCH
Distance
CASE CD
2.56
16
41
68
7.253
0.203
2.50
16
40
68
7.361
0.311
N/R
2.44
16
39
66
7.086
0.036
2.41
17
41
68
7.170
0.120
2.35
17
40
68
7.277
0.227
2.31
16
37
66
7.299
0.249
N/R
2.29
17
39
68
7.383
0.333
N/R
2.28
18
41
68
7.086
0.036
2.22
18
40
68
7.193
0.143
2.19
16
35
64
7.129
0.079
2.18
17
37
66
7.214
0.164
2.17
18
39
68
7.299
0.249
N/R
2.16
19
41
70
7.383
0.333
N/R
2.11
19
40
68
7.108
0.058
2.06
17
35
64
7.043
-0.007
N/R
2.06
18
37
66
7.129
0.079
2.05
19
39
68
7.214
0.164
2.05
20
41
70
7.299
0.249
N/R
2.00
20
40
70
7.404
0.354
N/R
1.95
21
41
70
7.214
0.164
1.95
20
39
68
7.129
0.079
1.95
19
37
66
7.043
-0.007
N/R
1.94
18
35
66
7.336
0.286
N/R
1.90
21
40
70
7.318
0.268
N/R
1.86
22
41
70
7.129
0.079
1.86
21
39
70
7.422
0.372
N/R
1.85
20
37
68
7.336
0.286
N/R
1.84
19
35
66
7.250
0.200
1.82
22
40
70
7.233
0.183
1.78
23
41
70
7.043
-0.007
N/R
1.77
22
39
70
7.336
0.286
N/R
1.76
21
37
68
7.250
0.200
1.75
20
35
66
7.163
0.113
1.74
23
40
70
7.147
0.097
1.71
24
41
72
7.336
0.286
N/R
1.70
23
39
70
7.250
0.200
1.68
22
37
68
7.163
0.113
1.67
21
35
66
7.076
0.026
1.67
24
40
70
7.060
0.010
1.64
25
41
72
7.250
0.200
1.63
24
39
70
7.163
0.113
1.61
23
37
68
7.076
0.026
1.60
25
40
72
7.352
0.302
N/R
1.59
22
35
68
7.365
0.315
N/R
1.56
25
39
70
7.076
0.026
1.52
23
35
68
7.277
0.227
SNOWMOBILE SPROCKET / CHAIN COMBINATIONS (RED=no good, N/R=Not Recommended, BLUE=can be used safely)
7.920 CD
Chaincase
Edge
Notes - - - - - - - - - - - - - - - - - - - - - -
UPPER
LOWER
Chain
Difference
SPRKT
SPRKT
CHAIN
Center
CHAIN CD -
RATIO
# Teeth
# Teeth
Pitch
Distance
CASE CD
2.56
16
41
72
8.018
0.098
2.50
16
40
72
8.124
0.204
2.44
16
39
72
8.229
0.309
N/R
2.41
17
41
72
7.933
0.013
2.35
17
40
72
8.039
0.119
2.31
16
37
70
8.059
0.139
2.29
17
39
72
8.144
0.224
2.28
18
41
74
8.229
0.309
N/R
2.22
18
40
72
7.954
0.034
2.19
16
35
70
8.266
0.346
N/R
2.18
17
37
70
7.973
0.053
2.17
18
39
72
8.059
0.139
2.16
19
41
74
8.144
0.224
2.11
19
40
74
8.249
0.329
N/R
2.06
17
35
70
8.180
0.260
N/R
2.06
18
37
72
8.266
0.346
N/R
2.05
19
39
72
7.973
0.053
2.05
20
41
74
8.059
0.139
2.00
20
40
74
8.163
0.243
1.95
21
41
74
7.973
0.053
1.95
20
39
74
8.266
0.346
N/R
1.95
19
37
72
8.180
0.260
N/R
1.94
18
35
70
8.093
0.173
1.90
21
40
74
8.077
0.157
1.86
22
41
76
8.266
0.346
N/R
1.86
21
39
74
8.180
0.260
N/R
1.85
20
37
72
8.093
0.173
1.84
19
35
70
8.006
0.086
1.82
22
40
74
7.990
0.070
1.78
23
41
76
8.180
0.260
1.77
22
39
74
8.093
0.173
1.76
21
37
72
8.006
0.086
1.75
20
35
70
7.918
-0.002
1.74
23
40
76
8.282
0.362
N/R
1.71
24
41
76
8.093
0.173
1.70
23
39
74
8.006
0.086
1.68
22
37
72
7.918
-0.002
1.67
21
35
72
8.207
0.287
N/R
1.67
24
40
76
8.194
0.274
N/R
1.64
25
41
76
8.006
0.086
1.63
24
39
74
7.918
-0.002
1.61
23
37
74
8.207
0.287
N/R
1.60
25
40
76
8.107
0.187
1.59
22
35
72
8.119
0.199
1.56
25
39
76
8.207
0.287
N/R
1.52
23
35
72
8.031
0.111
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