2003 Polaris Universal ATV Owners Manual - Page 112

2003 Polaris Universal ATV Manual

Page 112 highlights

MAINTENANCE AND LUBRICATION Adjustments Carburetor 4-Cycle Engines If the engine idle speed is not satisfactory, and all other conditions are favorable, the carburetor can be adjusted. 1. Warm up the engine by running the vehicle for approximately five minutes. 2. Place the transmission in gear with the parking brake applied. 1 3. Adjust the carburetor idle screw (1) either in or out until the desired idle RPM is reached. Turning the screw in (clockwise) will raise RPM. Turning the screw out (counterclockwise) will lower RPM. Throttle Cable Freeplay Throttle cable freeplay is adjusted at the handlebar. 1. Slide the boots (1) off the inline cable adjuster sleeve (2). Loosen the adjuster locknut (3). 2. Turn the adjuster until 1/16″ to 1/8″ freeplay is achieved at the thumb lever. NOTE: While adjusting freeplay, be sure to flip the throttle lever back and forth. 3. Tighten the locknut and slide the boots over the cable adjuster until they touch at the midpoint of the adjuster. 1 2 3 1 110

  • 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
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153

110
MAINTENANCEANDLUBRICATION
Adjustments
Carburetor
4-CycleEngines
Iftheengineidlespeedisnotsatisfactory,
andallotherconditionsarefavorable,the
carburetorcanbeadjusted.
1. Warmuptheenginebyrunningthe
vehicleforapproximatelyfive
minutes.
2. Placethetransmissioningearwith
theparkingbrakeapplied.
3. Adjustthecarburetoridlescrew(1)
eitherinoroutuntilthedesiredidle
RPMisreached. Turningthescrew
in(clockwise)willraiseRPM.
Turningthescrewout(counterclockwise)willlowerRPM.
ThrottleCableFreeplay
Throttlecablefreeplayisadjustedatthehandlebar.
1. Slidetheboots(1)offtheinlinecableadjustersleeve(2). Loosen
theadjusterlocknut(3).
2. Turntheadjusteruntil1/16
to1/8
freeplayisachievedatthe
thumblever.
NOTE:
Whileadjustingfreeplay,besuretoflipthe
throttleleverbackandforth.
3. Tightenthelocknutandslidethebootsoverthecableadjusteruntil
theytouchatthemidpointoftheadjuster.
1
1
2
1
3