2017 Yamaha Sleds: 
Models Sidewinder LTX LE, SE, DX & STX DX Sidewinder XTX, XTX SE 141 & BTX SE 153 Sidewinder XTX LE 141 Sidewinder RTX LE, SE Sidewinder BTX LE 153 Sidewinder MTX SE 162 APEX APEX X-TX 1.25, 1.75 & LE 1.75 SR Viper BTX LE 153 SR Viper LTX-DX, SE & LE  SR Viper STX-DX 137 SR Viper RTX-DX & RTX-SE SR Viper XTX-SE 141 SR Viper STX-DX 146,  SR Viper MTX-141 SR Viper MTX SE 153 SR Viper MTX SE 163 RS Vector RS Vector XTX 1.25 RS Vector XTX 1.75, LE RS Venture RS Venture TF, TF LE Phazer MTX Phazer, RTX Phazer XTX Venture MP RS Viking Professional II VK540F SRX 120
Engine (cyl) 998 (3) 998 (3) 998 (3) 998 (3) 998 (3) 998 (3) 998 (4) 998 (4) 1049 (3) 1049 (3) 1049 (3) 1049 (3) 1049 (3) 1049 (3) 1049 (3) 1049 (3) 1049 (3) 973 (3) 973 (3) 973 (3) 973 (3) 973 (3) 499 (2) 499 (2) 499 (2) 499 (2) 1049 (3) 535 (2) 123 (1)
Carburetor                                                          
Type EFI EFI EFI EFI EFI EFI Mikuni EFI 39EIDWx2 Mikuni EFI 39EIDWx2 Mikuni EFI 41 EIDW Mikuni EFI 41 EIDW Mikuni EFI 41 EIDW Mikuni EFI 41 EIDW Mikuni EFI 41 EIDW Mikuni EFI 41 EIDW Mikuni EFI 41 EIDW Mikuni EFI 41 EIDW Mikuni EFI 41 EIDW Mikuni EFI 41 EIDW Mikuni EFI 41 EIDW Mikuni EFI 41 EIDW Keihin CVK 40x3 Mikuni EFI 41 EIDW Keihin EFI 43EIDW Keihin EFI 43EIDW Keihin EFI 43EIDW Keihin EFI 43EIDW Mikuni EFI 41 EIDW TM33-79 Flat Slides Mikuni BV18-11-84Z1
Main Jet N/A N/A N/A N/A N/A N/A N/A N/A NA NA NA NA NA NA NA NA NA NA NA NA 148 NA N/A N/A N/A N/A NA NA 77.5
Clip Position N/A N/A N/A N/A N/A N/A N/A N/A NA NA NA NA NA NA NA NA NA NA NA NA NA NA N/A N/A N/A N/A NA NA NA
Pilot Jet N/A N/A N/A N/A N/A N/A N/A N/A NA NA NA NA NA NA NA NA NA NA NA NA 45 NA N/A N/A N/A N/A NA 1 37.5
Float Height (mm) N/A N/A N/A N/A N/A N/A N/A N/A NA NA NA NA NA NA NA NA NA NA NA NA 16 NA N/A N/A N/A N/A NA 14.4mm 16
Fuel Screws N/A N/A N/A N/A N/A N/A N/A N/A NA NA NA NA NA NA NA NA NA NA NA NA 2 NA N/A N/A N/A N/A NA NA 1
Pilot Air Jet N/A N/A N/A N/A N/A N/A N/A N/A NA NA NA NA NA NA NA NA NA NA NA NA 120 NA N/A N/A N/A N/A NA #65 120
Idle RPM 1450-1550 1450-1550 1450-1550 1450-1550 1450-1550 1450-1550 1500 +/- 100 1500 +/- 100 1450-1550 1450-1550 1450-1550 1450-1550 1450-1550 1450-1550 1450-1550 1450-1550 1450-1550 1450-1550 1450-1550 1450-1550 1400 +/- 100 1450-1550 1700 +/- 200 1700 +/- 200 1700 +/- 200 1700 +/- 200 1450-1550 1250-1450 1050 +/- 100
Drive                                                          
Engagement RPM 3100 3100 3100 3100 4100 4100 3400 3400 3800 3800 3800 3800 3800 3800 3900 3900 3900 3100 3100 3100 3200 2700 4300 3900 3900 3100 2700 2700 NA
Shift RPM 8750 8750 8750 8750 8750 8750 10500 10500 8750 8750 8750 8750 8750 8750 8750 8750 8750 8250 8250 8250 8500 8250 11300 11300 11300 11300 8250 6500 NA
Belt Type 8JP 8JP 8JP 8JP 8JP 8JP 8DN 8DN 8JP 8JP 8JP 8JP 8JP 8JP 8JP 8JP 8JP 8DN 8DN 8DN 8DN 8DN 8GS 8GS 8GS 8GS 8GS 8DN NA
Sheave Ctr to Ctr 262-266 mm 262-266 mm 262-266 mm 262-266 mm 262-266 mm 262-266 mm 268.5 mm 268.5 mm 262-266 mm 262-266 mm 262-266 mm 262-266 mm 262-266 mm 262-266 mm 262-266 mm 262-266 mm 262-266 mm 268.5 mm 268.5 mm 268.5 mm 268.5 mm 268.5 mm 268.5 mm 268.5 mm 268.5 mm 268.5 mm 267-270 mm 267-270 mm NA
Sheave Offset 58.1-61.1mm 58.1-61.1mm 58.1-61.1mm 58.1-61.1mm 58.1-61.1mm 58.1-61.1mm 13.5-16.5mm 13.5-16.5mm 13.5-16.5mm 13.5-16.5mm 13.5-16.5mm 13.5-16.5mm 13.5-16.5mm 13.5-16.5mm 13.5-16.5mm 13.5-16.5mm 13.5-16.5mm 13.5-16.5mm 13.5-16.5mm 13.5-16.5mm 13.5-16.5mm 13.5-16.5mm 15mm 15mm 15mm 15mm 13.5-16.5 mm 14.5-17.5 mm NA
Clutch Weights (rivets) 8LR00 / 17.2 all holes 8LR00 / 17.2 all holes 8LR00 / 17.2 all holes 8LR00 / 17.2 all holes 8KC00/ AL 10.3 outer, 17.2 ctr, 17.2 inner 8KC00/ AL 10.3 outer, 17.2 ctr, 17.2 inner 8HG00/ 13.3 w/hole outer, 17.2 ctr, 17.2 w/hole inner 8HG00/ 13.3 w/hole outer, 17.2 ctr, 17.2 w/hole inner 8GL00/ 13.3 outer & 13.9 center/inner 8GL00/ 13.3 outer & 13.9 center/inner 8GL00/ 13.3 outer & 13.9 center/inner 8GL00/ 13.3 outer & 13.9 center/inner 8GL00/ 13.3 outer & 13.9 center/inner 8GL00/ 13.3 outer & 13.9 center/inner 8BU10/empty 8BU10/empty 8BU10/empty 8FP00/ 17.2 w/hole outer & 13.3 center/inner 8FP00/ 17.2 w/hole outer & 13.3 center/inner 8FP00/ 17.2 w/hole outer & 13.3 center/inner 8es/13.9 outer & 17.2 inner 8HF00/ 17.2 w/hole ouoter, 17.2 center, 17.2 inner 8dn10/10.3 outer 8GC00/ 13.3,10.3,10.3 8GC00/ 13.3,10.3,10.3 8gc/17.2,17.2 & 17.2 8KW00/13.3mm outer, 17.2mm center & inner 8AT10/17.2 mm outer NA
Roller Type 14.5mm 14.5mm 14.5mm 14.5mm 14.5mm 14.5mm 14.5mm 14.5mm 15.6mm 15.6mm 15.6mm 15.6mm 15.6mm 15.6mm 14.5mm 14.5mm 14.5mm 14.5mm 14.5mm 14.5mm 15mm 16mm 15mm 15.6mm 15.6mm 14.5mm 15.6 14.5 NA
Primary Spring G-R-G G-R-G G-R-G G-R-G G-S-G G-S-G B-S-B B-S-B B-S-B B-S-B B-S-B B-S-B B-S-B B-S-B G-G-G G-G-G G-G-G Y-S-Y W-S-W W-S-W W-S-W B-P-B G-Y-G P-B-P P-B-P B-G-B B-Y-B G-B-G NA
Secondary Spring Yellow Yellow Yellow Yellow Yellow Yellow Pink Pink Pink Pink Pink Pink Pink Pink Pink Pink Pink Pink Pink Pink Pink White Red Red Red Blue Pink Brown NA
Secondary Setting  60 60 60 60 40 40 70 70 70 70 70 70 70 70 40 40 40 70 deg 70 deg 70 deg 60 deg 60 deg 55 deg 45 deg 45 deg 50 deg 60 deg 50 deg NA
Helix Angle 35 deg 35 deg 35 deg 35 deg 35 deg 35 deg 51/43 deg 51/43 deg 43 deg 43 deg 43 deg 43 deg 43 deg 43 deg 37 deg 37 deg 37 deg 43 deg 43 deg 43 deg 41 deg 39 deg 37 deg 39 deg 39 deg 37 deg 39 deg 37 deg NA
Gearing  21/41 21/41 24/50 21/41 24/50 21/49 24/37 23/37 21/49 24/50 24/50 24/50 21/41 24/50 21/49 21/49 21/49 24/38 23/39 24/37 22/39 20/39 17/41 18/41 19/41 18/45 20/40 18/38 NA
Chain 86L 86L 92L 86L 92L 90L 70L 68L 90L 92L 92L 92L 86L 92L 90L 90L 90L 70L 70L 70L 70L 68L 80L 80L 80L 82L 68L 70L NA