1993 Yamaha Sleds:
Models Vmax-4 750 VX750T Exciter SX EX570SXT Exciter II Long Track EX570STT Exciter II LE EX570ET-R Exciter II LE EX570ET-G Viking II VK540ET Venture GT VT480GTT Venture TF VT480TFT Venture VT480T Phaser II ST PZ480STT Phaser II LE PZ480ET-R Phaser II LE PZ480ET-B Enticer ET410TRT Ovation CS340ET Bravo Long Track BR250TT Bravo Transporter BR250TST Bravo BR250T
Engine (cyl) 743 (4) 569 (2) 569 (2) 569 (2) 569 (2) 535 (2) 485(2) 485(2) 485(2) 485(2) 485(2) 485(2) 408(2) 337(2) 246 (1) 246 (1) 246 (1)
Carb Type Mikuni TM33 Mikuni TM38 Mikuni VM38 Mikuni VM38 Mikuni VM38 Mikuni B38-34 Mikuni  BM38-32x 2 Mikuni  BM38-32x 2 Mikuni  BM38-32x 2 Mikuni  BM38-32x 2 Mikuni  BM38-32x 2 Mikuni  BM38-32x 2 Teikei  Y26W-2x 2 Teikei  Y26W-2x 2 Keihn BD32-28 Keihn BD32-28 Keihn BD32-28
Main Jet 135 155 310 310 310 141.3 143.8 143.8 143.8 143.8 143.8 143.8 166 174 105 105 105
Clip Position                                  
Pilot Jet 47.5 55 42.5 42.5 42.5 90 95 95 95 95 95 95 78 76 78 78 78
Float Height (mm) 13.3+/-2 22.3+/-2 18.1+/-1 18.1+/-1 18.1+/-1 12.7+/- 1 11.5+/- 2 11.5+/- 2 11.5+/- 2 11.5+/- 2 11.5+/- 2 11.5+/- 2 31+/- 1 31+/- 1 15+/- 2 15+/- 2 15+/- 2
Fuel Screws 2    1 1/2  5/8  5/8  5/8 1 1/4 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 1 3/8 1 1/2 1 1/4 1 1/4 1 1/4
Pilot Air Jet 1.2         0.8 0.5 0.5 0.5 0.5 0.5 0.5 1 0.8 100 100 100
Idle RPM 1500 +/- 100 1500 +/- 100 1500 +/- 100 1500 +/- 100 1500 +/- 100 1200 +/- 100 1600 +/- 100 1600 +/- 100 1600 +/- 100 1600 +/- 100 1600 +/- 100 1600 +/- 100 1900 +/- 100 1800 +/- 100 1100 +/- 100 1100 +/- 100 1100 +/- 100
Drive                                  
Engagement RPM 3300 3900 3800 3800 3800 2600 3300 2900 3300 3300 3300 3300 3000 3500 3200 2900 3100
Shift RPM 8250 7750 7300 7300 7300 6700 6800 6800 6800 6800 6800 6800 6500 6600 5900 5700 5700
Belt Type                                  
Sheave Ctr to Ctr 365mm 268.5mm 268.5mm 268.5mm 268.5mm 268.5 mm 268.5 mm 268.5 mm 268.5 mm 268.5 mm 268.5 mm 268.5 mm 266 mm 268.5 mm 266 mm 266 mm 266 mm
Sheave Offset 16 mm 16 mm 16 mm 16 mm 16 mm 16 mm 13.5 mm 13.5 mm 13.5 mm 13.5 mm 13.5 mm 13.5 mm 11 mm 11 mm  11 mm 11 mm 11 mm
Clutch Weights (rivets)                                  
Roller Type                                  
Primary Spring W-P-W W-P-W Gold-Pink_gold W-Y-W W-Y-W Silver-Blue-Silver Gold-Blue-Gold Gold Gold-Blue-Gold Gold-Blue-Gold Red-Blue-Red Red-Blue-Red Yellow-Yellow Gold Gold-Pink None None
Secondary Spring Pink-White Pink Pink White White White Pink Pink Pink Pink Pink Pink Pink Red None None None
Secondary Setting  A-3 (33) A-2 (50) A-2 (50) A-2 (50) A-2 (50) 40 (C-2) A-2 (50) B-2 (60) A-2 (50) A-2 (50) C-2 (40) C-2 (40) 40 50 160 160 160
Helix Angle                                  
Gearing  22.35 17/33 17/33 18/33 18/33 17/39 19/33 17/38 19/33 17/33 17/29 17/29 17/38 12/22 10/24 12/23 13/22
Chain