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7.3 Final Drive and Brake Systems 7 Rev. 1 07/2006 FINAL DRIVE GEAR RATIO Speed Chart Reference the speed chart to determine which upper and lower Chaincase Speed Chart Top Gear 26 25 24 24 24 23 22 21 21 Bottom Gear 39 40 44 40 41 46 46 46 47 8.424 78 78 80 78 78 80 80 80 80 Gear Ratio 1.50 1.60 1.83 1.67 1.71 2.00 2.09 2.19 2.24 Jackshaft RPM @ 1:1 Drive Clutch / Driven Clutch Ratio (Clutches spinning at the same speed.) 6000 86 81 71 77 75 64 62 59 58 6250 89 84 74 81 79 67 64 61 60 6500 93 87 76 84 82 70 67 64 62 6750 97 91 79 87 85 72 69 66 65 7000 100 94 82 90 88 75 72 69 67 7250 104 97 85 93 91 78 74 71 70 7500 107 101 88 97 94 81 77 74 72 7750 111 104 91 100 97 83 80 76 74 8000 115 107 94 103 101 86 82 78 77 8250 118 111 97 106 104 89 85 81 79 8500 122 114 100 110 107 91 87 83 82 8750 125 117 103 113 110 94 90 86 84 9000 129 121 106 116 113 97 92 88 86 9250 132 124 109 119 116 99 95 91 89 9500 136 128 112 122 119 102 98 93 91 9750 140 131 115 126 123 105 100 96 94 10000 143 134 118 129 126 107 103 98 96 |