If you know any of the missing information, please let me know so I can fill them in. email@yamaha-it.co.uk
		Model Year Bore x stroke Code IT 125 G 80 56x50 3R9 IT 125 G 80 56x50 3W1 IT 125 H 81 56x50 3W1 IT 125 J 82 56x50 3W1 IT 125 K 83 56x50 3W1 IT 125 L 84 56x50 3W1 IT 125 85 56x50 IT 125 86 56x50 IT 175 76 66x50 3R6 IT 175 D 77 66x50 1W2 IT 175 E 78 66x50 1W2 IT 175 F 79 66x50 2W6 IT 175 G 80 66x50 3R6 IT 175 H 81 66x50 5X8 ? IT 175 J 82 66x50 5X9 IT 175 K 83 66x50 IT 200 L 84 66x57 49T IT 200 N 85 66x57 IT 200 S 85 66x57 IT 200 T 86 66x57		Model Year Bore x stroke Code IT 250 E 78 70x64 1W4 IT 250 E 78 70x64 2K7 IT 250 F 79 70x64 2X7 IT 250 G 80 70x64 3R7 IT 250 G-H 3RS IT 250 H 81 70x64 3R6 IT 250 H 81 70x64 4V5 IT 250 J 82 70x64 3R6 IT 250 J 82 70x64 5L4 IT 250 K 83 68x68 29V IT 250 L 84 IT 250 MX 75-79 IT 250 N 85 IT 250 N-T 85-87 IT 400 C 76 85x70 1K7 IT 400 77 85x70 IT 400 78 85x70 IT 400 F 79 2X8 IT 465 4V6 IT 465 G 80 85x82 3R8 IT 465 H 81 85x82 IT 465 J 82 85x82 5L5 IT 490 K 83 87x82 29W IT 490 L 84 87x82