17T CB250 250cc Engine Crankshaft Timing Sprocket Gear PIT PRO TRAIL DIRT BIKE thumpstar DIAMETER OF BORE approx 66

DIAMETER OF BORE approx 66

The new 6 speed transmission with shorter more precise ratios will have you timing the gear changes with lightning precision

Brand New Ignitionn Coil Spark Plug Lead YAMAHA PW50 PY50 PEEWEE 50 PIT DIRT BIKE

SKU:Q007__LTL

7cm (77mm) Diameter of Centre Hole approx 2

17T CB250 250cc Engine Crankshaft Timing Sprocket Gear PIT PRO TRAIL DIRT BIKE thumpstar DIAMETER OF BORE approx 66SKU: C1163__LTM Brand New 17T CB250 250cc Air Cooled Water Cooled Engine Crankshaft Timing Sprocket Gear PIT PRO TRAIL DIRT BIKE INNER DIAMETER OF CRANK SHAFT HOLE (MIDDLE HOLE) approx 21. 70mm OUTSIDE DIAMETER OF SPROCKET approx 29. 90mm 32. 50mm TEETH AND CHAIN TO FIT 17T 3X4 CHAIN