24646 Mercury SCREW, TRANSFER PORT COVER TO CYLINDER BLOCK (5/8")

(1) Gear for inlet camshaft:(2) Gear for exhaust camshaft:(3) Idler Gear for camshaft (in head): Inside diameter of the bearing in the gear ... 2.1308 .0019 in.(54.122 0.048 mm)Diameter of the shaft for the gear ... 2.1268 .0005 in.(54.021 0.013 mm)Clearance between the shaft and the bearing ... .0016 to .0064 in.(0.041 to 0.163 mm)(4) Idler Gear: Inside diameter of the bearing in the gear ... 3.2510 .0019 in.(82.575 0.048 mm)Diameter of the shaft for the gear ... 3.2470 .0005 in.(82.474 0.013 mm)Clearance between the shaft and the bearing ... .0016 to .0064 in.(0.041 to 0.163 mm)(5) Cluster Gear: Inside diameter of the bearing in the gear ... 1.5065 .0019 in.(38.265 0.048 mm)Diameter of the shaft for the gear ... 1.5025 .0005 in.(38.164 0.013 mm)Clearance between the shaft and the bearing ... .0016 to .0064 in.(0.041 to 0.163 mm)
LOCATION OF TIMING MARKS Timing mark (V mark) on tooth of crankshaft gear (6) must be in alignment with the timing mark (V mark) between the teeth on cluster gear (5) as shown.(6) Crankshaft Gear.(7) Idler Gear for the water pump: Inside diameter of the bearing in the gear ... 2.0022 .0012 in.(50.856 0.030 mm)Diameter of the shaft for the gear ... 1.9975 .0005 in.(50.737 0.013 mm)Clearance between the shaft and the bearing ... .0030 to .0064 in.(0.076 to 0.163 mm)(8) Drive Gear for the water pump.(9) Idler Gear for the oil pump: Inside diameter of the bearing in the gear ... 1.5015 .0019 in.(38.138 0.048 mm)Diameter of the shaft for the gear ... 1.4977 .0005 in.(38.042 0.013 mm)Clearance between the shaft and the bearing ... .0014 to .0062 in.(0.036 to 0.157 mm)(10) Drive Gear for the oil pump.Timing Gears For The Rear Of The Engine
(11) Gear for inlet camshaft:(12) Gear for exhaust camshaft:(13) Idler Gear for camshaft (in head): Inside diameter of the bearing in the gear ... 2.1308 .0019 in.(54.122 0.048 mm)Diameter of the shaft for the gear ... 2.1268 .0005 in.(54.021 0.013 mm)Clearance between the shaft and the bearing ... .0016 to .0064 in.(0.041 to 0.163 mm)(14) Drive gear for variable timing unit.(15) Idler Gear. Inside diameter of bearing in gear ... 3.2510 .0019 in.(82.575 0.048 mm)Diameter of the shaft for the gear ... 3.2470 .0005 in.(82.474 0.013 mm)Clearance between the shaft and the bearing ... .0016 to .0064 in.(0.041 to 0.163 mm)(16) Cluster Gear: Inside diameter of the bearing in the gear ... 2.5000 .0019 in.(63.500 0.048 mm)Diameter of the shaft for the gear ... 2.4961 .0005 in.(63.401 0.013 mm)Clearance between the shaft and the bearing ... .0015 to .0063 in.(0.038 to 0.160 mm)
LOCATION OF TIMING MARKS Timing mark (V mark) on tooth of cluster gear (16) must be in alignment with the timing mark (V mark) between the teeth on the crankshaft gear (18) as shown.(17) Drive Gear for accessory drive.(18) Crankshaft Gear.