Powerhead
Page 4A-4 90-8M0065421 NOVEMBER 2012
Cylinder Block Specifications
Cylinder Block Specifications
Cylinder bore
Standard 55 mm (2.1653 in.)
Oversize 55.5 mm (2.1850 in.)
Maximum taper/out of round 0.06 mm (0.0024 in.)
Stroke 36 mm (1.42 in.)
Displacement 85.5 ml (5.22 in.³)
Number of cylinders 1
Rotation Clockwise
Crankshaft
Runout 0.05 mm (0.002 in.)
Crankpin journal (standard) 19.98 mm (0.7866 in.)
Crankpin journal (service limit) 19.95 mm (0.7854 in.)
Connecting rod
Wrist pin I.D. (standard) 14.01 mm (0.5516 in.)
Wrist pin I.D. (service limit) 14.04 mm (0.5528 in.)
Crankpin oil clearance (standard) 0.015–0.041 mm (0.0006–0.0016 in.)
Crankpin oil clearance (service limit) 0.060 mm (0.0024 in.)
Lubricants, Sealants, Adhesives
Tube Ref No.
Description Where Used Part No.
12
Loctite Master Gasket Kit Cylinder block mating surfaces 92-12564 2
66
Loctite 242 Threadlocker
Fuel tank mounting bolts
Driveshaft seal housing bolts
92-809821
95
2-4-C with PTFE
Inside diameter of the driveshaft seals
Driveshaft splines
92-802859A 1
110
4-Stroke 10W-30 Outboard
Oil
Piston pin
Piston rings
Connecting rod, connecting rod cap, and the crankpin journal
Crankshaft seal, bearings, piston rings, push rods, and valve
lifters
Camshaft ends and lobes
Driveshaft seal housing O-rings
92-858045K01
Special Tools
Universal Puller Plate
91‑37241
Removes bearings from gears and the driveshaft
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