Piston And Connecting Rod Assembly - Mercury 200 OptiMax Jet Drive Service Manual

Powerhead
5. Gently push the crankshaft down into position and verify that the center pins are lined up with the holes in the center main
bearings and that the crankshaft seal rings are in place.
a
6. Lubricate the lower crankshaft end (oil seal area) with 2‑Cycle Premium Outboard Oil, then install the lower end cap.
Tube Ref No.
2-cycle Premium
14
Outboard Oil
7. Secure the end cap to the cylinder block with attaching bolts. Do not tighten the end cap bolts at this time.

Piston and Connecting Rod Assembly

1. Place the needle bearings on a clean piece of paper and lubricate them with 2‑4‑C with Teflon.
NOTE: There are 29 needle bearings per piston for the 175 Pro XS and for S/N 0T178499 and below. S/N 0T178500 and
above have 34 needle bearings per piston.
Tube Ref No.
2-4-C with Teflon
95
2. Place the sleeve from piston pin tool 91‑74607A3 for S/N 0T178499 and below, or 91‑92973A1 for S/N 0T178500 and above,
into the connecting rod journal and install the needle bearings around the sleeve.
3. Place the locating washers on the connecting rod.
IMPORTANT: Position the connecting rod part number so it is facing towards the flywheel.
Page 4A-50
Description
Crankshaft sealing rings and lower crankshaft end oil seal
a - Lower end cap (installed but not tightened)
a
8705
Description
a - Crankshaft
9365
Where Used
Where Used
Needle bearings
Part No.
92-858021K01
Part No.
92-802859A 1
90-8M0050731 MAY 2011