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Mercury Optimax 175 User Manual

Mercury Optimax 175
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POWERHEAD
90-855347R1 JANUARY 1999 Page 4A-41
Install crankshaft as follows:
1. Lubricate crankshaft sealing rings with light oil.
2. Check cylinder block to be sure that dowel pins are in place.
51848
a
a-Dowel Pins
3. Position all crankshaft seal ring gaps straight up.
4. Align hole in each center main bearing race with dowel pin.
5. Gently push crankshaft down into position making sure that the dowel pins are lined
up with the holes in center main bearings and crankshaft seal rings are in place.
6. Lubricate crankshaft ends (oil seal areas) with light oil, then install upper and lower
end caps (“a” and “b”). Secure end caps to cylinder block with attaching bolts. DO NOT
tighten end cap bolts at this time.
51848
51848
b
c
a
14
14
14
2 Cycle Outboard Oil (92-826666A24)
a-Dowel Pin
b-Upper End Cap
c-Lower End Cap

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Mercury Optimax 175 Specifications

General IconGeneral
BrandMercury
ModelOptimax 175
CategoryOutboard Motor
LanguageEnglish

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