Evinrude 1987 200-HP vs 1989 175-HP - Moderated Discussion Areas

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  Evinrude 1987 200-HP vs 1989 175-HP

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Author Topic:   Evinrude 1987 200-HP vs 1989 175-HP

R I Whaler posted 11-05-2006 08:35 AM ET (US)
Are all the differences [between a Evinrude 1987 200-HP compared to an 1989 Evinrude 175-HP] in the power head? Are the midsection and lower unit the same [on a Evinrude 1987 200-HP compared to a 1989 Evinrude 175-HP]? Can I put my 200-HP powerhead on a 175-HP lower unit? What parts are interchangeable [between an Evinrude 1987 200-HP vs an Evinrude 1989 175-HP]? Which are not?
Thanks,
Mike
jimh posted 11-05-2006 09:25 AM ET (US)
If both motor use the same block, there is probably not much difference between them other than the carburetors.
Teak Oil posted 11-05-2006 11:11 AM ET (US)
The 200 probably uses a 3.3 liter block, and the 175 uses a 2.6 liter block, totally different.
Jim you have a 3.3 liter engine, is the midsection the same as the one from the smaller 2.6's? I think it is
Peter posted 11-05-2006 07:53 PM ET (US)
The blocks are different. The 1989 175 was built on a cross-flow block of about 2.6L. The 1987 200 was built on loop-charged block of about 2.7L. In 1988 or 1989, the bore was increased on the 2.7L block to make it displace 3L.
The Judge posted 11-10-2006 01:04 PM ET (US)
ditto..if you had a 1986 200 I think they are the same 2.6L block. Your midsections etc will probably swap though. A simple check at the dealer for the "base gasket" number will reveal if they use the same pattern or gasket to mount the powerhead.

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Author	Topic: Evinrude 1987 200-HP vs 1989 175-HP
R I Whaler	posted 11-05-2006 08:35 AM ET (US) Are all the differences [between a Evinrude 1987 200-HP compared to an 1989 Evinrude 175-HP] in the power head? Are the midsection and lower unit the same [on a Evinrude 1987 200-HP compared to a 1989 Evinrude 175-HP]? Can I put my 200-HP powerhead on a 175-HP lower unit? What parts are interchangeable [between an Evinrude 1987 200-HP vs an Evinrude 1989 175-HP]? Which are not? Thanks, Mike
jimh	posted 11-05-2006 09:25 AM ET (US) If both motor use the same block, there is probably not much difference between them other than the carburetors.
Teak Oil	posted 11-05-2006 11:11 AM ET (US) The 200 probably uses a 3.3 liter block, and the 175 uses a 2.6 liter block, totally different. Jim you have a 3.3 liter engine, is the midsection the same as the one from the smaller 2.6's? I think it is
Peter	posted 11-05-2006 07:53 PM ET (US) The blocks are different. The 1989 175 was built on a cross-flow block of about 2.6L. The 1987 200 was built on loop-charged block of about 2.7L. In 1988 or 1989, the bore was increased on the 2.7L block to make it displace 3L.
The Judge	posted 11-10-2006 01:04 PM ET (US) ditto..if you had a 1986 200 I think they are the same 2.6L block. Your midsections etc will probably swap though. A simple check at the dealer for the "base gasket" number will reveal if they use the same pattern or gasket to mount the powerhead.