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Guys,
I'm wanting to install a Water Temp. Gauge. I've got a 225hp V-6 Yamaha (1989). See pictures below. It appears and I have read that Yamaha has conveinently put (2) bosses for future use one on top of each head. I just want to make sure these are the ones. Each head also appears to have a "thero-switch" that sents a signal regarding the temp to the control console / warning horn. I don't want to mess with those. I figure I should use the top "bosses" to put the sending unit(s) in. Then I will run dual wires up to the dash, then install a toggle switch before the gauge so I can monitor both cylinder banks independently. What do you all think??? Does this seem correct?? ![]() ![]() ![]()
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1977 SeaCraft 23' Sceptre W/ Alum Tower & Yamaha 225 www.LouveredProductsUnlimited.com |
#2
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Im not yamaha mech but lived in SC for years, is that snow in your splash well? Not trying to change subject and good luck with it!
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#3
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1977 SeaCraft 23' Sceptre W/ Alum Tower & Yamaha 225 www.LouveredProductsUnlimited.com |
#4
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That looks like the same place my water pressure gauge thermocouple was on 250 OX66
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#5
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Well to answer my own question:
Yes, I have learned those are the "bosses" for either a Water Temp. Gauge or a Water Pressure Gauge. If you order from Teleflex, you will need a special adaptor to fit the Yamaha boss. The Yamaha motor uses a M14 metric sized port. The standard temp sender unit provided by Teleflex in the Water Temp. Gauge kit will not fit the Yamaha port. The special adaptor is Teleflex P/N 61886P. FWIW, the Teleflex Water temp. gauge is a lot more detailed and much easier to read than the OEM Yamaha gauge.
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1977 SeaCraft 23' Sceptre W/ Alum Tower & Yamaha 225 www.LouveredProductsUnlimited.com |
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