Fastwin 18 overheated

[Matt Smith]

'Tis the boating season!<br /><br />Got my motor running yesterday. The problem was a bad plug wire. I took off across the lake yesterday at WOT (yeah, I know now) and it suddenly lost power and died over a 5 second span. I never tried to restart the motor until this morning, and it started and ran well, but got warm fairly quick. I have a good stream of water coming out the outlet.<br /><br />I tried to order a water pump from iboats, but they don't list the part. Is this going to be a hard part to find? I'm also going to order a new thermostat kit.<br /><br />I bought the SELOC manual, but it hasn't been much help. I understand I need to retorque the head bolts and replace the water pump, but is there anything else I should do?

 

[CATransplant]

Re: Fastwin 18 overheated

What's the model number for the motor?

 

[Matt Smith]

Re: Fastwin 18 overheated

18902<br /><br />Is there a procedure I can do to see if the cooling lines are blocked up? I don't have the part (nozzle?) that is shown in the manual.

 

[CATransplant]

Re: Fastwin 18 overheated

OK, Sierra 18-3002 is the impeller for all 1953-65 15 and 18 horse JohnnyRudes. You can order it at any NAPA dealer or online at places like marineparts.com.<br /><br />I guess that's the one you need, even without the model.<br /><br />The Thermostat is Sierra 18-3672...for all models of 18 hp (and a lot of others, too).<br /><br />Hope that helps.

 

[Matt Smith]

Re: Fastwin 18 overheated

Did you mean the year model? If so, that's a 1969. It's an 18 horsepower.

 

[CATransplant]

Re: Fastwin 18 overheated

OK...I didn't know they made an 18 in 1969, but that's OK. The same parts are still called for, as described above.

 

[Matt Smith]

Re: Fastwin 18 overheated

I changed out the thermostat and bought an impeller. Right now, the existing impeller is pumping a steady stream of water at idle. <br /><br />Would it be wise to go ahead and put the new one on anyway? What about the seals on the lower unit? They aren't available anymore. What should I use?

 

[Matt Smith]

Re: Fastwin 18 overheated

ttt