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Beautiful Lake Guntersville Alabama on 92’ 300 weekender twin 5.7s. Wanting to put on plane but having trim tab problems and afraid to hammer down without them. Love this time of year

I have a 92’ weekender 300 and my trim tabs a stuck in the up position. I just got the twin 5.7s Working great and want to take the boat out now. Is it possible to get on plane and maintain cruising speed without using trim tabs. Any input on rpm and possible cruising speed would be appreciated...

Questions, I got the new impeller with no spacer rubber washer or housing o ring. I also ordered another impeller with the housing which includes o ring, rubber spacer, impeller housing and housing plate. I’m not sure where the spacer goes in front of or behind the impeller.

The 7miles were ran the day before and temperature was 155-170 with gauge. Water was exiting the boat like it should. The next morning cranked the starboard engine and bluish smoke came out exhaust with no water so I shutdown engine knowing the impeller was probably shot. I ordered replacement...

I think you maybe correct. I found 7 & 3/4 fins, out of 8.

Thanks Espos4 I got both engines running great and moved the boat 7 miles to marina slip next to my 32 ft Gulf pilothouse sailboat. Next morning the starboard engine smoke as soon as cranked then no water out the side of boat. I figured it was impeller but now that I'm home I realize that the...

Thanks

See if this picture works

My up loaded pictures show upside down when posted. Anyone know where the edit button is or how to correct this.

Appears to be in the same shape my docking is!!! Upside down

I’ll post some pictures tomorrow

Thanks

Interesting and would like to get the manual you have if possible. Placing the thunderbolt in Maintence mode is where I got lost. I’m a good shade tree mach but very new to any electronics.

Thanks

What is the IAC value and what does it control or do?

Where is the throttle adjustment screw? On the carb or control cable you mentioned

Where is the throttle adjustment screw? On the carb or control cable you mentioned

Need help on a new to me 1992 weekender 300, twin 5.7 mer. I got water/fuel separator outside tank, canister type changed, I got another fuel filter above fuel pump but can’t see the numbers, (any suggestions [I like wix]??) Then there is a big filter on rear port side of engine with two big...