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Scott06 replied to the thread End of Season oil changes?.

This- if there's any water in the drive or leaks you got all winter to fix it. If you do this the engine and drive will outlast the boat

Sep 19, 2025
Scott06 reacted to Bondo's post in the thread End of Season oil changes? with Like.

Ayuh,..... I do both at seasons end, regardless the hours run,...... Fresh oil in the motor, so that there's no acids or other crap...

Sep 19, 2025
Scott06 replied to the thread 73 starcraft old merc to new merc.

I think minor cutting of the keyhole on the top corners is required. Nothing major or to worry about. Might be for the swing of the...

Sep 19, 2025
Scott06 replied to the thread Mercruiser Setting Timing on 3.0L.

you might be better off if the boat is on a trailer to take it to the machine shop and see if they have a machinist rule to look at the...

Sep 19, 2025
Scott06 replied to the thread Freeze plug part number.

Have never seen the core plug for manifolds sold separately. you will likely have an easier time going to the auto parts store and...

Sep 18, 2025
Scott06 replied to the thread Mercruiser Setting Timing on 3.0L.

could be cant tell from the pics if the block surface is eroded or not. As mentioned below you need a long machinist flat bar to check...

Sep 18, 2025
Scott06 replied to the thread 1997 Mercruiser 4.3 LX not running steady steady at idle or higher RPM's.

get an ulntrasonic. well worth it. I did my buddies Holley 2 bbl off his VP a couple years back, Engine had all the symptoms of needing...

Sep 18, 2025
Scott06 replied to the thread Mercruiser Setting Timing on 3.0L.

clean the head bolts and chase threads defintely ok to reuse. It may be the picture but look at the block closely where the gasket was...

Sep 17, 2025
Scott06 replied to the thread 1997 Mercruiser 4.3 LX not running steady steady at idle or higher RPM's.

yes TB4 will not move at idle like a TB5 will. The accelerator pump ball wont affect idle quality, if you have a good pump shot and it...

Sep 17, 2025
Scott06 replied to the thread Mercruiser Setting Timing on 3.0L.

that looks like a GM manual as it says industrial marine - so yeah it probably is right- the merc manual has the carb info timing etc...

Sep 16, 2025
Scott06 replied to the thread 1997 Mercruiser 4.3 LX not running steady steady at idle or higher RPM's.

have you set the timing on it and is the timing jumping around. Also disconnect the tach to see if it changes things. Bad tachs can mess...

Sep 16, 2025
Scott06 replied to the thread Mercruiser Setting Timing on 3.0L.

get the factory service manual for your engine/serial number. The Mercruiser manuals are excellent resources for all details like this...

Sep 16, 2025
Scott06 replied to the thread 6.2L MX MPI Stalls when shifting out of gear.

Yes what was described interrupts the triggering signal between the dist and the coil, will keep coil from firing

Sep 16, 2025
Scott06 replied to the thread 6.2L MX MPI Stalls when shifting out of gear.

It’s the lower sketch and it goes under the rear motor mount . You can see the ear of the mount on the transom plate there. The flywheel...
Sep 15, 2025
Scott06 replied to the thread 6.2L MX MPI Stalls when shifting out of gear.

Yeah the biggest engine they make with an alpha is the 350 mag mpi- 300 hp. i Think all the 6.2 s are 325 or 340hp . prob closest way...

Sep 15, 2025

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