Yes ..plastic carbs do not use the washer under inlet needle

And they are kaput out of business...stay away from Junkrude DI engines.

Did you install the thin plastic washers under the inlet needles?

Describe symptom of burnt pack

Motor mounts?

Compression?

Which cylinder ya got problem with?

Is that red silicon in-between bowl and body? If so thats gotta go//

Sorry but no...... exhaust and powerhead mounting pattern different

Check the shift switch

First...get away from everything this so-called mechanic is telling/selling you. You need to test compression yourself. You have the 2+2 motor and they are known for this bogg if...

Defiantly replace fuel diaphragm, rebuild carbs and install a impeller

Remove bolt and install grounding washer....

You cant check it with water as H2O molecules are larger than gasoline. I have seen this on several Hondas and either the fuel bowl has a crack in/around where fuel comes into bowl or gasket is not...

As long as key is good and not sheared nothing should have changed

Looks to be pre 1974 and if they are asking over $1K walk away

Order the primer/accelerator kit has all you need//
Mercury - Mercruiser Service Kit, 1395-9844A-1 : Automotive Equipment : Sports & Outdoors (amazon.com)

NAPA...Just Google em

Check you charging voltage and ground to fuel pump. If loose or overcharging it will lock up due to heat. Draining VST,setting and fresh VST fuel refill likely cools it soi t starts again.

Same unit just swap drive and shift shaft to looonger:cool: