Make blocks and mount clips to fasten in bulkheads. Run and mount fuel and breather lines, run exhaust tubing. Mask and fill large interior planks gaps with sikaflex. Mount fuel tank and make arrangements for filling. Make cockpit support blocks and gussets. Finiah and fit final fuel tank hold-in. Prepare for gluing in cockpit.
Make cockpit seat mockup/template. Make and paint engine drip tray. Glue and fasten in engine beds. Rout to correct height. Glue and fasten in shaft log, shaft tube, and strut to hull. Make, paint, and fit muffler box mount. Attach cockpit support ribs and mounting blocks. ALign and bolt in engine. Trim proptube for shaft seal. Prepare for and fit flexible engine coupling, shaft flange, and shaft seal. Paint as required.