TOPIC:

Is it possible to remove head and cylinder with the engine in the frame

Pretty sure the answer is yes, but I did it a long time ago and I might just be senile.

Absolutely. This excerpt straight ou tof the Service manual

Disassembly-Engine Installed
Table of Contents
FLOW CHART
FUEL TANK ............................................... .
SOLENOID FUEL VALVE .... . ...... . ................ .. .... . .. .
FUEL LEVEL SENDER ................... .. ...... . . . ... .. .... .
AIR CLEANER ELEMENT ... . .... . .. . ..... . ............. .. . ... .
AI R CLEANER HOUSING . . ..... . ........ . ........ . ..... . .. .. . .
VACUUM SWITCH VALVE (US model) .............. .. .......... . . .
IGNITION COILS, RESiSTOR ........................................ .
CARBURETORS .... . .............. .. ...... . . . ... . . .. . .... ..... .... .
CARBURETOR HOLDERS . ................. ... . . ......... .. ... .
RADIATOR ...................... . ........................ .
RADIATOR FAN ............ . ..................... . ... ..... .
MUFFLERS .... ..... ....... . ... ....... ... . ... . ............ .
EXHAUST PIPES ..... . . . .............. .. ..... . ......... . .... .
TOP END
PICK-UP COl L ASSEMBLY .... . . ... .. .. ... .. .. . . . ....... . ...... .
AUTOMATIC TIMING ADVANCER HOUSING,
AUTOMATIC TIMING ADVANCER . ...................... . ..... .
CAMSHAFT CHAIN TENSIONER . .................... ...... .. ... .
TIMING CHAIN TENSIONER .... . .. . .. . ............. . ....... . .. .
THERMOSTATIC FAN SWITCH ... . . . ................... .. . . .... .
WATER TEMPERATURE SENDER ....................... . ..... . . .
WATER PUMP IMPELLER, MECHANICAL SEAL ..................... .
THERMOSTAT ... .. .... . . .. . .. ...................... . . .... . .
AIR SUCTION VALVE ........ . ................. . ......... . ... .
CYLINDER HEAD COVER . .... .. . .. ... .... .. ......... . ..... . .. .
CAMSHAFTS ... .... ......... . .... . . . ...... . . . .. . ........ . . .
CYL1NDER HEAD ... ... .. . ... ..... ................... ... .. . . .
CAMSHAFT CHAIN GUIDES . . .. . ......... . ......... . .... .. .. .. .
CYLINDER BLOCK .... . ............. ... . . .. ... .. . ... . . .. .... .
PISTON, PISTON RINGS ..... .. ........ . ... . . . .. .. .. . .. .. ..... .
CRANKCASE STUDS ................ . ......... .. ... . .. ... .. ..

Thanks for the response.