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Rob's WD16H and Big4 Forum

Dutch army, Johan Herman Fuhler, somewhere between 1945 and 1950

Forum: Rob's WD16H and Big4 Forum
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ignition timing + cam timing

you guys probably know all this, but in case another fool like me looks in with problems
try this and the engine runs so sweet and starts 1st kick
CAMS
30 degrees BTDC INLET
25 degrees ATDC EXHAUST VALVE FULLY CLOSE

POINTS START OPENING ON FULL ADVANCE
1/2" BTDC on compression stroke.......... yes 1/2 inch.....not 7/16"

BIKE RUNS COOL AND SMOOTH AND IS FULLY RESPONSIVE TO THE ADVANCE/RETARD LEVER

thanks

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