1978 HONDA CB750 SOHC DELKEVIC 4 INTO 1 EXHAUST

1978 HONDA CB750K barn find only 6,700 miles. Has not been on the road since 1989. Usual complete carb cleaning including new float needles. Checked timing right on. DELKEVIC 4 into 1 header exhaust displays rich puffs of unburned fuel mixture. Next further adjustment on carbs air mixture screws and synchronizing them. No thanks to the EPA this 78 model had fixed jets creating the leanest of the SOHC CB750 models. Made a main jet modification by slightly increasing size with a custom drill size.

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