Honda Float Bowl Drain Screw Placement

Honda GL1000 float bowl drain screws will be difficult to loosen for periodic maintenance if the float bowls are installed onto the wrong carbs.

There are specific left/right carb bowls plus a special bowl for carb #1 (with vacuum hose barb). The bowls will bolt up and run fine on the wrong carbs, but it will be hard to get a screwdriver blade onto the drain screws when the carbs are installed on the bike.

Carb Bowl Drain Screws

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Error in Official Honda GL1000 Shop Manual – Jetting Specs

Thankfully, the official Honda GL1000 Shop Manual is not riddled with errors like the Clymer manual, but there are two known “typos” in the Fuel System chapter of the Honda manual (at least in my copy which has a July, 1978 print date).

Honda made two mistakes in the chart printed on Page 9-2:

  1. ’75 slow air jet (idle air jet) listed as #125….should be #110
  2. ’77 secondary main fuel jet listed as #125….should be #120