This Tech Tip is provided courtesy of Howard Halasz – noted GL1100 Guru. Howard is a frequent contributor of technical columns and other information to GWRRA’s Wing World Magazine. This Tech Tip applies to any 4 cylinder GoldWing (GL1000, GL1100 or GL1200).
If your GL1100 Gold Wing bogs down at full throttle, there are two possible causes.
1. If your air cutoff valves were never replaced since the bike was new, the air cutoff valve diaphragms might be compromised. This can cause a number of carb maladies including “bogging” at full throttle.