At a glance
What can fail
The bolt securing the primary drive gear to the crankshaft can break, causing the engine to stall and the rear wheel to lock up.
What the fix does
Dealers will replace the primary drive gear bolt at no cost to you.
The 2020 Honda GL1800 has 4 recalls, the most serious being a crankshaft drive gear bolt that can break, stalling the engine and locking the rear wheel without warning.
The remaining three recalls also involve engine stall risks. Two are related to ECU software on manual transmission models: incorrect programming can cause the engine to cut out when the clutch lever is pulled in while decelerating in second gear or higher, and a separate ignition timing error in the same software can reduce engine output enough to produce a stall under similar riding conditions. Prior repair attempts did not fully resolve the underlying software issue, which is why both filings exist. On the fuel side, the fuel pump impeller can deform and fail entirely, cutting fuel delivery and stalling the engine while the motorcycle is in motion. All four defects share the same end result: an unexpected loss of power on a moving motorcycle, which raises the risk of a crash.
At a glance
What can fail
The bolt securing the primary drive gear to the crankshaft can break, causing the engine to stall and the rear wheel to lock up.
What the fix does
Dealers will replace the primary drive gear bolt at no cost to you.
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Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The fuel pump impellers may have been improperly molded, causing them to deform and fail, which stops fuel delivery to the engine.
What the fix does
Dealers will inspect and replace the fuel pump module at no charge.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
The engine control unit has incorrect programming that may cause the engine to stall when you pull in the clutch lever with the transmission in 2nd gear or higher and the throttle closed.
What the fix does
Honda will mail you instructions to take your motorcycle to a dealership where technicians will update the engine control unit software.
Summarized — see the official notice for exact wording, dates, and contacts.
At a glance
What can fail
A software error in the engine control unit may cause incorrect ignition timing, reducing engine performance and potentially causing the engine to stall.
What the fix does
Dealers will update the engine control unit software at no cost to correct the ignition timing.
Summarized — see the official notice for exact wording, dates, and contacts.