2006 Harley-Davidson Road King Problems & Issues
2006 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated November 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2006 Harley-Davidson Road King has 1 documented issue, with 1 rated critical. The most serious is Twin Cam 88 cam chain tensioner shoes can wear and shed material into the engine (owner reports).
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Preview the XT6 exampleAll 1 Known Issue
NHTSA Recalls1 recall
FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
ON CERTAIN MOTORCYCLES, A CONDITION OCCURS THAT COULD ALLOW PRESSURE TO BUILD UP IN THE FUEL TANK. ON FUEL INJECTED VEHICLES, THIS CONDITION COULD CAUSE FUEL TO SPRAY OUT UNEXPECTEDLY WHEN THE FUEL CAP IS REMOVED. ON CARBURETED VEHICLES, EXCESSIVE FUEL COULD BE TRANSFERRED TO THE CARBURETOR, WHICH WOULD EVENTUALLY ALLOW FUEL TO DRIP FROM THE AIR CLEANER.
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Other Harley-Davidson Models
Frequently Asked Questions
What are the most common Harley-Davidson Road King problems?
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2006 Harley-Davidson Road King has 1 documented issue. The documented issue is: Twin Cam 88 cam chain tensioner shoes can wear and shed material into the engine (owner reports). Of these, 1 is rated critical and should be addressed promptly.
Is the Harley-Davidson Road King reliable?
The 2006 Harley-Davidson Road King has 1 known issue compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 1 issue is rated critical: Twin Cam 88 cam chain tensioner shoes can wear and shed material into the engine (owner reports). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
What is the 1999-2006 Harley-Davidson Road King Twin Cam 88 cam chain tensioner shoes can wear and shed material into the engine (owner reports)?
Owners report that the spring-loaded, plastic-faced cam chain tensioner shoes in the Twin Cam 88 cam chest wear, sometimes losing chunks, and that the shed material can reach and score the oil pump; owner discussions describe catastrophic engine failures. Owners report widely var… Severity: high.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public motorcycle data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.