The 2021 Honda Rebel 1100 has 1 NHTSA recall campaign affecting an estimated 1,022 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 1 complaint with NHTSA, most often about the engine. Last updated July 5, 2026.
Recall campaigns
ENGINE AND ENGINE COOLING21V9870002021-12-161,022 affected
Defect
Honda (American Honda Motor Co.) is recalling certain 2021 Honda Rebel 1100 (CMX1100) motorcycles. The radiator cap may have been improperly formed during manufacturing, which could create an insufficient seal.
Consequence
An insufficiently sealed radiator cap may leak or spray hot coolant, increasing the risk of injury or crash.
Remedy
Dealers will replace the radiator cap and refill any lost coolant, free of charge. Owner notification letters were mailed February 22, 2022. Owners may contact Honda service at 1-888-234-2138. Honda's number for this recall is KN1.
Complaints by component
ENGINE
1
Total complaints1
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Stator cover leaks oil at grommet, improper rtv sealant application”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2021 Honda Rebel 1100 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.