Service bulletins for the 2021 Honda NC750X

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
The Wrench - May	2022-06-06. Service bulletin. SERVICE BRAKES; POWER TRAIN; STRUCTURE; ELECTRICAL SYSTEM. "Newsletter - If the LCD screen is blank/inoperative and asterisks appear in place of the riding modes, perform the following test. • Inspect the number five (15 amp) audio fuse next to the battery in the main fuse box. • If failed, replace the fuse and disconnect the main multi pin connector from the Navi/audio unit. Power up the unit, and the fuse should not blow. You can also test with a known good Navi/audio unit. TechLine may be able to loan a known good Navi/audio unit if one is not available. • If the fuse does not fail, the original Navi/audio unit is internally shorted and will need to be replaced. " Newsletter - We have heard of customers riding with the cruise “ON” with no intention of actually using the cruise control function. These customers have noticed an issue where the cruise “ON” light in the dash will intermittently turn off on its own and not turn on again until the ignition key is turned off and back on. This will cause a P0504 error code to be stored for a brake switch malfunction. However, there is no actual malfunction of the switch. The rear brake pedal has a brake light switch and a cruise cancel switch. The problem is when both switches are activated for longer than 30 seconds while riding. Newsletter - When installing the NC750X/D accessory light bar (p/n 08A70-MJL-D30 or p/n 08A70-MGS-D30), ensure the front cowl stay holes are drilled in the correct position. The distance between the two mounting holes should be 37mm. If the mounting holes are less than 37mm, the front cowl stay (p/n 08A70-MJL-D30 or p/n 08A70-MGS-D30) will need to be replaced to install the accessory light bar. Newsletter - If the indicator warning light is on at all times and the motorcycle functions normally, you could have a DTC code P170D (shift sensor ground fault) due to the unit not having the quick shift option installed.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.