Restore crisp throttle response and correct idling with the genuine Royal Enfield 580288/C – Throttle Switch. This OE micro-switch mounts on the UCE throttle body/linkage and signals the ECU at closed/idle throttle. If your bike shows hunting idle, stalling when closing throttle, or erratic TPS-related errors, a worn or contaminated switch is often the culprit. Because 580288/C is OEM, the connector, actuation cam profile and mounting holes line up perfectly—no wiring hacks, no shims—and the switch closes at the factory-specified angle, ensuring stable idle hand-off and smooth fueling.

We verified identity on the official parts index as “THROTTLE SWITCH CLASSIC350 500CC – 580288/C” with supersessions from 580288/A and 580288/B to 580288/C. Trusted dealer listings confirm application across the UCE 350/500 single-cylinder family below (Classic 350, Bullet 350/500, Electra 350 ES, Thunderbird 350). Stick to confirmed models to avoid returns. 

Key Features

• Genuine OEM throttle micro-switch — Part 580288/C; replaces 580288/A & 580288/B. 

• Correct connector & mounting pattern for UCE throttle body; plug-and-play.

• Factory switching point for stable idle and ECU calibration.

• Helps cure symptoms like stalling at closed throttle / erratic idle (when caused by a failing switch).

• Durable OE sealing against dust/moisture at the linkage.

• Supplied each in RE-labelled packaging.

Compatibility Table 

CHECK PART NUMBER BEFORE PURCHASE

Not for: J-Series (Classic Reborn/Bullet 350 J/Meteor 350), Himalayan/Scram 411, 650 Twins. Use model-specific throttle body/TPS assemblies for these bikes.

Variants

• Supersessions: 580288/A → 580288/B → 580288/C 

FAQs

Q1. What does this switch do?
It signals closed/idle throttle to the ECU/TCI so fueling and idle control behave correctly.

Q2. Do I need ECU mapping after replacement?
No remap is normally required. Clear any stored errors, then perform a basic idle learn (let the bike idle to fan-on once).

Q3. Will this fit Thunderbird 350X?
Some retailers bucket 350X with Thunderbird 350. We list Thunderbird 350 (UCE) generically; share your VIN and we’ll fiche-confirm for 350X before dispatch. 

Q4. Common symptoms of a bad switch?
Unstable idle, stalling as you roll the throttle shut, intermittent MIL light with idle-related codes, or needing throttle to keep the bike running.

Q5. What else should I check?
Inspect the throttle-body cam for dirt, verify cable free-play per manual, and check for air leaks at the manifold.