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TOCOS
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TOCOS · Throttle parts · AC-332
TOCOS RVQ24YS08-03 30S B502 Throttle Potentiometer
The throttle potentiometer sits behind the thumb or wig-wag lever of a mobility scooter and tells the controller how fast to go. It is a wearing part that workshops replace when throttle response becomes erratic. This TOCOS unit is a 5K ohm pot with a 22.80 millimetre base and a 6.30 millimetre shaft that is 30 millimetres long including the thread.
- Part code
- RVQ24YS08-03 30S B502
- Resistance
- 5K ohm
- Base diameter
- 22.80 mm
- Shaft diameter
- 6.30 mm (unthreaded)
TOCOS RVQ24YS08-03 30S B502 5K Ohm Throttle Potentiometer key features
- 5K ohm resistance
- Base diameter 22.80 mm
- Shaft diameter 6.30 mm, unthreaded section
- Overall shaft length 30 mm including thread
- 30 day retailer warranty
Who the TOCOS RVQ24YS08-03 30S B502 5K Ohm Throttle Potentiometer suits
For scooter technicians and confident owners replacing a worn throttle pot. The retailer lists the Merits Pioneer 4 S141 series and mentions ActiveCare, Drive Medical and Rascal scooters. Match the code printed on the old pot, since shaft lengths differ between versions.
TOCOS RVQ24YS08-03 30S B502 5K Ohm Throttle Potentiometer specifications
| Part code | RVQ24YS08-03 30S B502 |
|---|---|
| Resistance | 5K ohm |
| Base diameter | 22.80 mm |
| Shaft diameter | 6.30 mm (unthreaded) |
| Shaft length | 30 mm including thread |
| Warranty | 30 days (retailer) |
| Maker country | Japan |
| Brand | TOCOS |
| Category | Drive controls, motors and controllers, Throttle parts |
| Catalog ID | AC-332 |
Compared with the source page on 5 October 2026. Details can change, so we confirm them in your quote. Open the source page.
TOCOS RVQ24YS08-03 30S B502 5K Ohm Throttle Potentiometer: common questions
How do I identify my pot?
Read the code printed on the body of the old potentiometer and match it exactly.
What does 30S mean for fitting?
This version has a 30 mm shaft. A 21S version with a different shaft is listed separately.
Which scooters use it?
The retailer lists the Merits Pioneer 4 and mentions ActiveCare, Drive Medical and Rascal models.
How to get a quote for the TOCOS RVQ24YS08-03 30S B502 5K Ohm Throttle Potentiometer
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