Product Details
Description
Universal Parts Seat Lock Cable; 139QMB Scooters
Key Details
- 134-70
Specifications
- Overall Length: 11.8 inches (30cm) Length of Sleeve: 6.75 inches Baotian, Jonway Beta 50, YY50 QT-6, Roketa Maui MC-08-50, Tank Urban 50, TaoTao ATM 50, Speedy 50, CY50-T3, Funny 50, Various unlisted makes/models
Compatibility
Fits many 139QMB-based 50cc / 80cc scooter engines. Confirm measurements, connector style, and engine family before ordering.
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 50cc, 80cc
- Engine Code: 139QMB
- Fits Models / Common Applications: Jonway, Roketa, and TaoTao and other compatible models may apply.
- Fitment Notes: Universal Fit
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Common Fitment Questions
Q: Will this fit a 139QMB engine?
A: This SKU is listed as compatible with 139QMB engine-code fitment. Always compare your original part and scooter details before ordering.
Q: Will this fit a Jonway?
A: This SKU is listed with Jonway model fitment where the scooter also matches the listed engine or fitment notes.
Q: Is this for 50cc scooters?
A: This SKU is listed with 50cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 0.3 lbs |
|---|---|
| Dimensions | 12 × 12 × 1 in |
| Condition | New |
|---|
Universal Seat Lock Cable
Is your seat refusing to pop open, or did the release lever suddenly go limp? A snapped or stretched seat lock cable is a common frustration on 139QMB and GY6 scooters, usually caused by years of cable tension and weather exposure. This universal replacement cable restores smooth, effortless access to your under-seat storage compartment, getting your storage back in commission.
Key Features
Universal Compatibility: Designed to fit a wide range of GY6 and 139QMB-based scooters, making it a reliable fix for most standard Chinese-manufactured models.
Durable Outer Housing: Features a weather-resistant sleeve that protects the inner cable from rust and binding, ensuring long-term smooth operation.
Easy Adjustment: Engineered for simple installation with standard barrel-end fittings, allowing you to easily fine-tune the tension for a perfect “pop” every time.
Essential Repair: A cost-effective solution to fix a broken seat release, saving you from the hassle of awkward manual latch releases.
Fitment Guide
Fits 139QMB / GY6 sport-style scooters with standard seat lock systems (50cc–150cc). Confirmed fits include:
- Tank Urban 50
- Roketa Maui MC-08-50
- Sunl SL50QT-7 Sporty
- Dazon Diamondback
- TaoTao CY50-T3 / Funny 50 / Speedy 50
- Lance GTR 50
- Baja SC50
- Jonway Beta 50 / QT-6
- JMstar Breeze
- Longbo LB50QT-6
- Moto Fino MF50QT
- Gator Imports Eagle 49cc
- Excalibur Vanguard 50
- Baccio SPD 50cc
- Baotian BTM-BT49QT
Technical Specs
Compatibility: 139QMB / GY6 Engines, 50cc–150cc
Style: Universal barrel-end cable
Housing Length: Approx. 8 inches
Housing Diameter: Approx. 4.75mm
Cable Length: Approx. 12 inches
Package Contents: (1) Seat Lock Cable Assembly
Maintenance Note: If your cable feels "stiff" rather than broken, try injecting some silicone or graphite lubricant into the cable housing. It can often save a cable that is just starting to bind.
Installation Tip: When routing the new cable, avoid tight kinks or sharp bends. The smoother the path from the lever to the latch, the longer the cable will last.
Pro Tip: Before tightening the cable at the latch, make sure the lever end is fully seated. A small amount of slack is necessary to prevent the seat from accidentally popping open while riding.
WARNING: California Proposition 65





