YP100 Kick Starter Spring
- Brand: Mortch Motor
- Product Code: MIYP100-5046
- Product Viewed: 226
- Availability: Pre-Order Pre-Order
- Weight: 0.07kg
US$1.32
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🔧 YP100 Kick Starter Spring
📦 Fits Engine: YP100 / YP149QMG
⚙️ Kick Starter Spring · Return Spring · OEM Specification
📍 Installation Position: Kick Start Mechanism / Starter Shaft
✅ Premium Spring Steel · Long-Lasting Tension · Direct Replacement · Fits Multiple Scooter & ATV Models
This product is a YP100 kick starter spring (kick start return spring), specifically designed for YP149QMG engines and widely used across a variety of scooter and ATV brands and models. This spring is a core component of the kick start mechanism, responsible for returning the kick start lever to its original position after starting, ensuring proper kick start operation.
Manufactured from premium spring steel, it offers excellent elasticity and fatigue resistance, maintaining reliable return force even after long-term use. Over time, the kick starter spring may experience fatigue fracture, loss of tension, or deformation, causing the kick lever to fail to return, abnormal kick start operation, or mechanism binding. Timely replacement of a damaged kick starter spring is critical to ensuring proper kick start functionality.
✅ Quality Assurance: Manufactured strictly to original technical standards. Dimensional accuracy and spring performance are fully consistent with original parts, ensuring perfect replacement and reliable kick start return function.
This kick starter spring is compatible with the following models (including but not limited to):
- Scooters equipped with YP149QMG engine
- Scooters equipped with YP100 engine
- ATVs equipped with YP149QMG engine
- Various brands and models of small-displacement scooters and ATVs
📌 Fitment Note: This kick starter spring is suitable for various scooter and ATV models equipped with YP100 / YP149QMG engines. Different brands and models may have minor variations. Please verify your original spring specifications before purchasing.
- ✅ OEM Specification: Manufactured strictly to original technical standards. Dimensional accuracy matches original parts completely.
- 🛡️ Premium Spring Steel: Made from high-quality spring steel for excellent elasticity and fatigue resistance.
- 🔧 Long-Lasting Tension: Heat-treated for consistent return force even after extended use.
- 💪 Wide Compatibility: Fits various brands and models of scooters and ATVs.
- 🔄 Direct Replacement: Directly replaces broken, deformed, or weakened original kick starter springs.
• Kick lever fails to return, stays in the down position after kicking.
• Slow or weak kick lever return.
• Loose or binding feeling during kick start operation.
• Unusual noise or kick start mechanism failure.
• Inspection reveals broken or visibly deformed spring.
If you experience any of these symptoms, please inspect and replace the kick starter spring promptly.
1. Replacing the kick starter spring requires disassembly of the kick start mechanism; professional technician service is recommended.
2. Clean the starter shaft and mounting area before installation, ensuring no oil or debris.
3. Pay attention to orientation when installing the new spring — ensure both ends are correctly seated in the locating slots.
4. After installation, manually test the kick lever for smooth and firm return action.
5. Verify the spring is securely installed with no risk of detachment.
Professional installation by a qualified technician is recommended.
- Please verify that this part fits your specific vehicle model and year. Many vehicles share similar names but use different components depending on year or market region.
- We strongly recommend cross-checking with your vehicle's owner's manual or contacting us for confirmation before placing your order.
- Product images, measurements, and descriptions are for reference only. Slight variations in color or appearance may occur due to manufacturing batches or photography lighting—functional specifications remain identical to the ordered part.
- Professional installation is mandatory. Mortch Motor assumes no liability for damages, injuries, or losses resulting from improper installation, misuse, unauthorized modification, or abnormal operation.
- All listed prices EXCLUDE shipping costs, import duties, taxes, and customs clearance fees. These charges (if applicable) are determined and collected by your local customs authority and are solely the buyer's responsibility.
- In case of return due to unpaid duties/taxes or refusal to clear customs, the buyer shall bear the original shipping cost, return shipping fees, and any associated administrative charges deducted from the refund.


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