WH 125cc 150cc Camshaft Holder

Brand: Mortch Motor
Product Code: MIWH125-3019

Product Viewed: 163

Availability: In Stock

Weight: 0.26kg

Packing Size: 6.00 x 6.00 x 3.00cm

0 reviews / Write a review

US$4.95 38 SOLD

Shipping To：

More Quotes

WH125cc Camshaft Holder / Camshaft Cap

🔧 Camshaft Holder · Camshaft Cap · Valve Train

One of the cheapest ways to get real performance tuning · Smoother running · For GY6 QJ153QMI engines

📋 Product Overview

This is the WH125cc Camshaft Holder (Camshaft Cap), one of the most cost-effective ways to achieve real performance tuning on 4-stroke engines. Working closely with various 4-stroke scooter manufacturers, we have managed to optimize the design to increase engine performance and running smoothness without affecting everyday drivability, while still offering smooth running and durability.

This camshaft holder assembly is located inside the cylinder head cover and fits QJ153QMI (GY6) engines, including Keeway ARN 125, F-act 125, Matrix 125, RY8 125, RX9 LEONE, and other similar models with GY6 QJ153QMI motors. It secures the camshaft in place and provides precision lubrication passages and bearing surfaces for proper valve train operation.

✨ Key Benefits: Performance increase · Smoother running · Great value · OEM replacement/upgrade

📐 Specifications

Product Name

Camshaft Holder / Cap

Engine Application

QJ153QMI (GY6) 125cc

Engine Type

4-Stroke · Single Cylinder · Air Cooled

Location

Inside Cylinder Head Cover

🛵 Compatible Models

This camshaft holder fits the following vehicles and engines:

🔧 Engine Model

QJ153QMI (GY6 125cc 4-Stroke Engine)

Compatible vehicles include:

Keeway ARN 125
Keeway F-act 125
Keeway Matrix 125
Keeway RY8 125
Keeway RX9 LEONE
Other scooters using QJ153QMI (GY6) engines

📌 Compatibility Note: This product is designed for QJ153QMI (GY6) 125cc engines and is installed inside the cylinder head cover. Before purchasing, please verify that your engine is QJ153QMI or a GY6 platform engine.

⚙️ Function of Camshaft Holder

🔩 Camshaft Retention

Works with the cylinder head to form the camshaft bearing journals, ensuring proper positioning and rotation.

💧 Lubrication Passages

Contains precision oil channels that direct oil to the camshaft bearings and cam lobes for proper lubrication.

⚡ Performance Impact

The holder's precision directly affects camshaft smoothness, which impacts valve timing and engine performance.

🔄 Friction Reduction

Optimized design and precision machining reduce camshaft rotational resistance, improving efficiency and smoothness.

📈 Performance Improvement

This camshaft holder enhances engine performance through:

Higher Machining Precision: Ensures smoother camshaft operation with reduced friction losses.
Optimized Lubrication Design: Improves oil flow to camshaft bearings, reducing wear and extending engine life.
Better Heat Dissipation: Material selection and design contribute to improved cooling in the camshaft area.
Enhanced Running Smoothness: Reduces engine vibration and noise for a more comfortable ride.
Excellent Value: Minimal investment for noticeable performance improvement and refined operation.

💡 Upgrade Recommendation: This product is a perfect replacement/upgrade for the original camshaft holder. After installation, you'll notice smoother engine operation and improved throttle response. For best results, use with high-quality engine oil.

⚠️ Camshaft Holder-Related Failure Symptoms

Valve Train Noise: Rhythmic tapping or rubbing sounds from the top of the engine.
Power Loss: Reduced engine power, poor acceleration.
Increased Oil Consumption: Poor lubrication in the camshaft area may cause abnormal oil consumption.
Camshaft Wear: Upon inspection, abnormal wear on camshaft bearing journals.
Increased Engine Noise: Overall louder operation with more vibration.

If you experience these symptoms, inspect the valve train components including the camshaft, camshaft holder, and rocker arms.

🔧 Installation Tip

1. Replacing the camshaft holder requires removing the cylinder head cover. Professional installation is recommended.
2. Clean all mating surfaces before installation to ensure no oil or debris remains.
3. Apply a small amount of oil to the camshaft bearing journals for initial lubrication.
4. Tighten the holder mounting bolts to the specified torque in the correct sequence.
5. After installation, verify that the camshaft rotates freely without binding.
6. Start the engine and check for normal valve train operation sounds.

⚠️ Important Notice: This is a WH125cc camshaft holder (camshaft cap) designed for QJ153QMI (GY6) 125cc engines, including Keeway ARN 125, F-act 125, Matrix 125, RY8 125, RX9 LEONE, and similar models. It is located inside the cylinder head cover and is an essential component of the valve train. Please verify your engine model before purchasing. Images are for reference only. The actual product may vary.

🔧 Compatibility Notice

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 Disclaimer

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.

💰 Import Duties & Taxes

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.

📌 Order Confirmation: By completing your purchase, you acknowledge that you have read, understood, and agreed to all terms above. For any questions, please contact our support team prior to ordering.