C100 Cylinder Head Heft Cover

Brand: Mortch Motor
Product Code: MIC100-6003

Product Viewed: 257

Availability: In Stock

Weight: 0.08kg

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C100 Cylinder Head Left Cover (Heft Cover)

🔧 Cylinder Head Side Cover · Engine Side Cover · Valve Train Cover

For Moped, Cub & ATV · Fits 139FMB, 147FMD, 147FMF, 150FMG engines

📋 Product Overview

This is a C100 Cylinder Head Left Cover (Heft Cover), an important external sealing component for the engine's valve train. It is suitable for Mopeds, Cub series, and ATVs, and fits engines including 139FMB, 147FMD, 147FMF, 150FMG, and similar models.

The cylinder head left cover is installed on the left side of the cylinder head, working together with the right cover to seal the timing chain chamber and camshaft area, protecting the internal valve train components. Manufactured from high-quality aluminum alloy with excellent sealing properties and durability, it is an ideal replacement when the original side cover is damaged, warped, or has poor sealing.

✨ Key Functions: Seals timing chain chamber · Protects camshaft mechanism · Prevents oil leaks · Direct replacement

📐 Specifications

Product Name

C100 Cylinder Head Left Cover

Engine Application

139FMB / 147FMD / 147FMF / 150FMG

Material

Aluminum Alloy

Position

Cylinder Head Left Side

🔧 Compatible Engine Models

This C100 cylinder head left cover fits the following engine models:

139FMB

147FMD

147FMF

150FMG

Engine Reference Information:

139FMB: 1P39FMB / 1P39QMB · 50cc-125cc universal engine
147FMD: 1P47FMD · 70cc-110cc engine
147FMF: 1P47FMF · 90cc-110cc engine
150FMG: 1P50FMG · 125cc-150cc engine

🛵 Compatible Vehicles

Mopeds - Various 50cc-150cc moped models
Cub Series - Honda Cub and clone models
ATVs - Small-engine quad bikes / kids ATVs
Mini Moto / Pocket Bikes
Other vehicles using 139FMB, 147FMD, 147FMF, 150FMG engines

📌 Compatibility Note: This C100 cylinder head left cover is suitable for the engine models listed above. Before purchasing, please verify your engine model matches.

⚙️ Function of Cylinder Head Left Cover

🔧 Sealing Function

Works with the cylinder head and right cover to seal the timing chain and camshaft chambers, preventing oil leaks.

🛡️ Valve Train Protection

Protects camshaft, timing chain, rocker arms, and other components from external contamination and damage.

💧 Oil Flow Control

Helps control oil flow inside the engine, reducing splashing losses.

🔩 Structural Support

Provides mounting support for camshaft bearings and rocker arm shafts, enhancing structural rigidity.

💡 Important Note: The cylinder head left cover works together with the right cover to seal the engine's valve train. When replacing, it is recommended to inspect the gasket condition to ensure proper sealing.

⚠️ Cylinder Head Left Cover Failure Symptoms

Oil Leakage: Visible oil seepage around the left side cover, typically with oil stains visible below.
Warped Cover: Cover deformed due to overheating or improper installation, preventing proper sealing.
Loose Mounting Bolts: Bolts loose, causing poor sealing, noise, or oil leaks.
Deteriorated Gasket: Rubber gasket hardened, cracked, or lost sealing ability.
Engine Noise: Unusual noises from internal components rubbing or loose.
Increased Oil Consumption: Poor sealing leads to oil leaks, noticeably reduced oil level.

If you experience these symptoms, inspect the cylinder head left cover and gasket, and replace if necessary.

✨ Product Features

OEM Specifications: Manufactured to original specifications for perfect fitment.
Aluminum Alloy Construction: Cast from high-quality aluminum alloy for strength and excellent heat dissipation.
Precision Machined: Sealing surface precision-machined for proper fit with the cylinder head.
Heat Resistant: Material designed to withstand engine operating temperatures.
Structural Strength: Well-designed for adequate structural support.
Direct Replacement: Perfect substitute for damaged or worn original cylinder head left covers.

🔧 Installation Tip

1. When replacing the cylinder head left cover, it is recommended to replace the gasket at the same time to ensure proper sealing.
2. Clean the cylinder head mounting surface and the cover sealing surface to remove oil and debris.
3. Inspect the gasket for damage or deformation; replace if necessary.
4. After installing the cover, tighten mounting bolts evenly to the specified torque to avoid warping.
5. Start the engine and check for oil leaks and abnormal noise after installation.
6. It is recommended to inspect the condition of the right cover and top cover at the same time.

⚠️ Important Notice: This is a C100 cylinder head left cover (Heft Cover) for Mopeds, Cubs, ATVs, and vehicles using 139FMB, 147FMD, 147FMF, 150FMG engines. It is recommended to replace the gasket at the same time to ensure proper sealing. 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.