C100 R.Crank Case Cover
- Brand: Mortch Motor
- Product Code: MIC100-6007B
- Product Viewed: 282
- Availability: Pre-Order Pre-Order
- Weight: 0.09kg
- Packing Size: 24.00 x 18.00 x 11.00cm
US$12.18 11 SOLD
| Shipping To: |
C100 Right Crankcase Cover
🔧 Crankcase Cover · Engine Side Cover · Magneto Side Cover
For Moped, Cub & ATV · Fits 139FMB, 147FMD, 147FMF, 150FMG engines
This is a C100 Right Crankcase Cover (Magneto Side Cover), an important sealing and protective component on the outside of the engine. It is suitable for Mopeds, Cub series, and ATVs, and fits engines including 139FMB, 147FMD, 147FMF, 150FMG, and similar models.
The right crankcase cover is installed on the right side of the engine, covering internal components such as the magneto and starter gears, preventing oil leaks and keeping contaminants out. 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 crankcase · Protects magneto · Prevents oil leaks · Direct replacement
Product Name
C100 Right Crankcase Cover
Engine Application
139FMB / 147FMD / 147FMF / 150FMG
Material
Aluminum Alloy
Position
Engine Right Side (Magneto Side)
This C100 right crankcase cover fits the following engine models:
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
- 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 right crankcase cover is suitable for the engine models listed above. Before purchasing, please verify your engine model matches.
🔧 Sealing Function
Works with the left crankcase to seal the engine interior, preventing oil leaks and contaminant entry.
🛡️ Internal Component Protection
Protects the magneto, starter gears, oil pump, and other internal components from external damage.
💧 Oil Reservoir
Together with the crankcase, forms the oil sump that stores engine lubricating oil.
🔩 Structural Support
Provides mounting support for crankshaft bearings, starter motor, and other components, enhancing engine rigidity.
💡 Important Note: The right crankcase cover typically includes the oil fill port and dipstick, making it frequently accessed during routine maintenance. Ensure the gasket is in good condition when replacing to prevent oil leaks.
- Oil Leakage: Visible oil seepage around the side cover, typically with oil stains visible at the bottom.
- Warped Cover: Cover deformed due to impact or improper installation, preventing proper sealing.
- Loose Mounting Bolts: Bolts loose, causing poor sealing, oil leaks, or noise.
- Deteriorated Gasket: Rubber gasket hardened, cracked, or lost sealing ability.
- Increased Oil Consumption: Poor sealing leads to oil leaks, noticeably reduced oil level.
- External Damage: Cover cracked or damaged due to impact.
If you experience these symptoms, inspect the right crankcase cover and gasket, and replace if necessary.
- 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 crankcase.
- 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 right crankcase covers.
🔧 Installation Tip
1. Before replacing the right crankcase cover, it is recommended to drain the engine oil.
2. Remove the old cover and clean the crankcase mounting surface to remove oil and debris.
3. Install a new gasket, inspecting for damage or deformation.
4. Install the cover and tighten mounting bolts evenly to the specified torque to avoid warping.
5. After installation, refill with the proper amount of oil and check for leaks.
6. Start the engine and let it idle, observing for any abnormal noise or oil leaks.
- 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.





Thank You












