CG Plate of Start Motor Assy

Brand: Mortch Motor
Product Code: MICG125-1080

Product Viewed: 185

Availability: In Stock

Weight: 0.91kg

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CG Starter Motor Gear Plate Assembly

🔧 Starter Gear · Starter Ring Gear · Electric Start Component · CG Series Specific

For Scooter Starting Systems · Excellent Replacement · 57-Tooth Design

📋 Product Overview

This is the CG Starter Motor Gear Plate Assembly — an excellent replacement for the scooter's original starter gear plate. This component is a critical part of the electric start system, responsible for transmitting power from the starter motor to the engine crankshaft to crank the engine.

The starter gear plate (also known as the starter ring gear or starter gear) is mounted on the engine crankshaft or one-way clutch, engaging with the starter motor's pinion gear. When the start button is pressed, the starter motor drives the pinion gear, which rotates the starter gear plate, turning the crankshaft and starting the engine. Manufactured from high-quality steel with heat-treated gear teeth for durability, this is the perfect replacement when the original starter gear exhibits worn teeth, broken teeth, or starting slipping issues.

✨ Core Functions: Transmit starter motor power · Drive crankshaft rotation · Enable electric start · Wear-resistant and durable · Quality replacement part

📐 Specifications

Product Name

Starter Motor Gear Plate Assembly

Compatible Vehicles

Scooters / CG Series Engines

Main Shaft Diameter

22mm

Gear Outer Diameter

117mm

Number of Teeth

57 Teeth

Bolt Hole Spacing

64mm

Gear Material

High-Quality Steel (Heat Treated)

Mounting Type

Direct OEM Replacement

🔧 Compatibility

This starter gear plate assembly is compatible with the following engines and vehicles:

Engine Types: CG125, CG150, GY6, and other 125cc-150cc 4-stroke engines
Vehicle Types: Scooters, CG series motorcycles, dirt bikes, ATVs
Mounting Location: Engine crankshaft or one-way clutch side
Applications: Starter gear wear replacement, starting slipping repair, electric start system repair

📌 Compatibility Note: This starter gear plate features 22mm main shaft diameter, 117mm outer diameter, 57 teeth, and 64mm bolt hole spacing. Before installation, verify that your original starter gear dimensions match this product.

🔧 Importance of the Starter Gear Plate

⚡ Power Transmission

Transfers rotational power from the starter motor pinion gear to the crankshaft to start the engine.

🔧 Torque Multiplication

Provides gear reduction to convert starter motor's high-speed, low-torque output into low-speed, high-torque for cranking.

🔄 One-Way Operation

Typically works with a one-way clutch to transmit power during starting and automatically disengage after the engine starts.

🛡️ Starting Reliability

Precision-machined gears ensure smooth engagement and reliable electric start operation.

⚠️ Symptoms of Starter Gear Failure: Grinding or clicking noise when pressing start button, starter motor spins but engine does not crank, hard starting, metal rubbing sound during start, worn or broken gear teeth. If these issues occur, inspect and replace the starter gear plate promptly.

✨ Product Features

High-Quality Steel Construction: Made from high-strength alloy steel with precision-machined gears for excellent strength and wear resistance.
Heat-Treated Gear Teeth: Gear teeth are heat-treated for high hardness, wear resistance, and impact strength.
Precision Gear Machining: Accurate gear tooth profile ensures smooth engagement, quiet operation, and reliable performance.
OEM Specification Standards: Manufactured to original specifications for perfect fitment.
Accurate Dimensions: 22mm main shaft diameter, 117mm outer diameter, 57 teeth, and 64mm bolt hole spacing — exact match for original equipment.
Direct Replacement: Directly replaces aging or damaged original starter gear plate with no modifications required.

🔧 Installation Guide

1. Disconnect the negative battery terminal before starting to prevent short circuits.
2. Remove the engine side cover to access the starter gear plate.
3. Remove the retaining bolts and take out the old gear plate.
4. Inspect the one-way clutch for proper operation; replace if necessary.
5. Install the new gear plate, ensuring proper engagement with the crankshaft splines or one-way clutch.
6. Tighten the mounting bolts in a diagonal pattern to the specified torque.
7. Check the engagement clearance between the starter motor pinion and the gear plate.
8. Reinstall the side cover with a new gasket, reconnect the battery, and test the starting system.

⚠️ Important Notice: This product is the CG Starter Motor Gear Plate Assembly with specifications: 22mm main shaft diameter, 117mm outer diameter, 57 teeth, and 64mm bolt hole spacing. Suitable for 125cc-150cc scooters and CG series engines.
Spec Confirmation: Before purchasing, verify that your original starter gear dimensions match this product to ensure compatibility.
Installation Caution: Starter gear installation involves engine internals. Professional installation is strongly recommended. Inspect the one-way clutch condition during installation and replace if necessary. Product images are for reference only; please refer to the actual product.

🔧 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.