Linhai 250 Starter Gear Idle
- Brand: Mortch Motor
- Product Code: MILH170M.7.1
- Product Viewed: 6
- Availability: Pre-Order Pre-Order
- Weight: 0.00kg
US$6.88
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🔧 Linhai Starter Gear Idle (Double Gear)
📦 Part Number: 23701 / 170M.7.1
⚙️ Starter Idler Gear · Double Gear · OEM Specification
📍 Installation Position: Starter System · Between Starter Motor and Flywheel
✅ OEM Quality · Precision Gear · Fits Linhai 260-420cc Series Models
This product is a Linhai OEM-spec starter gear idle (double gear / starter idler gear), part number 23701 / 170M.7.1. This gear is a critical component of the starter system, installed between the starter motor and the flywheel, responsible for transmitting starter motor power to the flywheel ring gear to rotate the crankshaft and start the engine. Manufactured from high-strength steel or high-quality engineering plastic with precision machining, it offers excellent wear resistance and impact resistance.
Over time, the starter gear may experience tooth wear, broken teeth, or seizure, leading to starting difficulty, unusual noise during starting, or starter motor freewheeling. Timely replacement of a damaged starter gear is essential to ensure proper engine starting.
✅ Genuine Quality Assurance: Manufactured strictly to Linhai original technical standards. Tooth profile and dimensional accuracy are identical to the original part for a perfect replacement.
This starter gear idle (23701 / 170M.7.1) fits the following Linhai models:
- Linhai 370 PROMAX T3b
- Linhai 260
- Linhai 300 E2
- Linhai 400 E4
- Linhai 300 T3b
- Linhai 300 T3b EFI
- Linhai 400 2B IRS
- Linhai 400 E2
- Linhai 420 PROMAX T3b
📌 Fitment Note: This starter gear fits the Linhai 260cc, 300cc, 370cc, 400cc, and 420cc series models listed above. If your specific model is not listed, please contact customer service with your VIN for confirmation.
- ✅ OEM Specification: Manufactured strictly to Linhai original technical standards; dimensions are identical to the original part.
- 💪 High-Strength Material: Made from high-strength material with excellent wear resistance and impact resistance.
- ⚙️ Precision Machining: Precision machined tooth profile for smooth meshing and reliable power transmission.
- 🔧 Direct Replacement: Directly replaces worn, broken, or seized original starter gears.
- 🔑 Ensures Starting Performance: Guarantees proper starter system operation for reliable engine starting.
• Starter motor spins but engine does not crank (gear slipping).
• "Clicking" or grinding noise from the starter area during starting.
• Intermittent starting failure — sometimes works, sometimes doesn't.
• Starter motor freewheels without engaging.
• Inspection reveals tooth wear, broken teeth, or seizure.
If any of these symptoms occur, replace the starter gear promptly.
1. Ensure the vehicle is off and disconnect the battery negative terminal before installation.
2. Remove the starter motor and take out the old starter gear.
3. Inspect the starter motor shaft and flywheel ring gear for damage; replace together if necessary.
4. Clean the installation area to remove oil and debris.
5. Install the new starter gear, ensuring it is properly seated and rotates freely.
6. Reinstall the starter motor and tighten mounting bolts to factory torque specifications.
7. Reconnect the battery and test starting operation for normal function and unusual noise.
Professional installation 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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