Linhai 250 260 300 400 Starter Gear Idle

Brand: Mortch Motor
Product Code: MIYP250-5042

Product Viewed: 42

Availability: In Stock

Weight: 0.26kg

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Transmission Taller Gear Set

Fits Yamaha YP250 / Linhai 250-400cc Engines

Increases Top Speed · Plug & Play · Unbeatable Price

📋 Overview

Taller gears in the transmission reduce the overall reduction factor of the gearbox. If the engine is powerful enough to pull the taller gears, this modification will also raise top speed. Contrary to common gear units, the ones come ready pressed and are available at an unbeatable price. Simply replace the old gear unit with the new one - and that's it!

✨ Performance Upgrade: Reduces gear reduction ratio, effectively increasing top speed when the engine has sufficient power. Pre-assembled gear set for simple installation.

📋 Specifications

Gear Ratio 11T / 53T

Idler Gear 23701 / 170M.7.1 1 Piece

Shaft 23702 / 170M.7-2 1 Piece

🔧 Engine Applications

Works with the following engines:

Yamaha YP250 LH170MN
Linhai LH250, LH260, LH300, LH400
Linhai VOG 250-300cc engines

📌 Compatible vehicles: This gear set fits various scooters, ATVs and carts using the engines listed above, including Aprilia, Benelli, Malaguti, MBK, Yamaha Majesty and other models.

🏍️ Compatible Linhai Models

Linhai 370 PROMAX T3b
Linhai 420 PROMAX T3b
Linhai 400 E2
Linhai 400 E4
Linhai 400 2B IRS
Linhai 300 T3b
Linhai 300 T3b EFI
Linhai 300 E2
Linhai 260

📌 Compatibility Note: The above Linhai models use compatible transmission systems — this taller gear set is fully interchangeable and effectively increases top speed.

🔧 Installation

Remove transmission housing
Remove original gear set
Install this taller gear set (pre-assembled)
Reinstall transmission housing
Done! That's it

⚠️ Note: This modification is suitable for vehicles with sufficient engine power. If the engine lacks power, it may not be able to pull the taller gears, resulting in decreased acceleration. Choose based on your vehicle's actual condition.

✅ Unbeatable value top speed upgrade: This transmission taller gear set (11T/53T) reduces gearbox reduction ratio, effectively increasing top speed when the engine has sufficient power. Pre-assembled for simple installation. Part numbers: Idler Gear 23701/170M.7.1, Shaft 23702/170M.7-2. Fits Linhai 370 PROMAX T3b, 420 PROMAX T3b, 400 E2, 400 E4, 400 2B IRS, 300 T3b, 300 T3b EFI, 300 E2, 260 models.

⚠️ Please verify your engine model before ordering: Yamaha YP250 LH170MN or Linhai LH250/LH260/LH300/LH400 / VOG 250-300cc. This modification is suitable for engines with sufficient power; choose according to your vehicle's condition.

🔧 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.