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Beijing Silk Road Enterprise Management Services Co.,Ltd.

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China Forged 4340 Steel Motorcycle Engine Connecting Rod for Honda CB Yamaha YZF 14mm
China Forged 4340 Steel Motorcycle Engine Connecting Rod for Honda CB Yamaha YZF 14mm

  1. China Forged 4340 Steel Motorcycle Engine Connecting Rod for Honda CB Yamaha YZF 14mm

Forged 4340 Steel Motorcycle Engine Connecting Rod for Honda CB Yamaha YZF 14mm

  1. MOQ: 10 Pieces
  2. Price: USD 15-35 / Piece
  3. Get Latest Price
Payment Terms T/T, L/C, PayPal, Western Union
Supply Ability 20000 Pieces per Month
Delivery Time 5 working days for stock, 15-25 days for production
Packaging Details WNRLN branded color box with shock-proof foam insert, export-grade corrugated carton
Material Forged 4340 Steel
Center-to-Center Length 105mm
Big End Bore 28mm
Small End Bore 14mm
Piston Pin Diameter 14mm
Weight 185g +/- 3g
Heat Treatment Quenched and Tempered
Surface Finish Shot Peened
Application Motorcycle Engine
Compatible Brands Honda CB, Yamaha YZF
Brand Name WNRLN
Model Number MCR-F14-105
Place of Origin Sichuan, China
Certification ISO 9001:2015

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T, L/C, PayPal, Western Union Supply Ability 20000 Pieces per Month
Delivery Time 5 working days for stock, 15-25 days for production Packaging Details WNRLN branded color box with shock-proof foam insert, export-grade corrugated carton
Material Forged 4340 Steel Center-to-Center Length 105mm
Big End Bore 28mm Small End Bore 14mm
Piston Pin Diameter 14mm Weight 185g +/- 3g
Heat Treatment Quenched and Tempered Surface Finish Shot Peened
Application Motorcycle Engine Compatible Brands Honda CB, Yamaha YZF
Brand Name WNRLN Model Number MCR-F14-105
Place of Origin Sichuan, China Certification ISO 9001:2015
High Light Forged 4340 Steel Connecting RodMotorcycle Engine Performance Upgrade14mm Piston Pin Compatible

Forged 4340 Steel Motorcycle Engine Connecting Rod

This forged 4340 steel motorcycle engine connecting rod is precision-engineered for high-performance motorcycle engines, including Honda CB series and Yamaha YZF models. Manufactured from premium 4340 alloy steel through a multi-stage forging process, it delivers exceptional tensile strength and fatigue resistance under extreme RPM conditions.

Key Features

  • Premium Material: Forged from 4340 chromium-molybdenum steel for maximum durability and impact resistance
  • Motorcycle-Specific Design: Optimized weight-to-strength ratio for motorcycle engine RPM ranges (8,000-14,000 RPM)
  • Precision Machining: Center-to-center length tolerance of +/- 0.01mm; big end bore honed to H6 tolerance
  • Heat Treated: Quenched and tempered to HRC 35-40 for optimal balance of hardness and toughness
  • Shot Peened Surface: Compressive surface stress enhances fatigue life by 30% over untreated rods
  • 14mm Piston Pin: Exact fit for common motorcycle engine piston pin diameters

Technical Specifications

MaterialForged 4340 Steel
Center-to-Center Length105mm
Big End Bore28mm
Small End Bore14mm
Piston Pin Diameter14mm
Weight185g +/- 3g
Heat TreatmentQuenched and Tempered
Surface FinishShot Peened

Quality Assurance

Each connecting rod undergoes magnetic particle inspection for surface defects, dimensional verification with CMM equipment, and weight-matching to within +/- 3g per set. ISO 9001:2015 certified production ensures consistent quality batch after batch.

Application

Ideal for motorcycle engine rebuilds and performance upgrades. Compatible with Honda CB series (CB400, CB600, CB900) and Yamaha YZF series (YZF-R1, YZF-R6) motorcycle engines. Also suitable for custom motorcycle engine builds requiring reliable high-RPM connecting rods.

Packaging

Each rod is individually wrapped in VCI anti-rust paper, packed in a WNRLN branded color box with shock-proof foam insert, and shipped in export-grade corrugated cartons.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller

  • Year Established:

    2009

  • Employee Number:

    150~180

  • Ecer Certification:

    Verified Supplier

Beijing Silk Road Enterprise Management Services Co.,LTD is a professional company focus on Excavator Spare Parts business. Beijing Silk Road also will responsible with exporting and logistic business.   We believe in the power of collaboration and teamwork. Our consultants work closely w... Beijing Silk Road Enterprise Management Services Co.,LTD is a professional company focus on Excavator Spare Parts business. Beijing Silk Road also will responsible with exporting and logistic business.   We believe in the power of collaboration and teamwork. Our consultants work closely w...

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  • Beijing Silk Road Enterprise Management Services Co.,Ltd.
  • 16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
  • https://www.excavator-engineparts.com/

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