Motor Parts

Yi-Chen Industrial is a Taiwan-based manufacturer specializing in custom forged aluminum motorcycle parts for the aftermarket industry. Our aluminum forging OEM service covers a wide range of components — including engine covers, sprocket carriers, gear pedals, clutch levers, and tachometer brackets — delivering precision blanks ready for machining and final assembly.

 

Forged aluminum motorcycle parts offer superior strength-to-weight ratio compared to cast alternatives, making them the material of choice for performance aftermarket brands. With 6061-T6, 6082-T6, and 7075-T6 alloy options, Yi-Chen tailors material selection to your application requirements — from lightweight chassis brackets to high-stress control components.

 

All production processes are tracked in real time via our in-house MES/ERP system, providing full traceability for every forging lot — a quality standard trusted by aftermarket businesses across North America, Europe, and Asia for 20+ years.

 

Our Motorcycle Forging Products

 

• Drive System — Engine Cover

Forged from 6463-T6 aluminum alloy. Engine cover blanks supplied ready for client machining and assembly. Yi-Chen refines forging blueprints provided by the client to optimize the forging process and ensure dimensional accuracy.

 

Alloy: 6463-T6 | Supply condition: Forged blank

 

• Drive System — Sprocket Carrier

High-strength 6082-T6 sprocket carrier blanks for motorcycle drive systems. Custom tooling developed from client 2D/3D drawings.

 

Alloy: 6082-T6 | Supply condition: Forged blank

 

• Control Parts — Gear Pedal

7075-T6 aluminum gear pedals for superior heat dissipation and lightweight performance. Available in 6061 and 7075 alloy grades to match strength and weight targets.

 

Alloy: 6061-T6 / 7075-T6 | Supply condition: Forged blank

 

• Brake System — Brake Levers & Clutch Levers

6061-T6 forged brake and clutch lever blanks. Delivered to client's dimensional specification, ready for CNC finishing and anodizing.

 

Alloy: 6061-T6 | Supply condition: Forged blank

 

• Motor Parts — Tachometer Bracket

6061-T6 tachometer bracket forgings. Customized geometry from client forging blueprint, ready for subsequent machining and assembly.

 

Alloy: 6061-T6 | Supply condition: Forged blank

 

Aluminum Brake Caliper Forging

 

Looking for an aluminum brake caliper supplier? Yi-Chen also manufactures forged caliper blanks and brake system components for custom and aftermarket brake applications. Our caliper forgings are produced to tight dimensional tolerances, ready for CNC machining to your final specification.

 

Caliper alloy options: 6061, 6066, 6082 — selected based on structural requirements and surface finishing compatibility.

 

Submit your brake caliper drawings for a quote →

 

Why Choose Forged Aluminum for Motorcycle Parts?

 

PropertyForged AluminumCast Aluminum
Grain structureContinuous, alignedRandom, interrupted
Strength-to-weightHighModerate
Fatigue resistanceExcellentLimited
Dimensional precisionTight tolerancesWider variance
Surface finish qualityConsistentVariable

 

Forging aligns the aluminum grain structure with the part geometry, producing components that resist fatigue cracking under cyclic loading — critical for motorcycle brake systems, gear mechanisms, and drive components.

 

About YC Forge

 

YC Forge (義晟工業) is a dedicated aluminum alloy forging manufacturer based in Taichung, Taiwan. Core in-house processes are forging forming and sandblasting/packaging. The factory holds ISO 9001:2015 certification. Heat treatment, CNC machining, and anodizing are executed by long-term dedicated subcontractors. Primary customers include motorcycle, automotive, bicycle, and aftermarket parts businesses. MES/QMS systems ensure complete batch process data traceability and lot-level quality management. 20+ years of forging experience.

 

Taiwan-made precision · MES quality traceability · Aftermarket-focused forging partner

 

Frequently Asked Questions

 

Q: What aluminum alloys do you use for motorcycle forging?

We primarily work with 6061-T6, 6082-T6, and 7075-T6 depending on the application. 7075 is recommended for high-stress parts like gear pedals; 6061 and 6082 suit engine covers and structural brackets.

 

Q: Can you produce forging blanks from my 2D or 3D drawings?

Yes. Send us your drawings and our engineering team will assess feasibility, advise on alloy selection, and provide a tooling and production quote.

 

Q: What is the difference between hot forging and cold forging for motorcycle parts?

Hot forging is used for complex geometries and larger parts such as engine covers and sprocket carriers. Cold forging suits smaller, high-precision components requiring tighter tolerances. We recommend the optimal process based on part geometry and production volume.

 

Q: Do you provide MES quality traceability?

Yes. Our in-house MES system records every production step — from raw material intake to finished blank — so you receive full lot traceability documentation with each shipment.

 

Q: What is your supply condition — blanks or finished parts?

We supply precision forged blanks ready for CNC machining. Heat treatment, CNC finishing, and surface treatment (anodizing, sandblasting) are coordinated through our audited partner network.

 

Contact us to discuss your motorcycle forging requirements →

 

Engineering team will respond to your inquiry as soon as possible.

 

Drive System - Engine Cover

Yi-Chen Industrial manufactures forged aluminum motorcycle engine cover blanks for motorcycle drive system applications. Our engine covers are produced from 6061-T6 aluminum alloy — selected for its superior anodizing response and corrosion resistance compared to standard 6063, making it the preferred alloy for motorcycle covers where surface aesthetics and long-term finish quality are part of the product specification.

 

As a Taiwan-based motorcycle component forging supplier, we deliver forged blanks ready for CNC machining, supporting OEM manufacturers and aftermarket motorcycle brands that complete localized machining and finishing to their own specifications.

 

Product Overview

 

Forged Aluminum Motorcycle Engine Cover — 6061-T6

 

Motorcycle engine covers serve as protective housings for drive system components while being a visible exterior surface — requiring both structural integrity and a finish-ready surface for anodizing.

 

• Dense forged grain structure provides mechanical protection for enclosed drive components

• 6061-T6 delivers a bright, consistent anodized surface — an affordable aesthetic alternative to stainless steel where structural load is secondary

• Dimensional consistency supports accurate CNC machining of mounting features and sealing surfaces

 

Alloy: 6061-T6

Forging process: Aluminum forging

Supply condition: Forged blanks for secondary machining and finishing

Secondary processing: CNC machining, anodizing via partner network

Custom tooling: Available from 2D or 3D drawings

 

Why 6061-T6 for Engine Covers?

 

Property6061-T66063-T6
Anodizing responseExcellent — bright, clear finishGood
Surface aesthetics post-anodizeSuperior — near-mirror qualityStandard
Corrosion resistanceExcellentGood
MachinabilityGoodGood
Cost vs. stainless steelSignificantly lowerLower
Structural strengthModerate (suitable for covers)Moderate

 

6061-T6 is the preferred alloy for decorative motorcycle covers where a high-quality anodized finish is part of the end product specification. For structural load-bearing components, 6061 or 6082 would be recommended instead.

 

Applications

 

Our forged 6061-T6 engine cover blanks serve:

 

• Motorcycle OEM drive system component manufacturers

• Aftermarket motorcycle appearance and protection accessory brands

• Custom motorcycle builders requiring precision-fit engine covers

• EV motorcycle and e-moped powertrain cover programs

 

Custom Design Support

 

Yi-Chen evaluates custom engine cover geometries from customer-supplied drawings. For brand-specific cover designs, custom mounting configurations, or proprietary shapes, submit your 2D or 3D drawings for a forging feasibility assessment and tooling quote.

 

About YC Forge

 

YC Forge (義晟工業) is a dedicated aluminum alloy forging manufacturer based in Taichung, Taiwan. Core in-house processes are forging forming and sandblasting/packaging. The factory holds ISO 9001:2015 certification. Heat treatment, CNC machining, and anodizing are executed by long-term dedicated subcontractors. Primary customers include motorcycle component manufacturers, automotive aftermarket brands, and industrial hardware suppliers. MES/QMS systems ensure complete batch process data traceability and lot-level quality management. 20+ years of forging experience.

 

Frequently Asked Questions

 

Q: Why use 6061-T6 instead of 6063 for engine covers?

6061-T6 produces a brighter, more uniform anodized surface than 6063 — particularly important for engine covers where the anodized finish is part of the visible product aesthetic. Both alloys offer similar structural performance for cover applications.

 

Q: Do you supply forged blanks or finished covers?

We supply forged blanks ready for CNC machining of mounting holes, sealing grooves, and port features. Anodizing coordination is available through our partner network.

 

Q: Can you produce engine covers to custom designs?

Yes. Submit 2D or 3D drawings for your specific cover geometry and we will assess forging feasibility and provide a tooling quote.

 

Q: What is the typical lead time for custom tooling?

Lead time varies by tooling complexity. Contact us with your drawing and we will provide a tooling timeline alongside the feasibility assessment.

 

Q: What quality documentation comes with shipments?

Full lot traceability via our MES/ERP system, including material composition certificates and process records per shipment.

 

Contact us to discuss your engine cover forging requirements →

 

Engineering team will respond to your inquiry as soon as possible.

 

Drive System - Sprocket Carrier

 

Yi-Chen Industrial manufactures forged aluminum motorcycle sprocket carrier blanks for motorcycle drive system applications. Our sprocket carriers are produced from 6082-T6 aluminum alloy — a medium-to-high-strength alloy with excellent corrosion resistance and machinability, preferred for transmission components that transmit drivetrain torque under cyclic load conditions.

 

As a Taiwan-based motorcycle drive system forging supplier, we deliver forged blanks ready for CNC machining, supporting OEM manufacturers and performance aftermarket brands that complete localized machining and assembly to their specifications.

 

Product Overview

 

Forged Aluminum Sprocket Carrier — 6082-T6

 

The sprocket carrier transmits torque from the transmission output to the drive chain, enduring cyclic shock loads from chain engagement and drivetrain acceleration forces. Forged construction provides:

 

• Continuous grain structure aligned with the carrier geometry for fatigue resistance under chain-load cycling

• Near-zero internal porosity — critical for consistent CNC machining of sprocket bolt patterns and bearing seat features

• Dimensional lot-to-lot consistency supporting repeatable assembly

 

Alloy: 6082-T6

Forging process: Aluminum forging

Supply condition: Forged blanks for secondary CNC machining

Secondary processing: CNC machining, surface finishing via partner network

Custom tooling: Available from 2D or 3D drawings

 

Why 6082-T6 for Sprocket Carriers?

 

Property6082-T66061-T6
Tensile strengthHigher (~310 MPa)Good (~276 MPa)
Corrosion resistanceExcellentExcellent
MachinabilityGoodGood
Fatigue resistanceHigher — suited to cyclic drive loadsGood
WeldabilityGoodExcellent
ForgeabilityGoodExcellent

 

6082-T6 is preferred over 6061 for high-cycle drivetrain components where additional fatigue resistance provides a reliability margin under sustained chain-load cycling. For standard applications, 6061 remains a cost-effective alternative.

 

Applications

 

Our forged 6082-T6 sprocket carrier blanks serve:

 

• Motorcycle OEM drivetrain component manufacturers

• Aftermarket performance drivetrain brands (street and track)

• Motorcycle transmission system integrators

• Custom and competition motorcycle build programs

 

Custom Design Support

 

Yi-Chen evaluates custom sprocket carrier geometries from customer-supplied drawings. For non-standard bolt patterns, custom carrier dimensions, or brand-specific designs, submit your 2D or 3D drawings for a forging feasibility assessment and tooling quote.

 

About YC Forge

 

YC Forge (義晟工業) is a dedicated aluminum alloy forging manufacturer based in Taichung, Taiwan. Core in-house processes are forging forming and sandblasting/packaging. The factory holds ISO 9001:2015 certification. Heat treatment, CNC machining, and anodizing are executed by long-term dedicated subcontractors. Primary customers include motorcycle component manufacturers, automotive aftermarket brands, and industrial hardware suppliers. MES/QMS systems ensure complete batch process data traceability and lot-level quality management. 20+ years of forging experience.

 

Frequently Asked Questions

 

Q: Why is 6082-T6 used for sprocket carriers instead of 6061?

6082-T6 provides higher tensile and fatigue strength than 6061-T6, which is advantageous for drivetrain components that endure cyclic chain-load engagement. For standard applications where load cycles are moderate, 6061 is a cost-effective alternative.

 

Q: Do you supply finished sprocket carriers or forged blanks?

We supply forged blanks ready for CNC machining of sprocket bolt patterns, bearing seat features, and mounting interfaces. Customers complete machining in-house or through their own machining partners.

 

Q: Can you forge sprocket carriers to custom designs?

Yes. Submit 2D or 3D drawings for your specific carrier geometry and we will assess forging feasibility and provide a tooling and production quote.

 

Q: Do you support prototype runs before volume production?

Yes. We support first article production runs for customer dimensional validation before committing to volume production. Contact us to discuss your program timeline.

 

Q: What quality documentation is provided with shipments?

Full lot traceability via our MES/ERP system, including material composition certificates and process records per shipment.

 

Contact us to discuss your sprocket carrier forging requirements →

 

Engineering team will respond to your inquiry as soon as possible.

 

Control Parts - Gear Pedal

Yi-Chen Industrial manufactures forged aluminum motorcycle gear pedal blanks for motorcycle control system applications. Our gear pedals are produced from 6061-T6 and 7075-T6 aluminum alloys — with alloy selection matched to the application's load profile and performance requirements.

 

As a Taiwan-based motorcycle control parts forging supplier, we deliver forged blanks ready for CNC machining, supporting both standard OEM production programs and custom gear pedal designs from aftermarket performance brands.

 

Product Overview

 

Forged Aluminum Motorcycle Gear Pedal — 6061-T6 / 7075-T6

 

The gear shift pedal endures repeated impact loading from rider foot input and must maintain dimensional accuracy at the pivot and linkage interfaces across thousands of shift cycles. Forged construction provides:

 

• Continuous grain flow aligned with the pedal arm geometry — critical for fatigue resistance under cyclic impact loads

• Dense, porosity-free structure for reliable CNC machining of pivot bores and tip geometries

• Consistent alloy properties across production lots for repeatable performance

 

Alloy options: 6061-T6 (standard) | 7075-T6 (high-performance)

Forging process: Aluminum forging

Supply condition: Forged blanks for secondary CNC machining and finishing

Secondary processing: CNC machining, anodizing via partner network

Custom tooling: Available from 2D or 3D drawings

 

Alloy Selection Guide

 

ApplicationRecommended AlloyKey Advantage
Standard street motorcycles6061-T6Cost-effective, excellent machinability, reliable fatigue life
Performance and track motorcycles7075-T6Near-double tensile strength vs. 6061, maximum fatigue resistance
Aftermarket premium pedal programs7075-T6Superior strength-to-weight ratio, preferred for performance branding

 

7075-T6 has approximately twice the tensile strength of 6061-T6, making it the standard alloy for performance and motorsport gear pedal applications where weight savings and structural margin are both required.

 

Applications

 

Our forged gear pedal blanks serve:

 

• Motorcycle OEM control system component manufacturers

• Aftermarket performance pedal and footpeg brands

• Custom motorcycle builders requiring precision-machined shift interfaces

• Track and competition motorcycle programs

 

Custom Design Support

 

Yi-Chen evaluates custom gear pedal geometries from customer-supplied drawings. For non-standard pivot configurations, folding tip designs, or brand-specific pedal shapes, submit your 2D or 3D drawings for a forging feasibility assessment and tooling quote.

 

About YC Forge

 

YC Forge (義晟工業) is a dedicated aluminum alloy forging manufacturer based in Taichung, Taiwan. Core in-house processes are forging forming and sandblasting/packaging. The factory holds ISO 9001:2015 certification. Heat treatment, CNC machining, and anodizing are executed by long-term dedicated subcontractors. Primary customers include motorcycle component manufacturers, automotive aftermarket brands, and industrial hardware suppliers. MES/QMS systems ensure complete batch process data traceability and lot-level quality management. 20+ years of forging experience.

 

Frequently Asked Questions

 

Q: What alloy do you recommend for high-performance gear pedals?

7075-T6 is recommended for performance and track applications. It provides approximately twice the tensile strength of 6061-T6, which is the critical property for pedals subject to high-impact shift inputs and repeated fatigue loading. 6061-T6 is cost-effective for standard street applications.

 

Q: Do you supply finished gear pedals or forged blanks?

We supply forged blanks. Customers complete CNC machining of pivot bores, tip geometry, and surface features in-house or through their own machining partners. Anodizing coordination is available through our partner network.

 

Q: Can you forge gear pedals to custom designs?

Yes. Submit 2D or 3D drawings for your specific pedal design and our engineering team will assess forging feasibility, advise on blank geometry, and provide a tooling quote.

 

Q: What is the key difference between 6061 and 7075 for this application?

7075 aluminum contains significantly higher zinc content, producing a much harder alloy with approximately double the tensile strength of 6061. For gear pedals, this translates to greater fatigue life and structural margin under repeated impact loading — the difference is material for track and competition use cases.

 

Q: What quality documentation is provided with shipments?

Full lot traceability via our MES/ERP system, including material composition certificates and process records per shipment.

 

Contact us to discuss your gear pedal forging requirements →

 

Engineering team will respond to your inquiry as soon as possible.

 

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