High-Performance Carburetor Air Cut-off Valve Diaphragm for Kawasaki KLR250 & Vulcan 800
Overview
Ensure smooth engine deceleration and eliminate backfiring with our premium-grade Carburetor Air Cut-off Valve Diaphragm. Precision-engineered as a direct OEM replacement, this diaphragm is specifically designed to fit classic Kawasaki KLR250 (1978-1981) and Vulcan 800 (1995-2000) models. Manufactured using high-tensile, fuel-resistant elastomer compounds, it guarantees long-lasting flexibility and airtight sealing under extreme thermal conditions.
As a leading motorcycle carburetor parts manufacturer based in China, we supply global repair shops, distributors, and e-commerce sellers (Amazon, eBay, AliExpress) with reliable, retail-ready components that match or exceed OEM standards.
Key Features & Advantages for B2B Buyers
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Premium Material & Durability: Molded from specialized fuel-resistant rubber and high-strength fabric reinforcement to prevent cracking, stiffness, and premature failure caused by modern ethanol-blended fuels.
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Exact OEM Fitment: Engineered to precise factory dimensions for a hassle-free installation, ensuring accurate vacuum response during deceleration.
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E-Commerce & Retail Ready: Uniformly manufactured for consistent quality control, making it ideal for bundling into carburetor rebuild kits or selling as standalone replacement parts.
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Factory-Direct Pricing: Boost your profit margins. We offer highly competitive wholesale rates, flexible Minimum Order Quantities (MOQs), and dependable bulk supply capacity for international shipping.
Specifications & Fitment List
| Parameter | Details |
| Product Name | Carburetor Air Cut-off Valve Diaphragm |
| Material | High-Quality Fuel-Resistant Rubber & Alloy / Brass |
| Application | Motorcycle Carburetor Maintenance & Repair |
| Target Market | Wholesalers, Distributors, Repair Shops, E-commerce Sellers |
| Origin | China (Factory Direct) |
Exact Fitment Applications
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Kawasaki KLR250:
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KLR250 (KLR250-A1) — 1978
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KLR250 (KLR250-A2) — 1979
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KLR250 (KLR250-A3) — 1980
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KLR250 (KLR250-A4) — 1981
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Kawasaki VULCAN 800:
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VULCAN 800 (VN800-A1) — 1995
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VULCAN 800 (VN800-A2) — 1996
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VULCAN 800 (VN800-A3) — 1997
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VULCAN 800 (VN800-A4) — 1998
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VULCAN 800 (VN800-A5) — 1999
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VULCAN 800 (VN800-A6) — 2000
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Grow Your Inventory with a Trusted Manufacturing Partner
Whether you run a high-volume motorcycle repair shop network or manage an automotive parts storefront online, our products provide the reliable quality your customers demand.





