Walbro D10-WB Diaphragm Kit – WB3A / WB3D
Quick Refresh. Reliable Sealing. Built for Race-Day Maintenance. The Walbro D10-WB kit is a compact diaphragm-only solution for WB-series carburetors used on Yamaha KT100S engines. Ideal for mid-season servicing or quick fixes, it restores fuel pump and metering performance without a full rebuild.
Kit Contents:
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✅ Pump Diaphragm – restores fuel draw
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✅ Metering Diaphragm – regulates fuel delivery
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✅ Gaskets – body and cover seals
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✅ Application – WB3A, WB3D carburetors
Compatibility:
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✅ Carb Models: Walbro WB3A, WB3D
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✅ Engine Fitment: Yamaha KT100S
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✅ Fuel Type: Petrol, E98, race blends
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✅ Use Case: Sprint, dirt, and endurance formats
💡 Always match diaphragm orientation and lever height to factory specs. Use with clean fuel and inline filter for best results.
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