Description
Overview:
This Butterfly Choke Valve is a genuine Villiers OEM component (part no. V1246E) for the B10 carburettor used on MK10 and MK12 single-cylinder engines. It is a round metal butterfly plate with a machined slot for the choke spindle and two fixing holes, engineered to regulate intake air during starting and warm-up. Correct choke operation enriches the mixture for easier cold starts and cleaner pick-up, helping the engine settle quickly to a stable idle. Supplied as vintage new old stock, the part is unused but may show light storage tarnish that does not affect function. Designed specifically for the B10 carb, it preserves original geometry and clearances for reliable sealing and smooth movement in classic Villiers-powered equipment found across garden, horticultural and light construction machinery.
Key Features:
- Genuine Villiers OEM part for B10 carburettor (V1246E)
- Direct fit for MK10 and MK12 with correct spindle slot and hole spacing
- Robust metal butterfly plate for long service life
- Accurate choke aperture for reliable cold starts and smooth warm-up
- Reuses original spindle and screws; no modifications required
- Vintage new old stock; any light tarnish is cosmetic only
- Restores proper air-fuel control, improving starting and idle stability
- Suitable for rebuilds, overhauls, and preventative maintenance
Typical Applications:
Servicing and restoration of Villiers-powered stationary engines in small construction and garden machinery. Used to replace worn, bent, or missing choke plates, or to resolve hard starting, flooding on choke, and inconsistent cold running on MK10 and MK12 engines with B10 carburettors.
Also known as:
Choke plate, choke disc, carburettor choke plate, air shutter, choke flap, carb choke butterfly.
Fits Models:
MK10, MK12
Alternate Part Numbers:
V1246E
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