Description
Overview:
The Villiers MK12/C12 Flywheel Bolt & Washer is a replacement fastening set for securing the flywheel to the crankshaft on classic Villiers petrol engines, including the MK12 and C12. Manufactured from durable steel, the bolt and matching washer provide the correct clamping force to hold the flywheel firmly in place, helping to maintain ignition timing and smooth engine operation. This is unused old stock, so it retains original specification and fit, though light tarnishing from storage may be present. Suitable for service work and restorations, it is a simple, reliable solution when refitting a flywheel after magneto or seal maintenance. Often referenced under Villiers part numbers 31595 and 31596, it supports long-term engine reliability when installed to specification.
Key Features:
- Correct fit for Villiers MK12 and C12 engines, matching original dimensions and thread
- Includes bolt and washer for a complete, secure flywheel clamping solution
- Robust steel construction for dependable service life
- Helps prevent flywheel movement, slippage, and key damage under load
- Unused old stock (NOS) retaining original Villiers manufacturing quality
- Suitable for routine servicing, rebuilds, and heritage engine restorations
- Straightforward installation with standard hand tools (e.g. spanner)
- Supports stable ignition timing by keeping the flywheel firmly seated
- Practical replacement for worn, stretched, or corroded original fasteners
Typical Applications:
Used when refitting or replacing a flywheel during maintenance such as magneto/points service, crank seal replacement, or full engine rebuilds. Common on machinery powered by Villiers MK12/C12 engines, including lawn mowers, rotavators, generators, water pumps, and small construction plant like mixers. Ideal for keeping classic equipment running reliably.
Also known as:
Flywheel retaining bolt and washer, crankshaft flywheel bolt set, engine fastener set, fixing bolt and washer, flywheel securing bolt, hold-down bolt and plain washer, retention hardware for flywheel.
Fits Models:
MK12, C12
