Villiers general specification Sheets MK 20 and 25 RG

The Villiers general specification Sheets MK 20 and 25 RG are comprehensive technical documents that provide detailed information on the Villiers MK 20 and MK 25 RG single-cylinder, two-stroke engines. These versatile engines were widely used in a variety of applications, including motorcycles, mopeds, generators, and industrial equipment.

The MK 20 engine has a displacement of 197 cc (12.0 cu in), while the MK 25 RG engine has a displacement of 247 cc (15.1 cu in). Both engines feature a bore and stroke of 66.0 mm (2.60 in) and 64.0 mm (2.52 in), respectively. The MK 20 engine has a compression ratio of 6.5:1, while the MK 25 RG engine has a compression ratio of 7.0:1.

The MK 20 and MK 25 RG engines are air-cooled and employ a rotary valve induction system. They are equipped with a centrifugal clutch and a two-speed gearbox. The MK 20 engine has a maximum power output of 8.0 bhp (6.0 kW) at 5,000 rpm, while the MK 25 RG engine has a maximum power output of 10.0 bhp (7.5 kW) at 5,500 rpm.

The Villiers general specification Sheets MK 20 and 25 RG provide a wealth of technical information on these engines, including detailed specifications, performance data, and maintenance instructions. They are an invaluable resource for anyone who owns or operates a Villiers MK 20 or MK 25 RG engine.

Here are some of the key features of the Villiers MK 20 and MK 25 RG engines:

• Single-cylinder, two-stroke design
• Air-cooled
• Rotary valve induction system
• Centrifugal clutch
• Two-speed gearbox
• Maximum power output of 8.0 bhp (6.0 kW) at 5,000 rpm for the MK 20 engine
• Maximum power output of 10.0 bhp (7.5 kW) at 5,500 rpm for the MK 25 RG engine

Villiers general specification Sheets MK 20 and 25 RG

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