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Thornycroft 90

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Thornycroft 90

Thornycroft 90 & Thornycroft 90/2 engine spares

The Thornycroft 90 is a 4 cylinder, 4 stroke, vertical, inline 1.489L diesel engine. Based on the BMC1.5 B series engine block, Thornycroft marinised this in two versions. The Thornycroft 90 was heat exchanger cooled, and can be found in Yachts such as Moody, as well as small motor cruisers. The Thornycroft 90E was keel cooled for Inland Canal use.

From the MS-02-90 Thornycroft 90 leaflet, ratings are as follows:

1500RPM 13.5BHP 3LPH, 2000RPM 20BHP 4.15LPH, 2500RPM 25.5BHP 5.55LPH, 3000RPM 30BHP 6.8LPH

The Type 90 engine was one of the most successful and therefore popular small marine engines. It was marinised for 25+ years, and appeared in various forms, from the early MKI with cast iron components, to the last 90/2 version with combined heat exchanger and much needed lip type rear oil seal.

This is a listing of items that have been fitted to Thornycroft 90 engines throughout production, including: air, fuel and oil filters, drive / damper plates, engine timing components, engine valve train components, fuel injection components, gaskets & seals, glow plugs & spark plugs, heat exchangers & spares, hoses, internal engine components, pumps & spares, and thermostats & housings. We hope this page will help you; if you do not see what you are looking for, please contact us. We may be able to help.

The inclusion of items on this page does not infer that these items are genuine Thornycroft spares. Please check carefully the suitability of the item for your own application.

Gasket sets listed do not contain gaskets for marinisation components.

Requests for Thornycroft spares should always be accompanied by the engine number / build list.

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