NVT inherited four motorcycle factories—Small Heath (ex-BSA); Andover and Wolverhampton (Norton); and Meriden (Triumph). Chairman Dennis Poore intended to move all motorcycle production to Small Heath and Wolverhampton. Although Meriden was the most modern, its workers were the most militant and had the worst productivity of the four. Poore had plans to sell the Meriden site to Jaguar. In September 1973 Poore met with union representatives at Meriden and informed them that the factory was to be closed in the next few months and all 1,700 workers made redundant. In response, the workers occupied the factory and refused to allow any plant, components or completed motorcycles to leave the factory.
Still short of development cash, the company was restricted to launching developments of existing products, most notably around the popular Norton Commando. With its classical parallel twin probably by now overdeveloped, from March 1973 the Roadster, Hi Rider, and the Interstate all began to use a new 828 cc engine. Later NVT also produced the Easy Rider moped including a "sixteener" version with pedals and the NVT rambler 125/175 cc. This had a Yamaha engine housed in a British monoshock frame. Instruments were from Yamaha and forks, brakes and wheel parts from three Italian manufacturers. The Rambler later became the BSA Tracker. What money there was for development now had to be focused on one engine development. Deciding that the Japanese had taken the market a step forward, NVT were looking for a competitive edge, and had two products that could be developed, both from the BSA side of the company:
The 500 cc twin, stepped-piston engine, with a monocoque pressed-steel frame, named internally the Wulf
A rotary Wankel engine
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Concluding that the commuter market was dying, NVT chose the Wankel, and as Peter Williams won the 1973 Formula 750 Isle of Man T.T. and Mick Grant came second for the Norton Racing team that year, the decision was to put the new engine in a new Norton motorcycle. However, the infrastructure of the old Norton company was itself being closed down, as the Andover factory closed after a sit-in. This coincided with the Conservative government of Ted Heath losing power, and in the light of the Three-Day Week the subsidy was withdrawn from June 1974 under the new Labour Government of Harold Wilson.
NVT continued with a programme of works closures, deciding to concentrate production on Wolverhampton and Small Heath. Poorly handled in communications, the announcement caused a sit-in at Meriden which, as it produced parts for other factories, caused Small Heath to shut down. With the election of the 1974 Labour government, the Meriden workers' co-operative was formed with NVT its sole customer for its production of 750 cc Triumph Bonneville T140V and Triumph Tiger TR7V models. Forced by American legislation to move all brake controls to the right-hand side of the bike, the standard used by most other manufacturers, including the Japanese. The foot-brake lever on British motorcycles was positioned on the left-hand side as it was to this side that sidecars were affixed. The brake pedal on the sidecar was then positioned alongside the brake pedal of the motorcycle allowing braking of both motorcycle and sidecar with one foot. The company reduced its range to five models: two Norton Commandos (the Mk.3 Interstate and the Roadster), the Triumph Bonneville T140V, the Triumph Tiger TR7RV and the Triumph Trident T160V. Both Nortons and the T160 were improved by the fitting of an electric starter, a rear disc brake and the left side gear change/right foot brake. The Bonneville got its own electric start in 1980 when marketed by the Meriden workers' co-operative itself. Unlike other motorcycles of this era, the kickstart lever was retained and the electric starter on Nortons was more properly referred to as an electric assister.