Some rigidity was recovered by internal bracing of the petrol tank. He said he saw a large flame and became convinced the petrol tank would explode. The prototype's engine came back beneath the petrol tank. Some styling is reminiscent of the original Norton Commando, especially the engine and petrol tank. Initially UK SS90 models were distinguished by the chrome sides of the petrol tank. American variants had chrome sides to the petrol tank. Petrol Tank Graphics swooped up at the front. His engine was also damaged and the petrol tank set alight. The petrol tank can hold of unleaded petrol. The petrol tank capacity was also increased from . The model was launched with chrome mudguards and stays and a half-chrome petrol tank. Both variants had a steel petrol tank with a twist-off filler cap. A fuel tank (or petrol tank) is a safe container for flammable fluids. The CM125 had high handlebars, megaphone silencers, a teardrop-shaped petrol tank and a stepped seat. The petrol tank was repositioned to comply with US rear impact regulations.