Motorcycle Tubes, Valves and Repaired Tyres

Motorcycle Tubes

Ensure that the correct size and type is fitted and that the valve stem tightly fits the hole in the rim. Always use a new tube when fitting a replacement tube-type tyre. Tubes that are stretched, thinned or excessively repaired may deflate without warning and should not be re-fitted.

Tubes must always be used with tyres fitted to wire-spoked wheels, except for those wire-spoked rims specifically designed for tubeless tyres. A rim band or a rim tape of the correct type must be fitted to protect the tube from spoke head damage.

Inner tubes of the correct size may only be used with tubeless tyres if correctly fitted and approved by the individual tyre manufacturer. It must, however, be emphasised that the result of fitting tubes in tubeless tyres is that, in the event of a puncture, the assembly will behave in exactly the same way as a tube-type tyre and tube assembly, i.e. it is likely to lose pressure more rapidly than a tubeless tyre assembly.

Tyres that are marked ‘Tube Type’ or are not marked ‘Tubeless’ must be fitted with an inner tube.

Motorcycle Tyre Repairs

We do not recommend repairs to any radial motorcycle tyres.  Repairs to other motorcycle tyres and tubes must be carried out in accordance with the current British Standard AU 159, or other local regulations of a higher standard if not in the UK, and should, therefore, be entrusted to a specialist.

All punctured or damaged tyres must be removed from the wheel for internal and external examination to ensure there is no hidden damage which would cause a later failure.

In order to avoid such a hazard, neither externally applied plug tyre repairs nor liquid sealants are recommended and tyre manufacturers cannot be responsible for problems resulting from use.

Motorcycle Valves

A new valve should be fitted when replacing tubeless tyres. When checking or adjusting inflation pressure always ensure that the valve is not leaking.

The fitment of a valve core with a steel spring is necessary for high-speed usage. Particular care must be taken to ensure that the valve is the correct size and type for the rim.

When a tube is fitted and the rim valve hole is designed for a rubber snap-in tubeless valve, it will be necessary to fit an adapter collar or skirted lock nut to ensure correct valve location. Always fit a valve cap, preferably of the sealing type.

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