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==Legislative boost==
==Legislative boost==
In 1960 the law{{where}} was changed restricting learner motorcyclists to a maximum of 250cc and the Tiger Cub became one of the most popular ways of getting onto two wheels.{{cn|date=January 2014}}
In 1960 the law{{where|date=January 2014}} was changed restricting learner motorcyclists to a maximum of 250cc and the Tiger Cub became one of the most popular ways of getting onto two wheels.{{cn|date=January 2014}}


==References==
==References==

Revision as of 23:12, 24 January 2014

Triumph Tiger Cub
ManufacturerTriumph
Production1954-1956
1957-1968
Engine199cc single cylinder OHV four stroke
Power10-14 bhp @ 6500rpm
Transmission4-speed gearbox to chain drive

The Triumph Tiger Cub was a 200 cc single-cylinder British motorcycle made by Triumph Motorcycles at their Meriden factory. Designed by Edward Turner and launched at the Earls Court show in November 1953, the Tiger Cub competed well against the other small capacity motorcycles of the time such as Villiers two-strokes.

Development

The first Tiger Cub was derived from the 150 cc T15 Triumph Terrier (1954-1956)[1] with the same frame and forks.

The earlier Cub (1954-1956) had a plunger rear suspension frame and the ignition points in a 'distributor' on the crankcase behind the cylinder, whereas from 1957 this was updated with a more-modern pattern of rear swinging-arm with twin suspension units. A later development was to site the points at a more conventional location on the end of the camshaft, accessed via a chrome cover as can be seen in the image.

In 1957 an off-road version the T20C was produced with high level exhaust and improved suspension.

The last model made was the T20B Super Cub, which was a D10 Bantam with a Cub engine. Launched in November 1962, it was discontinued in 1968.[2]

Unloved design features

The top frame tube of the Tiger Cub was lower than normal, leaving the headstock poorly supported. Some rigidity was recovered by internal bracing of the petrol tank. A plain bearing on the timing side main bearing sometimes wore rapidly.[3] The primary chain ran in a shallow oil-bath but if the level dropped, the chain could suffer lubrication failure and stretch. The chain was not tensioned - and even worse, the primary chain case on early models was a slightly 'waisted' shape. A worn chain could strike both the inside of the cover and the crankcase itself, making the oil-level even more difficult to maintain in the future. Another common complaint was that the Cub would travel at highway speed (~50mph) for 1/2 hour and then stop unexpectedly. Some attributed this to overheating, but a cure was never found.[4]

Legislative boost

In 1960 the law[where?] was changed restricting learner motorcyclists to a maximum of 250cc and the Tiger Cub became one of the most popular ways of getting onto two wheels.[citation needed]

References

  1. ^ Motor Cycle Data Book, Newnes, 1960. p.80, p.154
  2. ^ Kemp, Andrew (2004). Classic British Bikes. Mirco. Bookmart Ltd. ISBN 1-86147-136-X. {{cite book}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)
  3. ^ Estall, Mike. The Triumph Tiger Cub Bible. Veloce Publishing. ISBN 978-1-904788-09-6.
  4. ^ Estall, Mike. The Triumph Tiger Cub Bible. Veloce Publishing. p. 110. ISBN 978-1-904788-09-6.

External links