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Sold 1966 Suzuki T20 250

1966 Suzuki T20 250




First released in 1965, the T20 moved Suzuki's two stroke offerings from commuter firmly into the sports bike arena.

Sure, it was only a 250cc, but being a two stroke meant it had plenty of 'snap-on' acceleration that could propel the double cradle-framed roadster to a top speed of over 150km/h.

This model soon came to be appreciated by enthusiasts the world over and apocryphal tales have suggested the T20's performance was so good, that it was responsible for dropping the capacity limit for learner bikes in the UK from 250cc to 125cc.


  • This Suzuki T20 is a two stroke, twin cylinder engine and six speed gearbox.
  • It was first manufactured in 1965 (but introduced as a 1966 model) and was produced until the end of the 1968 model year. Production peaked at more than 5000 units per month.
  • In the UK the T20 was called the 'Super Six' (which refers to the motorcycle's very unusual six speed transmission, since most motorcycles had only four speeds or, rarely, five speeds) in that era. In the USA the bike was designated the X6 with the advertising department tacking on the "Hustler" name.
  • The T20 is equipped with a 247 cc. Simple two-stroke designs combined oil and gas together (a solution known as pre-mix) before filling the fuel tank. However, in an advanced system like the T20, which was expected to operate for longer periods at higher RPMs, this would have been unsuitable. An excess amount of oil would be burned using pre-mix under these conditions, resulting in reduced performance and dirtier emissions, which in turn would cause the exhaust system to become laden with deposits, further reducing performance. The T20 solved this problem by incorporating a once-through oil injection system known as Posi-Force, which consists of an engine-driven oil pump coupled to the throttle, which is designed to provide the proper amount of oil needed at the current RPM and throttle opening. Posi Force was renamed CCI (Crankcase-Cylinder-Injection) in the early 1970s and was used until the end of two stroke street bike production in the late 1990s.
  • This NZ New bike was restored in 2017 and is in exceptional order.

The T20 enjoyed some genuine racing success, too, especially in the UK. In the Production class at the 1967 Isle of Man TT, Aussie riders Barry Smith and Kel Carruthers finished third and fifth respectively. A number of impressive performances in circuit and endurance events throughout Europe followed.

As the T20s offered more performance than the T10s, they are generally considered more collectable. Also, as with a lot of early Japanese bikes, the styling that was so "weird" when new now has a quirky retro appeal that is growing amongst enthusiasts.

Will be sold with a fresh WOF and registration.



Viewing is BY APPOINTMENT only.

This vehicle has been sold

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At Waimak Classic Cars, our principal interest is to ensure the preservation of classic and vintage vehicles. Please remember that our vehicles are many years old, often with further previous owners. Many have been bought by us recently. We cannot know exactly what repairs or maintenance has been done although we do our best to obtain log books and copies of invoices of work done, when, and by whom.

Our descriptions are based on our own observations and knowledge and we look for the best examples we can find. Indicated mileages are based on the records showing with NZTA and / or the vehicle’s odometer reading. Because of the age of the vehicle, this can never be guaranteed. Our inspections are generally non-invasive. Our description is based on a visual inspection and on information supplied to us by third parties.

Any sale is on the condition that the purchaser relies on his/her own judgment and does not rely on our skill or judgment or on any representation made by us. This applies even if the Buyer has not inspected the vehicle before purchase. We strongly recommend that you have the vehicle inspected by an independent assessor qualified to comment on the particular vehicle’s condition. If you are unable to organise this, then this can be organised on your behalf, at your cost.

We are proud of our reputation. However, no older vehicle can be expected to be as reliable as a new one and so all our vehicles are sold on an as is where is basis. Mechanical breakdowns, electronic failures at inconvenient times and maintenance costs are part and parcel of the ownership of classic and vintage vehicles. Reliability is a combination of the particular vehicle, how it has been driven and maintained, and luck.

For more information about this vehicle, please contact us Monday to Friday between 9:00am and 6:00pm (New Zealand Standard Time) on +64 (0) 3 310-6485 / +64 (0) 274 990-020. Alternatively, you may email us at info@waimakclassiccars.co.nz anytime.

PLEASE NOTE: As Waimak Classic Cars is NOT a car yard dealer type of operation, we do not operate through fixed opening hours. Viewing is therefore STRICTLY BY APPOINTMENT ONLY and A FEW DAYS NOTICE is always appreciated, as it is seldom possible for us to accommodate viewing on the same day of inquiry