The very first ATC70, identified as a 1973 model but probably produced from mid 72 onward. Distinguishing Features: Orange body colour, Silver coloured forks, 5 hole rear cover plate, Flame design tank decal, angled exhaust silencer, 2 rib foot guards. 7 digit engine number, first two digits 10.ie ATC70E-1000001~

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2nd model of the series, production commenced in late 1973 and continued throughout 1974. Leftover stock sold through 75. Similar in design to its predecessor. Distinguishing Features: Red body colour, Red forks, 4 hole rear cover, straight exhaust silencer, 3 rib foot guards. 7 digit engine number, first two digits 11, ie ATC70E-1100001~first two digits 11, ie ATC70E-1100001~

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After a long absence the ATC70 returns, why did they stop production of this hot seller for 4 years, who knows. The new design is similar to the ATC90 with one piece rear fender/seat assy, non-laminated steel frame, exhaust system relocated to outside of frame. Outboard brakes meant easier brake servicing. A new improved chain tensioner did away with a splined shaft that was prone to stripping. All in all a nice package with some good improvements.

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Second model of the new generation. Very few changes from previous model, slight engine and frame revisions, rocker arm clutch components, transmission parts, brake cam, starter handle. Visible changes restricted to decals. K~ model identification dispensed with (Note: code for this model "Z".)

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New Model identification begins, if you can count to ten you can figure it out 0=A, 1=B, 2=C and so on. Little or no change from the previous model apart from decal differences and revised camshaft and cam chain tensioner. New engine number sequence derived from Trail Bike models.

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1981 models changed very little from previous years, basically a decal change to differentiate from earlier models. Paint changes from Light Scarlet to Passion Red although to look at it appears the same colour. Gearshift drum revision, basically the same bike as before.

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1982 models saw the introduction of a 4-speed transmission a welcome revision as the three speed tranny left a lot to be desired. Generally but not always a 4-speed engine could be identified as having 8mm case screws as opposed to previous "Phillips head " screws.

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Some changes since previous model, cylinder head revision, countershaft, low and second gear revision, throttle cable securing band and guide added, handle bar revision, handle bar mounts get plastic cover, fuel tank revision, exhaust system revision

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Very little difference from previous model. Hand brake lever revision, exhaust heat shield changes. Tank decal is same design only colours are dark blue and light blue. Seat loses its "Quilted" design in favour of plain vinyl.

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85 sees end of production for the ATC70 to make way for its 4-wheeled cousin the TRX70. Minor changes limited to decal changes and seat gets new blue colouring. "70" stenciled on seat. revision to cam chain tensioner. Shift pattern changes from all down to all up!

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