mi spiace,ma credo che ti sbagli.
questo e' un estratto della storia del TZ proveniente da www.tz250racing.com
The 1999 model year brought no changes to the TZ, these would have to wait a year.
2000 was the year that the TZ finally abandoned it's old TZR-based engine cases in favor of a fresh new design. The new cases were sand-cast, with many riders experiencing much shorter case life. The 2000 crank was changed to a square 54x54mm configuration, with corresponding changes to the cylinders, heads, pistons, ignition, and pipes. The body work was identical to the 98/99 models, while the frame, being outwardly similar, was infact modified to take advantage of the smaller crankcase. The radiator was identical to earlier the 1996+ models, with new hose routing. The temperature and RPM gauges were combined into a single unit, and the old bourdon tube water temperature sensor was replaced with an electronic pickup. A radial master cylinder was fitted, although the 4-pot Nissin calipers were identical to the 1989+ bikes.
questo e' la moto in versione 1999...
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...e questa e' la versione dal 2000 in poi,in cui si distingue chiaramente la minor dimensione del carter...
questo e' un estratto della storia del TZ proveniente da www.tz250racing.com
The 1999 model year brought no changes to the TZ, these would have to wait a year.
2000 was the year that the TZ finally abandoned it's old TZR-based engine cases in favor of a fresh new design. The new cases were sand-cast, with many riders experiencing much shorter case life. The 2000 crank was changed to a square 54x54mm configuration, with corresponding changes to the cylinders, heads, pistons, ignition, and pipes. The body work was identical to the 98/99 models, while the frame, being outwardly similar, was infact modified to take advantage of the smaller crankcase. The radiator was identical to earlier the 1996+ models, with new hose routing. The temperature and RPM gauges were combined into a single unit, and the old bourdon tube water temperature sensor was replaced with an electronic pickup. A radial master cylinder was fitted, although the 4-pot Nissin calipers were identical to the 1989+ bikes.
questo e' la moto in versione 1999...

...e questa e' la versione dal 2000 in poi,in cui si distingue chiaramente la minor dimensione del carter...

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