barfy Posted November 3, 2005 Report Share Posted November 3, 2005 I've noticed that in the ACU Classic trials that they are using the new Scorpa air-cooled 125s and this lead me to thinking. I noticed that the bore on the Montesa RT4 and XR250 are the same. Therefore, could I use an air-cooled RT4 with an XR250 head in the ACU classic series? The engineering isn't a problem and I haven Quote Link to comment Share on other sites More sharing options...
the artist formerly known as ish Posted November 3, 2005 Report Share Posted November 3, 2005 why Quote Link to comment Share on other sites More sharing options...
gasgaspunkuk Posted November 3, 2005 Report Share Posted November 3, 2005 I did't know the 4rt's we're air cooled. Or are we on about something different? Quote Link to comment Share on other sites More sharing options...
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