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dell orto slide mod?

Joined Nov 2001
17K Posts | 773+
Ely, England
many years ago whilst road racing i moved to mikuni after 10 years of dell orto (they were out of date even then!) after i'd moved on i heard about a mod to the back of the slide cutaway? coronaberg told me that he had tried various carbs and had found the carb containing a slide with a small square missing from the back face was the best carb of all.

i believe the old mikuni's had a 'hacksaw' width type slot in the back of theirs also.

anyone know about this and has pictures?

regards

Taffy
 
A few years ago i watched the mechanic of Danny Theybers (the second Hsb rider besides J.Smets) when he drilled a 4mm hole into the valve-side of the slide of the old Dellorto. It was abot 5mm off the bottom of the slide.

We asked and he replied that this defends the hesitation of the engine on hard landings.

Juergen #34
 

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