Dellorto Karts U.S.
Introduction
This site provides:
- Model description
- Graphic images of carburetor detail
- Part number reference
- Jetting selection
- Carburetor design principles
- Tuning guide
- Model usage chart
- Dellorto reference guide
- Weather and jetting software products
The fixed jet carburetor requires manual adjustment
as track and weather conditions change. Knowing
design features, the principles and some basic
technology can help even the non-technical karter
make minor tuning adjustments that can improve
performance.
The layout of the site is designed to allow the reader to:
- Find the correct model
- Review the jetting components
- Review tuning tips
- Find correct spare/replacement parts
- Understand the basics of isolating a
carburetor/jetting problem
The site provides reference material that will
help karter understand the tuning systems. The
material indicates which components control air
and which control fuel. It describes the how
the systems relate to each other. It describes
the function of each of the parts. It provides
the mathematical formula for determining main
jet/atomizer/needle fuel flow.