Home Forums Tech Talk Dellorto VHSH30.. Need Help Reply To: Dellorto VHSH30.. Need Help


Steve Libretto

Hello Steve,

Check your pilots for a clogged jet. Check your float heights. Check the internal fuel filter.

Also, before you go on a wild goose chase for jetting, what RPM”s does this problem start to happen?


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When you say pilots, what exactly am I checking? I know nothing about these carbs at all. Same for float heights…. What should they be, and how do you check/adjust them. Is there something I can read to learn about the carb in general….

As far as what the RPMs were when this would happen, I’m really not sure exactly, but it was definitely in the power band…. It wasn’t as if I was getting a Slow or sluggish response, it was literally as if there was no ignition of fuel, until about a second after my foot had been on the throttle.