Yuu

micro... it won't cost much to build a throttle ring for the throttle on a SureStart. One way is to use 1/2" ID copper water pipe, cut 1/2" or so long to fit over the lower part of the cylinder, saw a vertical slot in it to adjust the size, add an 'arm' for the throttle wire. The turning of the sleeve and slot opens and closes the exhaust port area, and it acts like a throttle. Dickiebird wrote a thread on it. Another way is to get a thin, brass "T" from the auto parts house [$2] and make a 'trombone' slide to control the intake air... there's a thread here on that too. Do a search for throttle....