RD Vespa Carburettor Idle Jet (SI 20.15 - 26.26D/H/E
The choice of idle jets primarily effects the lower to mid rev range. The jets are marked with two numbers, e.g. 55/160. Smaller the number larger the jet, and/or bigger the calculated ratio. With the adjustment of the smaller size leaner the scooter will run at moderate revs.
Comparison No. 0989204 02 (DELLORTO)
RD Vespa Carburettor Idle Jet (SI 20.15 - 26.26D/H/E
The choice of idle jets primarily effects the lower to mid rev range. The jets are marked with two numbers, e.g. 55/160. Smaller the number larger the jet, and/or bigger the calculated ratio. With the adjustment of the smaller size leaner the scooter will run at moderate revs.
Comparison No. 0989204 02 (DELLORTO)